Firefighter Midterm
Which statement describes the staffing and funding of volunteer fire departments?
Continuously staffed and publicly funded
Not continuously staffed and funded by state and federal level grants
Continuously staffed and may rely on fundraisers for funding
Not continuously staffed and may rely on fundraisers for funding
What is the mission of the fire service?
Completely eliminate the occurrence of fires in residential structures
Save lives and protect property and the environment from fires and other hazardous situations
Employ the all-hazard approach to providing community protection
Protect personal and public property from fire and disrepair
Which type of specialized fire company generally has the primary duty of transporting patients to a hospital?
Hazardous materials company
Brush company
Rescue company
Emergency medical company
Which type of specialized fire company is assigned to a pumping apparatus and performs suppression duties at structure fires?
Brush company
Engine company
Ladder company
Rescue company
A(an) concept allows all responders to use a similar, coordinated approach with a common set of authorities, protections, and resources.
All hazard
Chain of command
Hazard enforcement
Incident awareness
On which National Fire Protection Association (NFPA) standard are the professional qualifications for Fire Fighter I based?
NFPA 1006
NFPA 1001
NFPA 1500
NFPA 1670
Multiple fire companies within a response area whose day-to-day functions are overseen by the operations division are called a(an):
Combination department
Squad
Battalion
Operations group
Most fire departments are organized in a series of levels, with the intermediate levels made up of personnel assigned by:
Age and name
Rank and duty
Years of experience
Geographical location
In the most common type of fire department organizational structure,:
Firefighters of all different ranks share equal decision-making authority
A fire department safety officer ranks above everyone else in the department
Decisions and information are passed from the base up through the intermediate levels to the fire chiefs
Decisions and information are directed from the fire chief down through the intermediate levels
What is the overall mission of the fire service?
Prevent arson fires by educating the public
Eliminate the use of unsafe building practices
Save lives and protect property and the environment
Provide low-cost emergency services to the public
Which organization or agency would assist the fire department with incident scene security, crowd control, and explosive disposal?
Disaster management agency
Law enforcement
Utility company
Media
Which group of fire department employees provides administrative and logistical support in areas such as finance, maintenance, and training?
Staff personnel
Career firefighters
Volunteer firefighters
Line personnel
Why did the National Fallen Firefighters Association develop the 16 Firefighter Life Safety Initiatives in 2004?
Provide the fire service with a blueprint for making changes
Eliminate public criticism of the fire service
Increase funding for new apparatus and equipment
Mandate changes that must be made in the fire service
Why is the division of labor necessary in the fire service?
Keep department expenses at a minimum
Ensure fair work loads for all members
Comply with federal law
Prevent the duplication of effort
What does it mean to practice situational awareness on the fireground?
Following the IC's orders without question
Creating strategic plan of attack for fire suppression
Being observant about hazards and changing conditions
Performing all duties to the best of your ability
A type of fire departmental organizational structure where decisions and information are directed from the top and filtered down through intermediate levels to the base can be described as:
scalar
Modular
Sequential
Linear
What must a fire department's health and safety program address?
Organization of personnel service and promotional records
All anticipated hazards to which members might be exposed
The most dangerous hazards to which members might be exposed
Documentation of new recruit skills training
Which duty is a Fire Fighter I expected to perform?
Forcing entry into a structure
Providing ropes and knots training to new recruits
Performing fire suppression activities at an airport
Overseeing personnel at an incident scene
Which statement describes the difference in the roles of a Fire Fighter I and a Firefighter II?
A Fire Fighter I can oversee a maximum of five personnel, but a Fire Fighter II can oversee any number of personnel.
A Fire Fighter I can only assume command at a structural fire scene, but a Fire Fighter II can assume command at any type of emergency incident.
A Fire Fighter I works under the direct supervision of a Fire Fighter II or company officer.
A Fire Fighter II works under the direct supervision of a Fire Fighter I or other Fire Fighter II.
Each employee reporting to just one supervisor, who in turn moves up the chain of command, is an example of:
Unity of command
Discipline
Division of labor
Span of control
Written regulations such as organization's policies and procedures clarify expectations and:
Create personnel schedules
Delegate authority
Award promotions
Organize the budget.
Which type of specialized fire company generally has the primary duty of searching for victims and removing them from areas of danger or entrapment?
Rescue company
Brush company
Hazardous materials company
Engine company
Emergency scene lighting and portable rescue equipment are powered by apparatus-mounted generators, the apparatus' electrical system, or:
The local power grid
Adaptable concerters
Portable electric generators
Solar panels
The division of labor refers to:
The formal line of authority, responsibility, and communication within an organization
Each employee reporting to just one supervisor
The process of dividing large jobs into smaller pieces to make them more manageable
An organization's responsibility to provide leadership
Fire department line personnel are responsible for:
Repairing broken department apparatus
Organizing personnel medical evaluation records
Providing emergency services to the public
Overseeing the department's annual budget
Often referred to as dispatchers, the persons who are trained to answer emergency calls and obtain the correct information are:
Communications attendants
Public safety communicators
Telecommunicators
Radio operators
What information should be included when broadcasting information on emergencies to department members?
Information from area businesses and media outlets
Information from the caller and historical incidents
Information from the caller and from preincident plans
Information from neighboring jurisdictions and state law enforcement
Which type of alarm consists of scrolling message boards and pagers?
Electronic
Audible
Combination
Visual
Once an emergency has been reported, the information must be:
Shared with other telecommunicators
Transmitted to responding units
Logged into a public blog
Verified and sorted
What information should be gathered by a dispatcher?
Length of time before responders must be at the scene
Number and location of people involved
Hospital information for victims involved
Previous incidents at the location involved
Which federal agency issues radio licenses to fire departments that operate radio equipment?
Federal Communications Commission (FCC)
Federal Aviation Administration (FAA)
Federal Emergency Management Agency (FEMA)
Federal Trade Commission (FTC)
A central location that takes all emergency calls and routes the call to the fire, emergency medical, or law enforcement dispatcher is a:
Communications center
Public safety answering point
Dispatch center
Emergency service specific telecommunications center
Which method of alerting fire department members of an emergency alerts the member by tone, light, and/or vibration and can be sent to specific frequencies?
Home electronic monitors
Computer terminals
Pagers
Radio
A separate dispatch center operated by a fire department would be categorized as a(an):
Emergency Service Specific Telecommunications Center
Tertiary Public Safety Answering Point (TSAP)
Regional Public Safety Telecommunications Center
Public Safety Answering Point (PSAP).
Which type of communications center equipment would be used for communications at an emergency scene?
Two-way radio system
Municipal alarm box systems
Direct-line telephones
Teletype (TTY)
Radios used in fixed locations such as fire stations, telecommunications center, training centers, or administrative offices are referred to as:
Mobile radios
Command radios
Portable radios
Base station radios
Modern 9-1-1 system capabilities now include apps.
Social media
Text messaging
Blogging
video conferencing
Which category of telecommunications systems is in a central location, takes all emergency calls, and then routes calls to appropriate dispatchers?
Public Safety Answering Point (PSAP)
Emergency Service Specific Telecommunications Center
Regional Public Safety Telecommunications Center
Tertiary Public Safety Answering Poin-t (TSAP)
The power of the transmitter and receiver and the height of the broadcast and receiving antennas determine the:
Frequency of the radio signal
Number of radios that can use a given channel
Distance a radio signal will travel.
Volume of the radio broadcast
What communication center equipment is used to receive calls from individuals with hearing impairments?
Telegraph box
Teletype
Telephone alarm box
Two-way radio
Type II construction buildings are composed of:
Large-dimensioned lumber or laminated wood
Noncombustible materials that do not add to the fuel load
Prefabricated wood components
Metal and wood components that increase the fuel load
In a Type III construction building, the interior walls, columns, beams, floors, and roofs are completely or partially constructed of:
Steel
Gypsum
Wood
Concrete
Which type of factory-built homes are assembled on-site from components constructed of foam insulation sandwiched between sheets of plywood?
Pre-cut homes
Modular homes
Mobile homes
Panelized homes
The most common type of factory built home that firefighters will encounter is the _____ home.
Modular
Pre-cut
Panelized
Mobile
Which characteristic of Type IV construction buildings can contribute to the intensity of a fire once it starts?
Precast concrete columns
Many voids or concealed spaces
Unprotected steel framing members
High concentration of wood
When responding to a fire in a Type I construction building, firefighters should be aware that:
The building will be vulnerable to rapid structural collapse
The roof may be extremely difficult to penetrate
Steel structural members are likely to fail quickly under fire conditions
Industrial glues used in the construction process are highly flammable
Which type of building construction is commonly encountered in single-family residences and is known as wood frame construction?
Type II
Type IV
Type I
Type V
Which type of factory-built home is the least expensive, usually has wheel and a permanent steel undercarriage?
Log houses
Geodesic domes
Modular home
Mobile home
What is one construction requirement of newer factory built homes that has helped to reduce fire loss and residential fatalities?
Gypsum board instead of wood paneling as an interior finish
Open crawl spaces which provide an additional oxygen source
Lighter fuel load than conventional structures
Fewer internal walls to create compartmentation
Roof modifications such as rooftop gardens or photovoltaic panels should be identified during preincident surveys and initial size-up:
So that firefighters will be aware of them in case the structure needs to be ventilated
So that building code enforcement can ensure that they comply with local standards
Because national standards require fire department documentation of roof modifications
Because they will have a significant impact on search and rescue operations.
Type IV buildings are resistant to structural collapse because of the:
Use of noncombustible interior finishes
Use of open-web floor joists
Mass of the heavy timber structural members
Thickness of the reinforced concrete walls
With regard to local building codes, firefighters should be aware that:
Most jurisdictions lack formalized building code requirements
Local building codes must be modeled after the International Building Code®
An AHJ can amend model building codes to meet local needs
Building codes are standardized across the United States and Canada
What are the three main components that make up roof?
Supporting structure, roof deck, roof covering
I-beams, supporting structure, roof covering
Roof decking, roof covering, sheathing
Roof deck, I-beams, gusset plates
What condition often found in Type III construction buildings is likely to negatively influence fire behavior?
Reinforced concrete columns and decorative arches
Void spaces between wall studs
Concrete roofs that are difficult to penetrate
Large-dimensioned wood beams
Which construction classification includes buildings with exterior load bearing walls composed entirely of wood and is commonly referred to as wood frame construction?
Type IV
Type V
Type II
Type III
Type V construction buildings may have a veneer of stucco, brick, or stone that:
Produces dark smoke and adds to the fire load
Offers the appearance of a Type I building
Provides little fire protection
Significantly enhances the structural support
Fires in basements are likely to become more hazardous than fires in other compartments because of:
Increased electrical hazards
Limited venitilation
Communication difficulties
Poor lighting
Which element is included in the fire tetrahedron that is not part of the fire triangle model?
Fuel
Chemical chain reaction
Heat
Oxygen
Hydrogen cyanide (HCN) is a product of combustion that:
Targets the brain after being inhaled, ingested, or absorbed into the body
Is released when wood and other natural materials are burned
is equally as toxic as carbon monoxide (CO)
Acts as a respiratory stimulant, increasing respiratory rate and increasing oxygen to blood cells
The range of concentrations of fuel vapor and air within which combustion can occur is the:
Self-sustaining range
Lean-burning range
Flammable (explosive) range
Oxidation (combustion) range
What is the primary consideration affecting how easily solid fuels ignite?
Specific gravity
Total mass of the fuel
Heat release rate
Surface-to-mass ratio
Which statement about energy and combustion is accurate?
Chemical and physical changes almost never involve an exchange of energy
A fuel's potential energy releases during combustion and converts to kinetic energy
Chemical changes involve an exchange of energy; physical changes involve no energy exchange
A fuel's chemical energy is the result of rapid vibrations in the molecules
Fires involve a heat-producing chemical reaction between fuel and:
Free radicals
A reducing agent
A catalyst
An oxidizer
Which measurement is often used to measure how long PPE will protect a firefighter in an interior fire environment?
Heat flux to the PPE
Pressure of convective flow
Temperature in the structure
Rate of rise in temperature
How does a compartment fire affect pressure in and around gases in the compartment?
At standard temperature and atmospheric pressure, gases circulate at a steady, uniform rate
Significant differences in pressure, typically 10 kPa or greater, are required to cause movement of gases in a compartment
Gases move from areas of lower pressure to areas of higher pressure
Heat from a fire increases the pressure of the surrounding gases
When a substance changes from one type of matter into another, such as two or more substances combining to form compounds, the substance undergoes a:
Chemical reaction
Metamorphosis
Dissolution
Physiological change
What is the measurement of the average kinetic energy in the particles of a sample of matter?
Candlepower
Heat
Temperature
Wattage
Most residential fires that develop beyond the incipient stage become
Spontaneously ignited
Fuel-limited
Ventilation-limited
Too lean to burn
The minimum temperature at which a fuel in the air must be heated in order to start self-sustained combustion is known as the:
Lower explosive (flammable) limit (LEL).
Autoignition temperature (AIT).
Piloted ignition temperature (PIT).
Upper explosive (flammable) limit (UEL).
Which type of fuel is difficult to extinguish using water as the only extinguishing agent?
Liquids that are more dense (heavier) than water
Miscible liquids
Liquids that are less dense (lighter) than water
Polar solvents
What is the MOST common source of heat in combustion reactions?
Thermal equilibrium
Chemical energy
Convective flow
Electrical energy
Which is an example of a self-sustaining chemical reaction?
Chemical asphyxiation
Convective flow
Nonflaming combustion
Flaming combustion
Which element of the fire tetrahedron is included to explain flaming (gas-phase) combustion?
Heat
Chemical chain reaction
Oxygen
Fuel
What occurs when a mixture of fuel and oxygen encounter an external heat source with sufficient heat or thermal energy to start the combustion reaction?
Kinetic ignition
Piloted ignition
Sustained ignition
Autoignition
In order to burn, fuel must be in a ______ state
Liquid
Plasma
Solid
Gaseous
Which statement about using a portable fire extinguisher is accurate?
Pressing the extinguisher handles three times will stop the flow of the agent.
Portable fire extinguishers should be used in place of a hose line on all incipient fires.
Wind can limit the reach of the extinguishing agent after it is expelled.
The extinguisher operator should stand as close to the burning material as possible.
Class A portable fire extinguishers are rated from 1-A through 40-A based upon the amount of water and:
Whether the portable extinguisher is intended for indoor or outdoor use.
Whether the portable extinguisher is certified for novice use.
Duration and range of discharge used in extinguishing test fires.
The weight and height of the portable extinguisher.
How would a fire containing plastics be classified?
Class D
Class A
Class K
Class C
Which statement about Class C fires is accurate?
Once the electricity has been shut off to a Class C fire, it may be treated as a Class A or Class B fire.
Class C fires contain combustible metals and alloys such as titanium, lithium, or magnesium.
Class C fires should be extinguished using a specialized wet chemical system.
Class C fires are rated from 1-C through 40-C and can be extinguished using a Class C extinguisher with the same rating.
A Class D fire should be extinguished using a:
Dry powder extinguisher.
Carbon dioxide extinguisher
Clean agent extinguisher.
Dry chemical extinguisher.
In a(n) ______extinguisher, compressed air or inert gas within the container forces the agent our of the extinguisher nozzle when the operator presses the handle.
Automatic pump
Stored-pressure
Manual pump
Pressure cartridge
(blank) is an example of a Class D fuel.
Animal fat
Magnesium
Alcohol
Gasoline
An empty portable fire extinguisher should be:
Laid on its side.
Sent to the manufacturer to be refilled.
Set inside the apparatus cab.
Placed upright next to the full extinguishers.
Which type of extinguishing agent is used to extinguish a Class B fire?
Wet chemical
Deionized water
Dry powder
Carbon dioxide
Which is a Class D combustible material?
Sodium
Vegetable oil
Plastic
Alcohol
When an extinguishing agent is determined to be safe and effective for use on combustible metals, it will:
Be given a numerical rating based upon the amount of fire it can extinguish.
Include application instructions on the faceplate.
When an extinguishing agent is determined to be safe and effective for use on combustible metals, it will:.
Be a different color than extinguishers designed to extinguish other classes of fire.
Which type of extinguisher is intended to be used on a Class B fire?
Stored-pressure wet chemical extinguisher
Store-pressure water-mist extinguisher
Aqueous film forming foam extinguisher
Pump-type water extinguisher
Which method of fire extinguishment forms an oxygen-excluding soapy foam over the surface of the burning material?
Cooling
Chemical flame inhibition
Smothering
Saponification
Which material is a Class A combustible material?
Gasoline
Electrical equipment
Vegetable oil
Wood
Which material is a Class B fuel?
Lithium
Gasoline
Live electrical wires
Vegetable oil
What type of materials do Class B fires involve?
Energized electrical equipment
Wood and paper
Cooking oils
Combustible liquids and gases
Which extinguishing agent should be used for a Class D fire?
Dry powder
Class D foam
Wet chemical
Dry chemical
According to NFPA 1983, what must be used to make life safety rope?
Sisal fibers
Block creel construction
Braided rope construction
Cotton fibers
Which type of webbing is commonly used for rescue applications?
Tubular webbing
Flat webbing
Kernmantle webbing
Braided webbing
Which type of rope is commonly used as utility rope and is constructed by uniformly intertwining strands of rope together in a diagonally overlapping pattern?
Kernmantle rope
Twisted rope
Braided rope
Laid rope
How can utility rope be used during rescue operations?
Lifting rescuers
Removing victims from swift water
Marking control zone perimeters
Rapelling
A ______ is a bend in the knot that is created by bending the rope back on itself while keeping the sides parallel.
Hitch
Loop
Round turn
Bight
Which part of the rope is used to tie a knot?
Running part
Hitch end
Standing part
Working end
Natural fiber ropes:
Should not be used for life safety applications
Should not be used as utility rope
Melt when exposed to heat or flame
Are resistant to mold, mildew, and chemical damage
Which type of rope is used as a belay line when there is a possibility that a victim or firefighter may fall a long distance while supported by the rope?
Braided rope
Static kernmantle rope
Twisted rope
Dynamic kernmantle rope
Which type of rope construction is used for life safety rope?
Laid
Braid-on-braid
Kernmantle
Braided
What is one disadvantage of synthetic fiber rope?
Melts when exposed to heat
Must be replaced
Prone to mold and mildew
Cannot support heavy loads
Rope that is used exclusively for utility rope and is susceptible to abrasion and damage because a large portion of the load-bearing strands are exposed is known as:
Dynamic rope
Kernmantle rope
Laid rope
Braid-on-braid rope
Life safety rope must be removed from service if it has been:
Subjected to temperatures below freezing.
Used more than ten times.
Used for a water rescue.
Subjected to an impact load.
What should be done in order to ensure that rope remain in good condition?
Paint the ends to prevent unraveling.
Clean the rope with strong chemicals to remove grease.
Keep all ropes away from rust.
Coil the rope in the same direction every time.
Natural fiber ropes are:
Less resistant to sunlight than synthetic ropes.
Permitted to be used for life safety applications,
Resistant to mildew, mold, and shrinkage.
Permitted to be used for utility applications.
Braid-on-braid rope is usually used:
For rescues where long falls are possible.
For rescues where long falls are not possible.
As life safety rope.
As utility rope.
Synthetic fiber rope:
Is difficult to clean, inspect, and maintain.
Has a longer life span than natural fiber rope.
Should not be used for life safety applications.
Is made from materials such as sisal or hemp.
What is one advantage of natural fiber rope?
Resistant to mold and mildew
Can be used for life safety applications
More resistant to sunlight than synthetic rope
Longer life span than synthetic rope
A(an) ______ knot is primarily used to attach a rope to an object such as a pike pole or hoseline.
Overhand safety
Figure-eight bend
Clove hitch
Figure-eight
At an emergency incident, utility rope can be used for:
Supporting a firefighter who is rappelling.
Rescuing a victim from swift water.
Creating a control zone perimeter
A rescue or hoisting operation.
A _______ is used to control equipment that is being hoisted by preventing it from spinning or snagging.
Carabiner
Pulley
Lever
Tag line
Which type of ladder has a fixed length and can be from 6 to 32 feet (2 to 10m) long?
Trussed ladder
Roof ladder
Single ladder
Extension ladder
When preparing to carry a ground ladder stored on an apparatus, it is important to know:
The place the ladder was manufacturered.
The date of the ladder's last inspection.
Whether the ladder will be raised for rescue or for ventilation.
Whether the ladder is stored with the butt toward the rear or front of the apparatus.
When two firefighters are used to raise a ladder, the:
Firefighter at the butt end is responsible for determining appropriate ladder placement.
Firefighter at the tip is responsible for determining appropriate ladder placement.
Ladder must be raised perpendicular to the building.
Ladder must be raised parallel to the building.
How should a ladder be placed when rescuing a victim from a window?
One rug raised higher than the window sill
Ladder tip raised just below the window sill
Three rungs raised higher than the window sill
1 foot (0.3m) beside the window
According to the NFPA 1932, ground ladders should be inspected after every use and at least:
Daily.
Weekly.
Annually.
Monthly.
What should be done if damage is found during a ladder inspections?
Send the ladder back to the manufacturer for an advanced inspection.
Remove the ladder from service until it can be repaired and tested.
Continue using the ladder but notify a supervisor.
Discard the ladder and purchase a newer model.
Swivel plates attached to the butt of the ladder are called:
Footpads
Protection plates
Guides
Butt spurs
The recommended climbing angle for ladders is usually______ degrees.
110
55
95
75
The lowest, widest section of an extension ladder that always maintains contact with the ground while the ladder is being raised is the:
Guide section
Bed section
Truss section
Stationary section
What is method of preventing a ground ladder from moving once it has been placed?
Spurring
Locking
Pawling
Heeling
Which ladder should be raised by at least three firefighters?
12 foot (4m) extension ladder
Roof ladder
Single ladder
35 foot (10.5m) extension ladder
In order to safely climb a ladder, a firefighter should:
Place both feet near the center of the rungs when climbing.
Reach above his or her head to grasp the rung above while climbing.
Climb using leg muscle rather than arm muscles.
Grasp the same rung with both hands while climbing.
According to NFPA 1931, all ladders are required to have a:
Balance stripe.
Label listing the date of purchase.
Certification label.
White reflective tip.
When carrying a roof ladder, the:
Ladder must be carried tip first.
Hooks should be closed.
Ladder must be carried vertically.
Hooks should be open.
If a firefighter needs to use both hands while working on a ladder, he or she should use a ladder belt or ____ to secure to the ladder.
Leg lock
Hitch
Carabiner
Pulley system
The (Blank ) is the rope or cable used to raise the upper sections of an extension ladder.
Guide line
Halyard
Pulley
Pawl
Pushing/pulling tools such as pike poles:
Normally have one end that is a beveled fork.
Should not be used for prying becuase the handles may break.
Generally have handles made of case hardened steel.
Should not be used for breaking glass, metal, or plaster.
To prevent injury while using forcible entry tools, it is best practice to:
Wear full PPE including SCBA at all times.
Use a "cheater bar" to gain mechanical advantage.
Only use tools for their intended purpose.
Station a second firefighter nearby the one making entry.
Which forcible entry tool has a V-blade and is used to pull lock cylinders?
A- tool
K- tool
Shove knife
Ramber
Before performing forcible entry at a commercial or industrial occupancy, a firefighter should "try before you pry" and:
Look for a lock box near the main entrance.
Request mutual aid to help force the stronger building materials.
Get permission from the building's owner or superintendent.
Radio the computer-aided dispatch center.
Which type of tool works as a lever to provide a mechanical advantage when forcing entry?
Cutting
Striking
Prying
Pulling
Which forcible entry task is a pick-head axe well suited to perform?
Pry security bars off of windows
Strike another tool to force it through a doorjamb
Cut through the hasp of a padlock
Remove shingles and other roof coverings
Which method is safe to use when carrying an axe?
Retested on the shoulder
Hanging behind your body
Blade pointing away from your body
Blade pointing toward your body
Do NOT operate any power saw when:
Working in a flammable atmosphere.
Other personnel are nearby.
Wearing SCBA.
Working in an environment with extreme temperature.
Which cutting tool would be used to cut through shingles and other roof coverings?
Oxyacetylene torch
Pick-head axe
Reciprocating saw
Plasma cutters
Before breaching an exterior wall, firefighters must consider:
Collapse hazards and location of conceal utilities.
Whether the wall is load-bearing or nonload-bearing.
The cost of clean-up and repair to the wall.
The age of the structure being breached.
The most common type of locking or latching mechanisms found in residential homes are:
High security locks.
Cylindrical locks.
Mortise locks.
Rim locks.
Which factor affects the decision of where to force entry?
Weather conditions
How forcible entry will affect ventilation
Building's age
Building's occupancy type
Security barriers such as bars, grilles, and Lexan® windows:
Cannot be forced, even with specialized tools.
Provide a more secure point of entry for a building.
Can be forced using common power tools.
Require specialized training and tools to force.
Which type of windows may require a sledge hammer or battering ram to break?
Jalousle windows
Fixed windows
Casement windows
Awning windows
Panic, claustrophobia, and disorientation are effects of:
Chronic exposure to products of combustion
Obscured vision conditions
Long-term exposure to radiation
Pulmonary edema
A search of the fire floor generally:
Requires more time than searches on other floors.
Requires four teams of firefighters.
Starts at the entrance and works counterclockwise toward the fire.
Starts as close to the fire as possible and works back toward the entrance.
Air monitoring is performed at incident in order to determine the:
Number of personnel allowed into the IDLH.
Appropriate PPE and equipment to use.
Origin of the fire.
Cause of the fire.
Which situation would be a considered MAYDAY situation?
Fire spreads to an adjacent structure
SCBA malfunctions
Fire enters the growth stage
A piece of equipment breaks
Which condition specific to search and rescue operations should be communicated to crew members and/or your supervisor?
Names of victims or occupants
Known locations of victims or occupants
Building's construction classification
Wind direction and speed
Immediately after a MAYDAY is broadcast, all:
Firefighters on scene must activate their PASS device.
Radio traffic unrelated to the MAYDAY must stop.
Firefighters on scene must evacuate the building.
Radio traffic must be switched over to the Command channel.
What is the safest option if there is imminent threat of structural collapse?
Move to a location protected by a fire wall
Use forcible entry tools to shore unstable materials
Remain in place until ordered to evacuate
Escape to a safe haven outside the hazard area
Atmosphere is considered oxygen-deficient when oxygen levels are:
Above 23.5%
Below 19.5%
Between 20.5% and 21.9%
Between 19.5% and 20.9%
Which method is designated to enable a rescuer to move a victim up or down a stairway?
Litter carry
Webbing drag
Extremities lift
Incline drag
(Blank) consist of at least two trained members standing by in case a firefighter must be rescued
Mutual aid teams
Rapid intervention crews
Forcible entry teams
Secondary search crews
To employ effective air management techniques during search and rescue, firefighters must:
Rely on the company officer to determine a point of no return.
Check SCBA air levels every fire minutes.
Use an air monitoring device to scan the work environment.
Check SCBA air levels after periods of heavy work.
Shelter-in-place is used as an alternative to evacuation when:
Victims are so injured that they cannot be moved.
The structure is surrounded by high risk exposures.
The structure is protected by fire walls or fire doors.
Victim refuse to leave the hazardous area.
Which tool or piece of equipment does a rapid intervention crew (RIC) need to carry?
Hearing protection
Spare SCBA cylinder
Extension ladder
Portable generator
Which type of search is intended to quickly find victims before or during suppression operations?
Secondary search
Primary search
Contained search
Anchored search
Which type of fires are difficult to access without effective ventilation because firefighters would have to descend through intense rising heat and smoke to get to the seat of the fire?
Basement fires
Warehouse fires
Fires in windowless buildings
High-rise fires
Which inspection hole is the easiest and fastest to cut?
Trench cut
Kerf cut
Box cut
Triangle cut
What is the goal of positive-pressure ventilation (PPV)?
Decrease pressure to lower than the exterior of the structure
Increase pressure to higher than the exterior of the structure
Increase pressure to higher than the fire can produce
Equalize interior and exterior pressure
When ventilation work on a rood is complete, personnel should:
Remain on the roof to monitor ventilation.
Evacuate the roof promptly.
Direct hose streams onto the roof.
Cut back-up ventilation points.
Which type of ventilation is accomplished by using fans, blowers, or smoke ejectors to create negative or positive pressure?
Hydraulic ventilation
Natural horizontal ventilation
Mechanical ventilation
Primary horizontal ventilation
When ventilating shingle-covered pitch roofs, always cut exhaust openings:
Where it is most convenient.
At or very near the lowest point of the roof when possible.
Near the middle of one side of the roof.
At or very near the highest point of the roof when possible.
Which type of ventilation is usually required for fires in windowless buildings?
Hydraulic ventilation
Natural ventilation
Primary and secondary ventilation
Mechanical ventilation
As a fire within a compartment consumes oxygen, the amount of unburned fuel in combustion products:
Decreases
Stays the same
Increases
May either increase or decrease
Which action may improve visibility inside structures so that interior crews can work more effectively?
Controlling exhaust openings
Increasing the number of personnel
Cooling the exterior of the building
Exposure protection
Which type of ventilation consists of opening doors and windows to allow air currents and pressure differences to remove heat and smoke from a building?
Mechanical ventilation
Hydraulic ventilation
Secondary horizontal ventilation
Natural horizontal ventilation
When performing tactical ventilation, what action has the most impact on successful ventilation?
Removing fuel sources
Activating sprinkler systems
Exposure protection
Controlling oxygen availability
Why should ventilation be immediately followed with exterior or interior fire attack to cool gases and surfaces in the fire room?
The greater the time between ventilation and application of water, the greater the fire's growth
The greater the time between ventilation and application of water, the greater the fire's growth
Ventilation will cause the fire to go into decay, making it easy to extinguish
The ventilation crew is already in position to perform fire attack
Which is an indication of possible roof collapse?
Swirling winds above the roof
Smoke coming from upper windows
Melting asphalt
Building systems such as HVAC shutting down
Why is ventilation used during overhaul and loss control?
Evacuate smoke from structures after a fire has been extinguished
Eliminate the need for respiratory protection
To help control the fire
Remove soot and odors from valuable contents
Tactical ventilation should be coordinated with an emphasis on:
Controlling resources used.
Controlling oxygen availability.
Exposure protection.
Limiting personnel at the fire scene.
According to NFPA 1962, fire hose should be service tested within 90 days before being placed in service for the first time and then:
Monthly
At least once a year
After every time it is used
Weekly
A fire hose is labeled according to the:
Longest hose stream it can produce
Size of its inside diameter
Size of its couplings
Length of one of its sections
What is the purpose of lugs on a fire hose coupling?
Seal the coupling connection to prevent leaks
Aid in tightening and loosening connections
Act as a handle when carrying hose rolls
Prevent cross-threading when connecting male and female couplings
Which hose roll creates a compact roll that can easily be transported for special situations, such as a high-rise incident?
Donut roll
Triple layer roll
Twin donut roll
Straight roll
Which statement describes two-way couplings?
Only used on attack hose
Require adapters to connect two sections of hose
Do not have male and female threads
No risk of connections coming undone
Hard suction hose is commonly used:
Only when soft sleeve hose is not available.
For drafting from a static water source.
To connect to a fire department connection for a standpipe.
In situations when multiple departments' hoses must be connected.
The (blank) on a coupling is a flattened angle at the end of the threads that helps prevent cross-threading when connecting couplings.
Higbee indicator
Lugs
Higbee cut
Shank
Which is the best way to load large diameter supply hose?
Accordion load
Combination load
Flat load
Horseshoe load
Which is a characteristic of nonthreaded couplings?
An adapter must be used to connect nonthreaded couplings to hydrants
Connecting hose with nonthreaded couplings is much more time consuming than connecting hose with threaded couplings
Nonthreaded couplings require double-male adapters to connect hose sections together
Nonthreaded couplings have no risk of accidentally becoming uncoupled once they are connected
Which is a guideline for loading hose?
Disconnect all couplings before loading the hose.
Preconnect attack hose must be loaded with an accordion load.
Always load large diameter hose with couplings toward the back of the hose bed.
Remove kinks and twists from the hose when forming a loop.
Which type of hose is designed to connect the pumping apparatus to a pressurized water source, such as a hydrant?
Booster hose
Large diameter soft sleeve hose
Attack hose
Small diameter hard suction hose
The part of the coupling where it attaches to the hose is called the:
Higbee indicator
Spanner
Shank
Higbee cut
Fire hose should be washed with mild soap or detergent using scrub brushes:
After its annual inspection.
If it has been exposed to smoke.
After every use.
If it has been exposed to oil.
What must be done when shutting down a dry-barrel hydrant?
Leave at least 10 percent of the water in the hydrant
Verify that all of the water drains out
Request help from a hydrant technician
Request help from the hydrant manufacturer
Mobile water supply operations, such as water shuttles or relay pumping, must be performed:
In rural areas without public water distribution systems.
In rural areas without public water distribution systems.
When hydrant connections are too difficult to make.
In metropolitan areas that have a high rate of public water consumption.
What is one advantage of the minuteman load?
The hose does not drag on the ground.
It puts less weight on the shoulders of the fighters carrying the hose.
It is the most effective deployment method for LDH hose.
It requires the use of an adaptor or reducer.
A hydrant wrench is primarily used to:
Tighten hose couplings at the apparatus outlets
Apply a hose clamp near the hydrant outlet
Repair the hydrant if it is out-of-service
Remove discharge caps from the hydrant outlets
Reduced water volume or pressure from hydrants can result from:
The use of both wet-barrel and dry-barrel hydrants in the same system.
Greater demand than the system can provide
Open water mains
Open isolation valves
Which type of valve device is used to divide one hoseline into two or more hoselines?
Wye appliance
Siamese appliance
Water thief
Gate valve
Which type of hydrant is used in climates with prolonged periods of below-freezing temperatures?
Wet-barrel hydrant
Steamer hydrant
Dry-barrel hydrant
A (blank) valve is used to control the flow of water from a fire hydrant.
Butterfly
Ball
Clapper
Gate
In which operation would the pumping apparatus start at the fire scene and lay a supply line back to the water source?
Reverse lay
Standpipe connection
Forward lay
Mobile relay operation
Friction loss causes:
The nozzle to be difficult to control.
Damage to the hose lining and couplings.
A water pressure surge that can damage the hose.
Reduced water flow and pressure at the nozzle.
Water extinguishes fire by:
Vaporizing into steam.
Interrupting the chemical chain reaction necessary for combustion.
Reducing the amount of available oxygen.
Absorbing heat and cooling the burning material.
In order to prevent obstructions when advancing a charged hoseline down a stairway, excess hose should be:
Stretched to the opening of the fire compartment.
Rolled and stored for later use.
Moved to the right side of the stairwell.
Stretched outside the stairway.
Hydrants must be opened and closed slowly in order to prevent:
Loss of suction
Hydrant erosion
Friction loss
Water hammer
Where are wet-barrel hydrants usually installed?
Climates that do not have long periods of below-freezing temperatures
Climates that have a higher than average number of below freezing days
Rural areas without an alternate water supply
Rural areas where multiple departments may need to respond
Which type of nozzle has a straight, smooth tip and produces a solid stream of water?
Cellar nozzle
Fog nozzle
Smooth bore nozzle
Straight stream nozzle
A dry-barrel hydrant only has water in it when:
The stem nut is operated to open the control valve
A water main has broken
The temperature outside is above freezing
A clapper valve has been opened
When attacking a vehicle fire, crews should:
Extinguish fire in the trunk compartment first.
Approach at a 45-degree angle from the side of the vehicle.
Approach from downhill and downwind of the fire.
Attempt to use a fire extinguisher before using a hoseline.
Directing short bursts of water into the hos gas layer:
Will cool the gas layer and reduce chances of the gases igniting.
Is hazardous and should not be done.
Is a way to directly attack the fire.
Will create large amounts of steam that can burn firefighters in the area.
When attacking fire in a small unattached structure such as a storage shed,:
Class A foam will no be effective.
Class A foam must be used instead of water.
An interior attack should be used.
An exterior attack should be used.
What factor has the biggest impact on a ground cover fire?
Weather
Topography
Type of fuel
Time of day
Which type of alternative vehicle fuel has a flame that is invisible during the day and should be allowed to burn itself out?
Hydrogen
Compressed natural gas
Biodiesel
Liquefied natural gas
Which method of fire suppression is rarely an option at a structure fire?
Chemical flame inhibition
Oxygen exclusion
Temperature reduction
Fuel removal
When a firefighter controls doors and windows during fire attack, it is an example of:
Chemical flame inhibition
Temperature reduction
Fuel removal
Oxygen exclusion
What is the primary goal when attacking fire in exterior stacked or piled Class A materials?
Prevent property damage by using as little water as possible
Prevent monetary loss by salvaging as much of the material as possible
Contain the fire and protect exposures
Allow the fire to burn itself out
Applying water to a fire is an example of:
Oxygen exclusion.
Fuel removal.
Chemical flame inhibition.
Temperature reduction.
Which method of fire attack involved applying water onto burning fuels using a solid or straight stream?
Transitional attack
Direct attack
Combination attack
Indirect attack
What can happen if excess steam is produced inside the structure as a result of applying water on the fire?
Transition from fuel-limited to ventilation-limited conditions
Increase in the potential for backdraft or flashover
Pyrolysis process speeds up
Disruption of the thermal layering
Closing the valve on a natural gas tank to stop the emission of gaseous fuel would be an example of:
Fuel removal
Chemical flame inhibition
Temperature reduction
Oxygen exclusion
What part of a ground cover fire spreads the most rapidly and usually does the most damage?
Origin
Head
Flank
Finger
In which situation would fuel removal be a likely method of extinguishment?
Warehouse fire
Fire in an apartment building
Fire in a one-story house
Grass fire
When firefighters apply water to the hot gas layer in a compartment, it will:
Reduce the radiant heat flux from the upper layer
Increase the radiant heat flux from the upper layer
Push fire into adjacent rooms
Increase the potential for flashover
Extinguisher agents such as _____ interrupt or inhibit the combustion reaction and stop chemical flame production.
Class A foam
Carbon dioxide (CO2)
Clean agents
Water
Which statement describes transitional attack?
It is a suppression method that is only suitable to use with small unattached structures.
Water is applied from the exterior first to transition the fire from ventilation-limited to fuel-limited.
It is a suppression method that is only suitable to use with fuel-limited fires.
It is a suppression method that is only suitable to use with fuel-limited fires.
At a structure fire, a Fire Fighter I:
Cannot be involved with electrical or gas utilities at all.
Should know how to turn utilities back on once it is safe to do so.
Must know the location of utility control valves and switches.
Will determine when to shut down the building utilities.
Which method of protecting building contents keeps items secure and reduces interference with fire suppression and ventilation activities?
Group and cover items in the room where they are found
Move items to an uninvolved area of the structure
Use a small hoseline to spray the area around the items
Carry items outside the building and cover them
Which is a duty of a Fire Fighter I?
Protecting the incident scene and preserving evidence
Determining which fire evidence will be admissible in court
Investigating individuals who may have started the fire
Identifying the exact cause of the fire
Where does overhaul typically begin?
On the top floor of the building
Area of most severe fire involvement
At the front entrance of the building
Area of least severe fire involvement
Which is an indicator that a fire was NOT accidental?
A broken gas line
Trailers
Structural collapse
Presence of hazardous materials
Spalled concrete is an indicator of:
Arson
The need for additional engine companies
An accidental fire
Possible loss of structural integrity
Which piece of salvage equipment is designed to carry debris and provide a water basin for immersing small burning objects?
Carryall
Scupper
Salvage cover
Catchall
Which hazard are firefighters likely to encounter during overhaul?
Flashover
Severe burns
Toxic gases
Spalling
Traditionally, how large is the collapse zone?
1½ times the height of the structure
1½ times the width of the structure
2½ times the height of the structure
2½ times the width of the structure
Why can abandoned buildings pose great danger of fire and collapse?
The interior may be compartmentalized
The exterior may be made of lightweight components
The interior may be gutted and altered
The exterior may be covered with flammable materials
How does heat affect masonry?
Stones and concrete may experience spalling when they are heated
Bricks will crumble after minimal exposure to heat and flame
Stones and concrete will crumble after exposure to direct flame
Bricks may experience spalling when they are heated
Little or no water runoff from the interior of the structure can be an indicator that:
Fire suppression was effective
The structure is stable, because the fire has been put out
The structure is retaining water and at risk of collapse
Fire suppression was not effective
Which factor is likely to affect the speed with which a steel structural member fails under fire conditions?
Age
Exposure to foam extinguishing agents
Size
Where the steel is located in the structure
What is a concern about lath and plaster during a fire?
Shows signs of spalling when exposed to fire
Conceals hidden fires and adds fuel to the fire
Stretches when heated
Releases toxic gases when heated
Which building material can potentially be harmful to firefighters because it contains a glue called urea formaldehyde that gives off a hazardous gas when it is heated?
Mineral wool
Particle board
Cellulose
Plywood
Cast iron may crack or shatter when it is:
Used as a decorative structural element
In contact with direct flames
Rapidly cooled with water
Heated indirectly
Which type of building material is used to protect other materials because its moisture content gives it excellent heat resistance?
Lath and plaster
Gypsum wallboard
Reinforced concrete
Reinforced steel
When heated, steel structural members tend to:
Elongate and push walls outward
Contract and cause walls to fall inward
Spall
Crumble
Which type of collapse is common for a Type V construction building?
Balloon collapse
Collapse of a single compartment
Walls collapsing in one piece or crumbling
Walls collapsing inward
When should a collapse zone be established at a structure fire?
As soon as interior operations begin
Once a defensive strategy is adopted
Before cordoning off the hot, warm, and cold zones
After mutual aid is requested
How does reinforced concrete react to exposure to fire?
It contracts and forces building walls inward
It performs well, but can lose strength through spalling
It elongates and pushes building walls outward
It takes longer to fail after exposure to fire
When should firefighters begin considering the potential that a building will collapse?
During preincident surveys and size-up
Immediately upon arrival at the incident
Once the fire reaches the growth stage
Once the fire reaches the fully involved stage
Which statement describes how glass will react under fire conditions?
Heated glass may crack when water is applied
Glass generally is not affected by fire conditions, but may be broken during forcible entry
It will break or melt, causing the surrounding walls to weaken
Glass can add a significant amount of fuel to the fire
Which type of building material can produce toxic gases and rapidly deteriorate under fire conditions?
Oriented strand board (OSB)
Glass
Lath and plaster
Steel
What must a Fire Fighter II be able to do to assist at technical rescue incidents?
Serve as a rapid entry team member
Recognize hazards associated with the type of incident
Plan and evaluate operations associated with the incident
Determine type of PPE and equipment needed
The controlled opening near the Command Post is monitored by
The Accountability Officer
The Safety Officer
A firefighter not involved in operations
Law enforcement
When responding to an elevator entrapment rescue,:
Immediately push the recall button
Follow the predetermined steps that are the same for all elevator rescues
Occupants should not wait in the elevator
There are no consistent, sequential steps to follow
Which type of collapse has a good chance of habitable voids but is most vulnerable to secondary collapse?
Cantilever
Pancake
A-frame
V-shaped
Before entering into the hot zone, personnel must:
Wait until incident is stabilized
Remove any contaminated PPE
Sign in to the personnel accountability system
Go through rehab
Which type of water or ice rescue is extremely dangerous because of powerful undercurrents and a hydraulic action that make escape virtually impossible?
Water treatment facilities
Ponds or lakes
Low-head or low-water dams
Coastal shorelines
Which type of rescue has limited means of entry and exit, is not designed for continuous occupancy, and may include cisterns/wells and utility vaults?
Structural collapse rescue
Confined-space rescue
Rope rescue
Trench rescue
Which is a task the Fire Fighter II must know in order to assist in technical rescue incidents?
Where tools and equipment are located on the apparatus
Provide direction on rescue tasks
Determine what tools and equipment are needed
How to stabilize rescue incidents
Stabilizing a rescue incident may involve:
Determining the type of rescue and units dispatched
Determining the incident location
Receiving the initial dispatch call
Diverting or blocking traffic
For which type of rescue would the Fire Fighter II monitor communication channels and search lines, operate SAR systems, and assist victims once they have been removed from the hot zone?
Vehicle rescue
Cave, mine, and tunnel rescue
Rope rescue
Water and ice rescue
Which type of collapse occurs when the floor and/or roof assemblies on both sides of a load-bearing center wall collapse?
V-shaped
Cantilever
A-frame
Lean-to
The first priority in a structural collapse rescue is to:
Help untrapped victims to a safe area
Call for mutual aid assistance
Extricate victims who are trapped by collapse debris
Initiate press conferences with media
An advantage of__________ is that they are widely available on most fire apparatus.
Foam nozzles
Fog nozzles
Apparatus-mounted proportioners
Compressed air foam systems (CAFS)
Which type of foam proportioner is directly attached to the pump panel outlet or connected at some point in the hose lay?
Compressed air foam system (CAFS)
Foam nozzle eductor
In-line eductor
Apparatus-mounted proportioner
A(an) is mounted on an apparatus and uses a centrifugal pump to supply the water for the foam solution and an onboard air compressor to add air to the mixture before discharge.
Balanced-pressure proportioner
In-line eductor
Compressed air foam system (CAFS)
Around-the-pump proportioner
Fog nozzles can be used with foam solution to produce:
High-expansion, short-lasting foam
High-expansion, long-lasting foam
Low-expansion, short-lasting foam
Low-expansion, long-lasting foam
What is a disadvantage of using fog nozzles to apply fire fighting foam?
They provide a limited reach compared to other nozzles
They are specialty nozzles that are not widely available on most apparatus
They are not as versatile as foam nozzles
Operator error is more likely to produce lower quality foam
Which is a characteristic of foam nozzles?
Longer stream reach than fog nozzles
Lower quality foam than fog nozzles
Shorter stream reach than fog nozzles
More versatile overall than fog nozzles
Which type of foam proportioner can compromise firefighter safety by slowing firefighters down since it requires the concentrate to be available where the nozzle is being operated?
Apparatus-mounted proportioner
In-line eductor
Compressed air foam system (CAFS)
Foam nozzle eductor
Most fire fighting foams are intended to be mixed with:
94 to 99.9 percent water
50 to 75.9 percent water
80 to 90 percent water
30 to 60 percent water
Which hazard is associated with fire fighting foam concentrate?
Frostbite if foam contacts unprotected skin
Nausea and fever if foam contacts the skin
Degradation of PPE if left on the garments for a long period of time
Widespread negative environmental effects
The premixing method of foam proportioning is typically used with:
Vehicle-mounted tank systems
A fixed fire protection system in a structure
In-line eductors
Fog nozzles attached to a large hoseline
Mixing water with foam concentrate to form a foam solution is referred to as:
Proportioning
Saponifying
Surfacting
Aerating
Class A foam acts as a surfactant, which means that it:
Requires a special type of aeration tool to be formed
Requires a special type of nozzle for application
Lowers the surface tension of water, allowing better penetration into the fuel
Raises the surface tension of water, creating a more effective extinguishing agent
High-quality foam bubbles are created through the process of:
Separation
Aeration
Expansion
Saponification
The rate of application for Class B foam depends on:
The location of the fuel spill
The type of water used to proportion the foam
Whether or not the fuel is a surfactant
Whether the fuel is spilled or contained in a tank
Which factor is important when selecting the appropriate foam proportioner to use?
Stage of fire development
Terrain in the fire area
Weather conditions
Available water pressure
Which extinguishment method involves foam creating a barrier between the fuel gases and any possible ignition sources?
Separating
Smothering
Cooling
Penetrating
Which is true of polar solvent fuels?
Fires involving polar solvents can be extinguished using Class A foams designed for ordinary combustible fires
They are flammable liquids that mix readily with water
Gasoline is the most common example of a polar solvent
Fires involving polar solvents can be extinguished using Class B foams designed for hydrocarbon fires
The firefighter in command of the incident must understand alarm assignment, which means that they must know the:
Number and type of units that respond to each alarm
Sounds of the alarm tones of different apparatus
Name of the officer in charge of each responding fire company
Cost of dispatching mutual aid resources
Which is a characteristic of NIMS-ICS?
Requires a special certification to use its components
Only required to be used on large incidents
Uses common terminology and communications
Incident action plans must be in writing
A crew leader is responsible for:
Determining whether an offensive or defensive strategy will be used
Selecting the tools the crew needs to perform their duties
Being the first member of the crew to enter the IDLH atmosphere
Making operational assignments to incoming units
When the first firefighter arrives on scene, he or she should:
Stay at the perimeter of the scene until a company officer arrives.
Act as the Incident Commander and establish command.
Go immediately to the hot zone and act as Safety Officer.
Act as the Incident Commander and also work as a member of the suppression team.
Which piece of information must be communicated to crew members and dispatch when establishing command?
Number of firefighters on scene
Number of occupants in the building
Who the acting Incident Commander is
Who the acting Safety Officer is
When a firefighter acting as the Incident Commander needs to transfer Command to someone,:
The firefighter must remain in the area to assist the new Incident Commander
It is preferable that Command is transferred via radio contact
A written report must be completed first
Face-to-face transfer of Command is preferred
When making operational assignments, the Incident Commander:
Must wait to assign personnel until all units have arrived
Will act as the leader of the attack crew while managing the rest of the incident
Should only assign a crew to fire attack if enough personnel are present
Can only assign a RIC if the safety officer determines it is necessary
What must the acting Incident Commander know in order to forecast fire growth and development?
Number of building occupants
Availability of water sources
Building construction type
Outside air temperature
When making initial assignments, the acting Incident Commander:
Should never split a crew in order to assign personnel to assist Command.
Should continue to work as Incident Commander, but operate as a member of the suppression or rescue crew.
May place the company into action with a crew member serving as an acting company officer.
Must only put interior crews into action if there are at least eight personnel on scene.
Which type of fuel source would require the greatest amount of heat to ignite because it must undergo pyrolysis in order to burn?
Gasoline
Hydrogen
Diesel fuel
Wood
When establishing a perimeter around a fire scene, the perimeter must be:
Continuously staffed by a law enforcement officer
As small as possible, with room to expand if necessary
Marked using permanent barriers
Visible and recognizable
How large should the perimeter outside a structure fire be?
Large enough to surround the building and any adjacent exposure buildings
Large enough to surround the building and all potential evidence outside the building
A minimum of 100 feet (30 m) in every direction from the building
A minimum of 250 feet (75 m) in every direction from the building
When trying to locate the area of origin of a ground cover fire, you must know:
The precise time the fire started
How wind and topography can affect fire spread
Construction types for buildings in the affected area
The fire cause before determining the area of origin
When examining the interior of a structure for the area of origin,:
Work from the area of least damage to the area of greatest damage
Charring on the floor is the strongest indicator of area of origin
Items with charring on all sides indicate that the fire was set intentionally
Work from the area of greatest damage to the area of least damage
The area of origin will usually contain:
Evidence of arson.
An obvious ignition source and material first ignited.
The greatest amount of damage and debris.
Piles of stacked materials that act as a fuel.
Which is a responsibility of a Fire Fighter II concerning evidence at a fire investigation?
Detaining bystanders who may have information about evidence
Briefing the press about the cause of the fire
Restricting access to the scene in order to protect evidence
Determining which evidence is admissible in court
An occupant stating that the room smelled like propane immediately before the fire started is an example of ______ evidence.
Circumstantial
Trace
Direct
Physical
Which action should be carefully conducted, because it can cause destruction or contamination of evidence at a fire scene?
Size-up
Rehabilitation
Rescue
Overhaul
After completing equipment maintenance, it is important to clean the work area and:
Immediately report completion to the company officer
Contact the manufacturer to verify that maintenance is complete
Document maintenance per local SOPs
Ask another firefighter to complete a secondary inspection
When service testing a fire hose, the:
Hose should be tested by just one person, so there is no confusion.
Hose should be tested three times to verify that there are no errors in testing
Testing area should be kept as dry as possible
Test should be conducted on a soft surface, such as grass or dirt
Why should test lengths of hose not exceed 300 feet (100 m) in length?
Gauges won't deliver proper results with longer lengths of hose
Longer lengths are susceptible to damage during testing
It is difficult to purge air from longer lengths of hose
Longer lengths are too difficult to carry and put in place.
Which is a safety procedure related to fire hose testing?
Always test hoses in lengths greater than 300 feet (100 m)
Only walk near pressurized hose when necessary
Always wear full structural PPE
Only use portable tanks as a water source
What should you do if you find a problem when maintaining a portable generator?
Report the problem, but keep the generator in service
Attempt to repair it
Send it back to the manufacturer
Consult the manual to determine the proper action
Which piece of equipment is used to prevent pressurized hose from dangerously whipping back and forth if it ruptures?
Nozzle equipped with a shutoff valve
Hose test gate valve
Apparatus-mounted proportioner
Hose clamp
In order to prevent damage to a portable generator, always:
Change the fuel before starting it
Avoid starting it with equipment plugged into it and turned on
Start the generator under a load
Run the generator for at least ten minutes before plugging equipment into it
Which type of equipment is NOT typically maintained by a Fire Fighter II?
Portable lighting systems
Portable generators
Hydraulic and pneumatic tools
Apparatus electrical systems
Replace any spark plug that:
Is covered in oil and grime
Shows signs of arcing
Is not stamped with the date of manufacture
Has been used for more than 6 months
When maintaining portable lighting equipment, it is safest to:
Replace bulbs immediately after shutting off the power
Connect each light to the generator one at a time
Connect all lights to the generator at the same time before starting the generator
Replace the bulbs while the power is still turned on
When testing fire hose, it is important to:
Make sure that hose lengths are at least 300 feet (100 m) long
Wear full structural PPE and SCBA
Charge large diameter hose before laying it out on the ground
Close valves slowly to prevent water hammer
Battery packs and pneumatic air cylinders should be kept:
Fully charged
At least 75% charged
At any charge level, as long as they are functional
At least 50% charged
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