Review Quiz Week 3 & 4 - FW Control Systems & Rigging
Flight Control Systems & Rigging Quiz
Test your knowledge on flight control systems and rigging with this comprehensive quiz! Cover a variety of topics related to flight controls, cables, pulleys, and more. Perfect for aviation enthusiasts and professionals alike.
Key Features:
- 58 multiple-choice questions
- Covers a wide range of topics
- Ideal for learners and practitioners in the aviation field
What are the names of the 3 elements or sections of any of the Flight Control Systems?
Input, Feedback and Control Surface Sections
Input, Transmitting and Feedback Sections
Rudder, Elevator & Flap Sections
Input, Transmitting & Control Surface Sections
Which type of Control Cable is most widely used for Primary Flight Control Systems
Extra-Flexible
Flexible
Ultra-Flexible
Non-Flexible
What is the purpose of the groove that is machined into the right hand end of the barrel in this image of the turnbuckle?
It is a crimp that will provide a self-locking function at that end of the barrel
It identifies the end with the left hand threads
Where you complete the initial wrap of lock-wire to safety the turnbuckle
It is a manufacturing mark that is used to hold the barrel in the lathe
When using the cable tensiometer, what is the purpose of the three different risers 1, 2C & 3 that were used on the tool and identified on the chart
Different cable diameters
Measuring cable runs that are either straight, curved or a combination of the two
Different lengths of cables
Different cable materials
What is the device that is designed to change the direction of a cable run?
Pressure Seal
Bushing
Pulley
Fairlead
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?
The cable tension was too high
The pulley has seized or is stuck/frozen
The pulley was misaligned
Nothing, that is normal wear
What is the purpose of a Fairlead?
To protect a cable where it passes close to a structure
Change the direction of a control cable
To prevent pressurization air from leaking through the hole that a cable passes through between the cabin and the wing
To help the control system start to move before the control surface moves
When looking at the basic general aviation three cabled control system what is the name of the cable that runs from the right hand aileron bell-crank all the way over to the left hand aileron bell-crank?
Carry-thru or Balance Cable
Pass-over Cable
Indirect Cable
Direct Cable
What is the purpose of the small hole drilled in the body of the spherical rod end assembly in this diagram?
To ensure the rod end is threaded onto the rod far enough
To provide a greasing port for the bearing
It is a hole for lock-wire
It is a hole for a cotter pin
Which device is used to join and adjust the tension of two flight control cables?
Cable system bellcrank
Turnbuckle assembly
For & Eye cable terminal end
Cable control or push/pull rod
When you turn the control wheel to the right and left, which components are you moving within the aircraft?
The bell-cranks inside each wing outboard of the flaps and the ailerons
The bell-cranks inside each wing outboard of the flaps and the elevators
The bell-crank that is attached to the aft side of the horizontal stabilizer and the ailerons
The bell-crank that is attached to the aft side of the horizontal stabilizer and the elevator
What is the purpose of a Pulley Guard?
To limit the wobbling of the pulley on the attaching fixture
To prevent the cable from jumping off the pulley
To help align the pulley on the cable
To protect the pulley from being damaged
What is the name of the device in this picture used to convert the movement of a Trim Tab cable and chain system to a linear motion to move a push/pull rod attached to the tab?
Screw-jack Assembly
Control Quadrant
Torque Tube Assembly
Bell-crank Assembly
When you are inspecting a pulley and you find a flat spot worn into on spot on the groove of the pulley as shown below, what does this indicate about the pulley?
Frozen or seized pulley
Misaligned Pulley
Misaligned cable
Excessive cable tension
What is the purpose of moving the control wheel to the right or left?
To yaw the aircraft to the right or left
To turn the nose wheel to the right or left
To pitch the aircraft to the right or the left
To roll the aircraft to the right or the left
Which of the following is not a purpose of the floor-mounted pedals in from of the pilot?
Brake actuation
Nose wheel steering
Rudder control
Increase engine power
What is the purpose of pushing the control column forward?
Deflect the elevator to pitch the nose of the aircraft up
Deflect the rudder to pitch the nose of the aircraft down
Deflect the elevator to pitch the nose of the aircraft down
Deflect the ailerons to roll the nose of the aircraft down
What is a common use for Non-flexible 1X7 or 1X19 control cables?
Rudder system controls
Trim Tab system controls
Aileron system controls
Engine controls
What is a common use for 1/8" diameter extra-flexible 7X19 control cables?
Primary flight controls
Secondary flight controls
Environmental system controls
Engine controls
What is the main purpose of rubbing a rag along a cable run during an annual inspection?
To ensure that there are no kinks
To ensure there are no sections of popped core
To check for broken wire strands
To check for worn wire strands
When swaging a terminal end on a cable, once completed, how do you ensure a properly installed swaged-type terminal end?
Using a "Go-No Go Gauge" to measure dimensions
Complete a pull test on the terminal end to ensure crimp
The use of the proper swaging tool ensures correct installation
We do not swage ends onto cables
When installing a Nicopress cable sleeve on a 1/8th inch diameter cable, how many compressions are on the sleeve?
1
2
3
4
In accordance with AC 43:13-1B, when is there enough wear on a cable to require replacement of the cable assembly?
When there are any wear marks at all on individual strands of the cable
Once there is greater than 60% wear on an individual wire
Once there is 40% to 50% wear on individual wire strands
Once there is 40% to 50% wear on an individual wire bundle
Which method of securing a turnbuckle prevents any rotation or twisting of the barrel once installed?
Neither
Both
Lockwire
Locking clip
What is the maximum number of exposed threads on the cable end allowed outside of the turnbuckle end when tensioning a cable system?
2
3
4
5
When using the single wrap 0.040 lock-wire method for safetying a turnbuckle assembly, what is the minimum number of wraps at each end?
2
3
4
5
What is the purpose of the Pulley Guard?
To protect the pulley from damage
To protect the cable from damage
To replace a standard pulley in an extreme environment
To prevent the cable from falling out of the groove
Why is it important to rotate pulleys that only turn through a small arc during an inspection?
To make sure they do not turn too much
To provide a new bearing surface for the cable
To make sure there is enough resistance to rotation to prevent excessive vibration
This is not a practice during inspection
What is the issue if I can see the pattern of the cable over the entire surface of the pulley groove?
Excessive cable tension
No issue that is normal wear
Pulley misaligned
A frozen or seized pulley bearing
What is the purpose of the cable tensioner within the flight control system?
To allow for decreased cable tensions for higher control surface loads
To allow for increased cable tensions for lower control surface loads
To maintain cable tension during long term exposures to various outside air temperatures
To allow for increased cable tensions for higher control surface loads
When adjusting the length of a "Push/Pull or Control Rod" assembly, how do you know that there is enough thread engagement inside of the rod end assembly?
Measure the length of the exposed threads on the rod assembly
Make certain that you can pass a piece of lockwire through the "witness hole" drilled into the rod end assembly
Make certain that you can not pass a piece of lockwire through the "witness hole" drilled into the rod end assembly
Make certain that you are able to apply the proper torque to the jam nut without damaging the threads of the rod end assembly
Which of the following statements about fairleads and rub strips is not correct?
They can be made of phenolic or plastic
They can change the cable direction up to a maximum of 15 degrees
The guide the cable to prevent wear
They help to prevent cable vibration
What device limits the control system travel at the output end of the system?
Limiters
Bellcrank blocks
Primary stops
Secondary stops
What device limits the control system travel at the input end of the system?
Limiters
Bellcrank blocks
Primary stops
Secondary stops
What are the components of the Cessna Aileron Control System reviewed in class?
Two direct cables, one carry-thru cable, one bellcrank and one push-pull tube in each wing
Two carry thru cables, one direct cable, one bellcrank and one push-pull tube in each wing
Two direct cables, one carry-thru cable, two bellcranks and one push-pull tube in each wing
Two direct cables, one carry-thru cable, one bellcrank and two push-pull tubes in each wing
What is the purpose of the down spring system used in the elevator system discussed?
To provide the pilot with control system artificial feel or feedback when moving the control column
To assist the pilot to maintain a nose down attitude
To assist the pilot returning the elevator from an upward trailing edge deflection to neutral position
To assist the pilot returning the elevator from a downward trailing edge deflection to neutral position
On the small aircraft flap systems discussed, what controls the operation of the motor system moving the flap drive system?
Micro-switches
Angle of attack indicator
Sequence valves
Relay assemblies
What is the pivot point for a trimmable horizontal stabilizer (THS) system?
Leading edge or forward attach point of the horizontal stabilizer
Trailing edge or rear attach point of the horizontal stabilizer
Elevator hinge point
Elevator Trim tab hinge
Where will you find the travel limitations for the deflection limits for a given aircraft (how far in each direction)?
In the Aircraft Illustrated Parts Catalog (IPC)
In the Aircraft Type Certificate Data Sheet
In the AC 43:13-1B, 2A Acceptable Practices Techniques & Practices Manual
In the Pilot's Operating Handbook
In the Control Rigging Basic Information, what is supposed to be the most current and up to date status?
The instructions for the use of the Tensiometer
The instructions for the use of the Digital Protractor
The Manufacturer's Technical Publications
The aircraft Certificate of Registration & Certificate of Airworthiness
What was the common purpose of all of the rigging pins and rigging tools discussed during the slides relating to both the generic and the Cessna and Piper rigging processes?
Lock the control system components in full up deflection position
Lock the control system components in full down deflection position
Lock the control system components in the neutral position
There was no specific purpose discussed
According to the Generic Flight Control Rigging Process, what is the first step to accomplishing the rigging of the control system
Adjust the cable tension to limits
Synchronize and neutralize the Control Input
Adjust the position of the bellcrank out in front of the control surface to position the bellcrank in neutral
Adjust the Primary Stops to limit surface travel
As outlined in the Generic Rigging Process, what is the final or last step to accomplishing the rigging of the control system?
Adjust the cable tension to limits
Synchronize and neutralize the Control Input
Adjust the position of the bellcrank out in front of the control surface to position the bellcrank in neutral
Adjust the Primary Stops to limit surface travel
How is the rigging of the flight Control System certified on an aircraft in Canada?
Maintenance Release
Return to Service
Authorized Release Certificate
Airworthiness Release
When referring to the four elements of the Dual or Independent Inspection, which of the following best describes the term "Fit"?
All control surface deflection travels are within the limits specified
All items disconnected or disassembled have been assembled properly, have the correct tension and clearances
Locking devices have been installed correctly and are secure
Control surface movement direction is correct as it relates to control input movement
When referring to the four elements of the Dual or Independent Inspection, which of the following best describes the term "Sense of Motion"?
Locking devices have been installed correctly and are secure
All items disconnected or disassembled have been assembled properly, have the correct tension and clearances
Control surface movement direction is correct as it relates to control input movement
All control surface deflection travels are within the limits specified
When referring to the four elements of the Dual or Independent Inspection, which of the following best describes the term "Range of Motion"?
All control surface deflection travels are within the limits specified
Locking devices have been installed correctly and are secure
Control surface movement direction is correct as it relates to control input movement
All items disconnected or disassembled have been assembled properly, have the correct tension and clearances
When you are checking aileron control surface travel, what position should it be in to start the process?
Full up
Full down
Neutral
Control Wheel all the way back
According to the generic Rigging Instructions, what can be done if there is the correct amount of control travel in one direction but too much travel in the other direction during the control travel check?
Adjust one of the primary control stops
Adjust the cable tension
Synchronize the control input again
Adjust one of the secondary control stops under the instrument panel
According to the final step of the Generic Rigging Instructions what can be done if we have too much control surface travel in one direction and correct in the other direction during our surface travel check?
Adjust one of the primary control stops
Adjust one of the secondary control stops
Synchronize the control input
No action, there is nothing left once you have set the cable tension
In accordance with the generic and the fixed and rotary wing aircraft type specific rigging instructions discussed in class, during the adjustment of the control system which of the following tasks is carried out first?
Synchronize and neutralize the control wheels or input
Adjust the primary control stops
Adjust cable tensions
Neutralized the bell-cranks in front of the ailerons
During the rigging of the transmitting system, how do you ensure that the bellcranks and the control wheel assemblies remain in the neutral position?
Adjust each item only a little at a time
Have someone hold the control wheel
Install locking pins or locking fixtures
Use clothes peg clamps and "Vise Grips" to hold neutral position
Using the tensiometer Calibration Sheet attached, what size of Riser will you use for a 5/32 inch cable diameter?
Any
#1
#2C
#3
Using the tensiometer Calibration Sheet attached, what size of Riser will you use for a 3/32 inch cable diameter?
#1
#2C
#3
Any of the risers
Using the Tensiometer Calibration Card Attached, What would be the actual tension of a 3/32" diameter cable if the tensiometer needle reads 30?
26 pounds
35 pounds
30 pounds
45 pounds
Using the Tensiometer Calibration Card attached, what would be the tensiometer needle read if the actual tension required was 10 pounds for a 1/16" diameter?
Reading of 0
Reading of 6
Reading of 10
Reading of 15
Using the Tensiometer Calibration Card attached, what would be the tensiometer needle read if the actual tension required was 40 pounds for a 1/8" diameter?
Needle reeds 50
Needle reeds 40
Needle reeds 38
Needle reeds 27
Using the Tensiometer Calibration Card attached, which of the following cable diameters will not have a tensiometer needle reading of 40 for an actual tension of 50 pounds of tension?
3/32" diameter
1/8" diameter
3/16" diameter
7/32" diameter
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