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Airframe Aerodynamics

A detailed illustration of an aircraft showcasing its aerodynamics, with labeled components such as wings, fuselage, and control surfaces against a blue sky background.

Airframe Aerodynamics Quiz

Test your knowledge of airframe aerodynamics with our comprehensive quiz! This quiz is designed for aviation enthusiasts, students, and professionals looking to enhance their understanding of aircraft systems and regulations.

Key Features:

50 multiple-choice questions
Covers essential topics like CAR standards, flight control surfaces, and inspection methods
Perfect for certification preparation and academic study

50 Questions12 MinutesCreated by FlyingEagle547

Select the correct answer describing CAR Part 5?

General Provisions

Aircraft ID, Registration

Personnel Licensing and Training

Airworthiness

Select the correct answer that best describes CAR as pertaining to aviation.

CAR is the 4 wheel drive vehicle that you use to tow aircraft at the airport.

CAR contains the instructions to service and repair aircraft systems, for example, instructions to change an aircraft tire.

CAR are the rules that govern civil aviation in Canada.

CAR contains the part numbers for aircraft parts.

CAR Standard 571.10 (d) references _________________.

Maintenance Releases

Work that disturbs Engine or Flight Controls

The maintenance release contains the signatures of 2 licensed AMEs

All of the above

Select the correct answer describing CAR Standard 571.03?

Recording of Maintenance and Elementary Work

Installation of New Parts

Reporting Major Repairs and Major Modifications

Upholstery work in business jets

In the term W.H.M.I.S, what does the “H” and “M” stand for? (Safety Module #1)

Hazardous Materials

Hazardous Metals

Helpful Materials

Harmful Materials

Select the correct answer describing the W.H.M.I.S. System at the workplace?

To train employees to be more productive and work quickly and safely

To provide employees information to handle hazardous goods and materials safely

To train and license employees to drive vehicles (like forklifts & trucks) safely while in the workplace

Is an optional program for the employer to provide employees information about handling workplace materials

Referencing the label diagram, select the correct answer for the top Red section.

It is the highest level Healh Hazard.

It is a middle level Fire Hazard.

Ii is a low level Health Hazard

It is the highest level Fire Hazard

Referencing the label diagram, select the correct answer for the Blue section.

This warns of the highest level of Health hazard.

This warns of just under the half way level of Health hazard, it is 4 out of 10.

This is Level 4 for PPE equipment needed to work safely.

This is the lowest (least) level of Health Hazard.

What approved document will you find approved information to rig the Mooney M20C 'Ranger' elevator surface travels?

Mooney M20 IPC

The Internet, Google

Mooney M20 TCDS (Type Certificate Data Sheet)

Any other series/model of the Mooney MM is acceptable to rig the rudder on the M20 "C" aircraft model

The rod-ends of the Push-Pull tube are adjustable, how would you secure (lock) the rod end after adjustments were made?

For Safety you must use rivets to lock the rod-end in place

Rod-Ends are self adjusting to be ‘In Safety’, no locking is needed

For Safety you must use LockTite to chemically lock the rod-end

Rod-Ends are locked using a Checknut

What is the function of the Torque Tube?

To provide 2 way force, push and pull

To provide rotary action to transmit forces

To measure the tightness (torque) of aircraft hardware

To provide linear force

How can you adjust the flight control surface travel using the push-pull rod assembly in this diagram?

Loosen the check-nuts, adjust the rod end length, re-torque the check-nuts

You accomplish approved bending the rod iaw MM instructions

You would cut the rod and accomplish TC approved welding to alter length

There are no adjustments available on this push-pull rod

Select the correct answer describing standard Trim Tabs.

They are an auto-pilot system

Are trailing edge device on Ailerons, Elevators and Rudders

They are leading devices on aircraft wigns

Standard Trim Tabs deflect in the same direction as the control surface, for example if the elevator deflects upward, the elevator trim tab also deflects upward

If the pilot adjusts the Elevator trim tab upward (tab's trailing edge moves up) what affect will this have on the aircraft?

Aircraft's nose will pitch down

Aircraft's nose will pitch up

Aircraft will yaw left

Aircraft will yaw right

On a Cessna 172, what is the device shown by the arrow in these 2 photographs?

Pilot adjustable rudder trim tab

A simple extension to the rudder

Part of the vertical stabilizer

Ground adjustable trim tab

What is the function of the Anti-Servo trim tab?

Anti-Servo trim tabs are a separate pilot trim control to 'trim' the flight control for hands-free flying to reduce pilot fatigue during long flights

Anti-Servo trim tabs make moving the flight controls easier by reducing the pilot force required at the control wheel

Anti-Servo trim tabs double the degrees of deflection of the control surface

When the trailing edge of the flight control surface moves up the trailing edge of the Anti-Servo Tab also moves up creating an opposing force

Select the correct answer for the LPI process. (LPI = Liquid Penetrant Inspection)

Can only use on Non Ferrous metals

Can only use on Ferrous metals

Can use on Ferrous and Non-Ferrous metals

Can only use on Aluminum parts

Select the true statement regarding the LPI process. (LPI = Liquid Penetrant Inspection)

LPI can check for sub-surface cracks in the metal.

LPI uses red dye penetrant and florescent penetrant to inspect for cracks in the metal

LPI can only be used on Ferrous metals

LPI generates a magnetic field to check for cracks in the metal

Referencing the LPI process, what is Dwell Time? (Module #9)

Dwell time is you must clean the part for 10-20 minutes

Leaving the penetrant on the part for 10-30 minutes

It is using the black-light for inspecting the florescent dye penetrant

Dwell is the acceptable/non-acceptable crack dimensions found in the metal being tested

One of the benefits of using the MPI (Magnetic Particle Inspection) process is ...

MPI can check for metallurgical integrity on Ferrous and Non-Ferrous metals

MPI is very effective for inspecting various Aluminum Alloys

MPI uses florescent dye that provides a vivid indication of cracks in metal

MPI can detect surface or sub-surface cracks in the steel parts

You have the following items: a Yoke, tiny iron particles and a crankshaft, which answer is associated with these 3 items?

LPI

Visual Inspection

MPI

Eddy Current Testing

What is the purpose of the Inclinometer on an aileron as seen here on the diagram?

It measures the tension of the aileron cable

The indication 0.00 means that the inclinometer's battery is dead

The 0.00 indicates the present degrees of deflection on this aileron

The aileron is in the full 'up' deflection and the inclinometer has been 'zeroed' to reference and measure the degrees of downward deflection

Typically, when measuring the travel of an aircraft flight control surface, when is the Inclinometer set to zero degrees?

When the control surface is in the full up deflection position.

When the control surface is in the full down position.

When the control surface is perfectly level (even) with the horizon.

When the control surface is in the neutral position.

During our Cessna 172 Elevator Rigging project, what is the elevator neutral position on the Cessna 172N you worked on

The elevator outboard balance weight must be flush with the top of the horizontal stabilizer.

The main surface of the elevator must be aligned with the main horizontal stabilizer's surface, disregarding the balance weight.

The elevator must be deflected full 'Up' position, that is regarded as the 'zero degree' reference to rig all other elevator positions downward

The elevator must be deflected full 'Down' position, that is regarded as the 'zero degree' reference to rig all other elevator positions upward

Select the true statement regarding Angle Of Attack?

The relative wind into the rudder is AOA

It is the angle created by the wing's Chordline and the relative wind

Is the camber of the wing

It is the rate of climb or the angle of the aircraft during take-off

What is it meant by the term Aircraft Axis and what are they?

Imaginary lines through the aircraft that the aircraft will move around: Vertical, Lateral and Longitudinal

Imaginary lines through the aircraft identifying dimensions of the aircraft: Fuselage, Wing & Water Lines

Imaginary lines through the aircraft that the aircraft will move around: center of wheels on the Landing Gear, Lateral and Horizontal

Imaginary lines through the aircraft that the aircraft will move around: Vertical, Lateral and Pitch

When you turn the flight deck control wheel/yoke to the right and left, which components are you moving within the aircraft?

The bell-crank that is attached to the aft side of the horizontal stabilizer and the elevator

The bell-crank that is attached to the aft side of the horizontal stabilizer and the ailerons

The bell-cranks inside each wing to adjust aileron trim tabs

The bell-cranks inside each wing at and the ailerons

The motion of Bank or Roll, is an action which is controlled by which flight control surface(s)?

Ailerons

Elevator

Rudder

Flaps

What is the device that is designed to change the direction of a cable run?

Fairlead

Bushing

Pulley

Pressure Seal

When you are inspecting a Pulley and you find that the pattern of the cable has been pressed into the groove of the pulley, what does this indicate?

This shows normal wear on a pulley

The cable tension was too high

The pulley was misaligned

The pulley has seized or is stuck/frozen

What is the purpose of a Fairlead?

Change the direction of a control cable

To protect a cable where it passes close to a structure

To prevent pressurization air from leaking through the hole that a cable passes through between the cabin and the wing

To adjust the flight control surface degrees of deflection

What is the purpose of a Pulley Guard?

To protect the pulley from being damaged

To help align the pulley on the cable

To limit the wobbling of the pulley on the attaching fixture

To prevent the cable from jumping off the pulley

When you are inspecting a pulley and you find a flat spot worn into one side of the pulley as shown below, what does this indicate about the pulley?

Misaligned Pulley

Frozen or seized pulley

Misaligned cable

Excessive cable tension

What is the purpose of the groove that is machined into the right end of the barrel in this image of the turnbuckle?

Where you complete the initial wrap of lock-wire to safety the turnbuckle

It is a crimp that will provide a self-locking function at that end of the barrel

It identifies the end of the barrel with the left hand threads

It is a manufacturing mark that is used to hold the barrel in the lathe

What is considered “in safety” for the turnbuckle?

Rod end thread count does not matter as long as you have tightened the turnbuckle to attain the correct cable tension iaw MM

Thread count does not matter as long as you use a chemical bonding product such as Lock-Tight

The rod ends must have 3 or less threads exposed

The rod ends must have 6 or less threads exposed

When cable tensioning is complete how do you lock (safety) the turnbuckle.

Only using lockwire

Only using locking clips

Using a chemical thread lock

Using lockwire or locking clips depending on the turnbuckle

In the Nicopress diagram, what is the part #3?

Sleeve

AN100

Cable

The entire Nicopress final assembly

Select the answer that correctly describes the attached diagram?

The gauge measures if the sleeve has been compressed enough iaw the gauge gap.

The gauge measures if the sleeve has been compressed to much, is to small or overcompressed

The gauge measures the sleeve dimensions before sleeve is compressed

The gauge measures and confirms the cable diameter before compressision

Regarding Human Factors In Aircraft Maintenance, select the correct answer that describes a LINK in the chain.

An aircraft maintenance error, no matter how minor it may seem, can add a link to the chain and increase the risk of an incident

Chains are used to tie down the aircraft when storm winds are expected

Chains are used to tow aircraft around airports

Chains are used to secure an AME (Aircraft Maintenance Engineer) when they are working at high heights from the ground

Getting training on a specific aircraft type/model is a good safety net for _________.

Lack of teamwork

Lack of resources

Lack of communication

Lack of knowledge

When a mechanics attention during a task is taken away, the most likely cause is ___________.

Complacency

Distraction

Pressure

Stress

Select the correct answer defining a "Safety Net" for Human Factors?

A regulation put in place to prevent an error from occurring

A net placed under technicians when they are working in high aircraft locations

A cover net that prevents aircraft parts and hardware from falling on the floor and getting damaged

A mesh container used to hold the Employee Safety Program Binder

Referencing the Tensiometer diagram, what does the red pointer read in the 0-100 gauge?

The diameter of the flight control cable

The actual tension of the cable in pounds

It displays/measures the torque at turnbuckle barrel

It displays a reference value that must be checked on a chart for actual cable tension

Select the correct answer that best describes the cable shown in the diagram?

It is 7x19 and 3/8" diameter

It is 1x7 and 3/8" diameter

It is one strand and 3/8" diameter

It is 3/8" diameter

Referencing the diagrams attached here, which riser will you use for this measurement? (CABLE THICKNESS 1/4')

1/4

Referencing the diagrams attached here, what is the cable's tension at the aircraft? (CABLE THICKNESS 1/4,DIAL READING 84 LBS))

0 (zero) lbs

84 lbs

115 lbs

150 lbs

What is the purpose of a winglet?

To provide a place for airlines to paint their logo to advertise their company

Winglets assist the ailerons during turn and roll during flight

To decrease wing tip vortices therefore creating additional lift efficiency

They act as flaps to assist the aircraft during landing flight phase

Select the correct answer that identifies a Stall switch?

During an aircraft stall the Pilot will select the Stall switch to 'On' for aircraft to automatically recover from the stall.

High and Low pressures occurring on the leading edge of the wing will cause this switch to open or close.

This switch will inform the pilots that the landing gear are down and locked.

Will inform the pilots when the aircraft wing is within its normal designed angle of attack

Select the correct answer identifying a Stick Shaker?

Is a warning to the pilots that the flight control surfaces travels are out of upper and lower travel limits (tolerances)

Provides a loud whistle in the flight deck to warn the pilots of a stall condition

This is a maintenance function, selecting the stick shaker to 'on' allows the flight control cable tensions to balance on both sides of the cable circuit

Is a mechanical device that noisily vibrates the control yoke of an aircraft to warn the pilots of a stall

Select the answer that identifies a pneumatic stall warning?

An air pump blows air through the horn during a stall

During a stall the pilot blows through the horn to warn the passengers of impending turbulence from the stall

Low pressure causes air suction thru a horn sounding the Stall Warning in the cockpit

The horn is programmed to play different music during different stall conditions, including music from horror movies during extreme stall conditions

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