Ice & Rain - Week 4
Ice & Rain Aircraft De-Icing Quiz
Test your knowledge on the crucial aspects of ice and rain management for aircraft. This quiz dives into the properties of de-ice fluids, anti-icing systems, and ice detection methods. Perfect for aspiring aviation technicians and enthusiasts!
- Understand de-icing procedures
- Learn about anti-ice systems
- Explore ice detection technologies
To ensure there are no "ill" effects of the de-ice fluid being sprayed on the aircraft, this property is very important to both the structure and components
Holdover time
Aerodynamic performance
Material compatibility
All the above
What component sends electric current from the _________ to the slip ring?
Wire harness, generator
Wire harness, brush block
Generator, brush block
Generator, slinger ring
The brush block maintains constant pressure on the slip ring by means of ______ force
Centrifugal
Spring
Tensile
Lockout
Where are the ice detection probes located and how many are mounted on the aircraft?
Nose fuselage, two
Nose fuselage, four
Aft fuselage, four
Aft fuselage, two
Large transport type aircraft are de-iced on the ground by using ________ fluids which are divided into ____ types
Aerosol, four
Containing, four
Recycled, four
Approved, four
Engine anti-ice is controlled by what component?
Anti-ice valve
Anti-ice element
Anti-ice cowl
Anti-ice timer
During Prop de-ice operation, the _______ indicates normal range of operation and as the boots cycle through each section the power value will _________
Ammeter, fluctuate
Ammeter, indicate
Timer, indicate
Timer, fluctuate
Before spraying de-icing fluid on an aircraft that is covered in heavy snow the __________ of snow must be removed _____ the application
Drifting, during
Drifting, after
Accumulation, after
Accumulation, before
Thermal Pneumatic systems use ___ ___ to prevent the formation of ice on areas such as wings, stabs and engine ______.
Cold air, inlets
Hot air, inlets
Cold air, nose dome
Hot air, exhaust
Older aircraft and some small piston planes use chemical anti-ice systems. What do modern transport type aircraft use for anti-icing?
Thermal, electric
Radiant, heat
Thermal, heat
Electric, radiation
Many electric anti-ice systems use intelligent ___________ with air/ground positioning to decrease the risk of damage from ________ conditions
Outer-facing, overheat
Interfacing, overstress
Interfacing, overheat
Outer-facing, overstress
Engine anti-ice targets are the ____ and ____ ____
IGVs, nose dome
CVGs, nose cone
CVGs, exhaust dome
IGVs, exhaust cone
What are the two types of ice detection?
Alarm & Visual
Visual & Electrical
Advanced & Alarm
Electrical & Advanced
On some older commercial style jet aircraft, this component may be anti-iced using bleed air
Antenna
Fuselage Nose Dome
WOW sensors
APU
What type of anti-ice system uses heating elements embedded in a rubber boot?
Electrical
Chemical
Thermal
Heat
How is chemical fluid applied to the windscreen during icing conditions?
Spray nozzle
Jet blast
Piccolo tube
Frost tube
Prop de-ice fluid is targeted at the blade root by means of the fluid ____ ____
Need shoe
Step shoe
Deed shoe
Feed shoe
What are some of the components that comprise a Prop de-ice system?
Wire harness
De-ice boots
Slip ring
All the above
How is the heat monitored and controlled with an electric anti-ice system?
Timers & control surfaces
Resistors & switches
Ammeter & timer
Resistors & probes
Aircraft ground de-icing involves the total removal of ___, ____ & _____ on all external surfaces prior to operation
Ice, rain & slush
Ice, snow & slush
Ice, snow & frost
Ice, snow & rain
The estimated time a de-ice fluid will remain effective is known as what?
Holdover time
Aerodynamic performance
Effective time
Material compatibility
De-ice fluid property dealing with the viscosity when used is known as what?
Holdover time
Material compatibility
Aerodynamic performance
All the above
What is the name given to the perforated air duct that delivers the hot air to the target areas using thermal anti-ice?
Figaro tube
Piccolo tube
De-ice tube
Probe tube
The ____ types of de-ice fluids are _____ coordinated for specific use
Five, number
Five, color
Four, color
Four, number
What component controls the heat cycle sequence and duration of each prop assembly?
Slip ring
Ammeter
Brush block
Timer
Why does the ice detection system require more than one probe?
Redundancy
Back-up
Alternate
All the above
With this type of ice detection, the pilot is able to see ice forming on the leading edge of the wings from the cockpit
Visual
Manual
Spigot probe
Electrical
Heat for anti-ice on a turbine powered aircraft is supplied by what component?
Engine inlet
Hot section
Engine exhaust
Cold section
How does the electronic ice detection system continue to resample the atmosphere during icing conditions?
Detect element
Shed element
Heat element
Ice element
Areas on the aircraft where no ice is permitted to form is known as ____-___. Areas where ice is permitted to form and then shed is known as __-___
De-ice, no ice
Anti-ice, de-ice
Anti-ice, no ice
De-ice, anti-ice
By using an aerodynamic strut with a _____, an electronic microprocessor incites a high _________ vibration at a preset value to detect ice formation, which _______ the preset value
Sensor, amplitude, increases
Probe, frequency, reduces
Probe, frequency, increases
Sensor, amplitude, reduces
When removing snow from the aircraft skin you must be careful not to ______ any components and this is accomplished by using a ____ brush or squeegee
Damage, soft
Sweep, soft
Sweep, hard
Damage, hard
Some aircraft use a new system to anti-ice the wings by having fluid directed through thousands of small holes in the leading edge. What is this called?
Weeping wing
Bleeding wing
Hot wing
Wet wing
________ heating elements use resistive filaments in ______ or transparent film in _______
Electric, probes, windows
Thermal, probes, antennas
Thermal, probes, windows
Electric, probes, gear doors
Propeller de-ice systems use heating elements to melt the ________ layer of ice and __________ force throws the ice outward from the prop blades
Boundary, centripetal
Primary, centripetal
Boundary, centrifugal
Primary, centrifugal
When used on Propellers, chemical anti-ice fluid is directed to the Prop by means of a _______ ring
Nozzle
Finger
Slinger
Flinger
Engine anti-icing is detected via the ___ probe
PT1
BT1
BT2
PT2
On a piston engine aircraft heat for anti-ice is supplied by what?
Engine exhaust
Combustion heater
Convection heater
Electric heater
During an icing condition, the pilot is able to see the formation of ice by viewing the ______
Probe
Spigot
Landing gear
Ammeter
Chemical anti-ice agents use a mixture of _________ alcohol and ________ glycol for it's use
Isopropyl, ethylene
Naptha, ethylene
Rubbing, ether
Isopropyl, ether
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