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CDC 3E052C Volume 4. Aircraft Arresting Systems > CDC 3E052C Volume 4. Aircraft Arresting Systems > Flashcards

CDC 3E052C Volume 4. Aircraft Arresting Systems Flashcards

1
Q
  1. (601) Which components of the MA–1A arresting barrier provide a certain amount of slack for the arresting cable?

a. Deck hooks.
b. Arresting chains.
c. Webbing assemblies.
d. Intermediate stanchions.

A

a. Deck hooks.

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2
Q
  1. (601) On an MA–1A arresting barrier, the arresting chain is doubled after the first
    a. 30 feet.
    b. 60 feet.
    c. 90 feet.
    d. 120 feet.
A

c. 90 feet.

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3
Q
  1. (601) Which component of the MA–1A arresting system is used to pre-tension the hook cable?
    a. Winch.
    b. Pull lift.
    c. Tension springs.
    d. Pre-tensioning pad.
A

b. Pull lift.

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4
Q
  1. (601) On the MA–1A arresting barrier compressor, what is the normal air pressure stored in the accumulators?

a. 1,200 psi.
b. 1,500 psi.
c. 1,800 psi.
d. 2,100 psi.

A

b. 1,500 psi.

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5
Q
  1. (601) When an aircraft engages the pendant on an E–5 arresting system, tension increases rapidly and causes the

a. webbing to break.
b. shear pins to break.
c. anchor chains to break.
d. arresting cable to engage the main gear of the aircraft.

A

b. shear pins to break.

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6
Q
  1. (602) Which is not a factor in determining the energy-absorbing capacity of the BAK–9 aircraft arresting gear?

a. Brake type.
b. Aircraft weight.
c. Aircraft runout.
d. Engaging velocity.

A

a. Brake type.

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7
Q
  1. (602) What is the rewind time of the BAK–9 aircraft arresting gear with a 950-foot runout?
    a. 3.5 minutes.
    b. 7.5 minutes.
    c. 15 minutes.
    d. 20 minutes.
A

a. 3.5 minutes.

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8
Q
  1. (602) Which component of the BAK–9 hydraulic system supplies the static pressure to the system?
    a. Shuttle valve.
    b. Hydraulic pump.
    c. Cam control valve.
    d. Air-oil accumulator.
A

d. Air-oil accumulator.

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9
Q
  1. (602) On the BAK–9 hydraulic system, the repeated cycling of the shuttle valve from the ON position to the OFF position moves fluid from the

a. reservoir to the brakes.
b. brakes to the accumulator.
c. accumulator to the brakes.
d. accumulator to the reservoir.

A

d. accumulator to the reservoir.

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10
Q
  1. (602) What component on the BAK–9 hydraulic system supplies the hydraulic fluid to the main hydraulic pump through the pump suction line?

a. Accumulator.
b. Shuttle valve.
c. Clutch assembly.
d. Gravity fluid reservoir.

A

d. Gravity fluid reservoir.

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11
Q
  1. (602) What component on the BAK–9 hydraulic system modulates the fluid pressure in the main hydraulic pump circuit?

a. Shuttle valve.
b. Hydraulic pump.
c. Right-angle drive.
d. Cam control valve.

A

d. Cam control valve.

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12
Q
  1. (602) What transmits power through a fluid coupling and gear reducer to rewind the BAK–9 aircraft arresting system?

a. Cummins diesel engine.
b. Packard gasoline engine.
c. High torque electric motor.
d. Wisconsin gasoline engine.

A

c. High torque electric motor.

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13
Q
  1. (603) To avoid obstructing landing aircraft, the BAK–15 arresting system can lower the net in about

a. one second.
b. three seconds.
c. five seconds.
d. fifteen seconds.

A

b. three seconds.

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14
Q
  1. (603) On a BAK–15, what stretches during an arrestment, allowing the arrestment load to be equally distributed among the elementary nets?

a. Test straps.
b. Anchor plates.
c. Shock absorbers.
d. Suspension straps.

A

c. Shock absorbers.

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15
Q
  1. (603) On a BAK–15, what holds the net upright and centered on the runway in its arrestment position?

a. Anchor plates.
b. Anchor straps.
c. Shock absorbers.
d. Suspension system.

A

d. Suspension system.

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16
Q
  1. (603) What component of a BAK–15 arresting system holds the bottom of the net in place on the runway?

a. Anchor plates.
b. Anchor straps.
c. Shock absorbers.
d. Suspension system.

A

b. Anchor straps.

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17
Q
  1. (603) On a BAK–15, what is used to tighten or loosen the net tensioning wire, thus determining the height of the net during an arrestment?

a. Backstop clutch.
b. Lever chain hoist.
c. Tensioning spring.
d. Engine crankshaft.

A

b. Lever chain hoist.

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18
Q
  1. (603) When the BAK–15 stanchions are elevated, they are held securely in the upright position by the

a. limit switch disconnect system.
b. cable support centering system.
c. guy wire anchor support system.
d. over-center locking arm mechanism.

A

d. over-center locking arm mechanism.

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19
Q
  1. (603) When an aircraft engages the BAK–15 arresting system, what causes the net to release from the stanchions?

a. Tear away straps.
b. Shear link devices.
c. Photo electric sensors.
d. Laser disconnect system.

A

b. Shear link devices.

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20
Q
  1. (604) What size is the pendant on a textile brake system?
    a. 3⁄4 inch.
    b. 1 inch.
    c. 1-1⁄4 inches.
    d. 1-1⁄2 inches.
A

c. 1-1⁄4 inches.

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21
Q
  1. (604) What protects the yoke on a textile brake system?

a. Shear links.
b. Retainer nut.
c. Neoprene cover.
d. Short connecting straps.

A

c. Neoprene cover.

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22
Q
  1. (604) When an aircraft engages the textile brake arresting system, the kinetic energy of the aircraft is absorbed when the

a. stanchions are activated.
b. two tearing straps separate.
c. arresting chain is laid out on the runway.
d. steel cable engages the main landing gear.

A

b. two tearing straps separate.

23
Q
  1. (604) In a bidirectional configuration of the textile brake arresting system, how many braking modules are on each side of the braking stage unit?

a. 2.
b. 5.
c. 7.
d. 10.

A

d. 10.

24
Q
  1. (605) How many rubber support blocks does the BAK–14 system have for supporting the pendant two inches above the runway surface?

a. Either 3 or 9.
b. Either 7 or 10.
c. Either 14 or 20.
d. Either 20 or 32.

A

c. Either 14 or 20.

25
Q
  1. (605) How is the BAK–14 support system pendant raised above the runway?
    a. Pneumatic system.
    b. Hydraulic control.
    c. Torsion springs.
    d. Manual control.
A

c. Torsion springs.

26
Q
  1. (605) Which component of the BAK–14 support system contains the operating means to raise and retract the support block?

a. Support box.
b. Trough support.
c. Support control system.
d. Support pneumatic system.

A

a. Support box.

27
Q
  1. (605) Which component of the BAK–14 aids in venting the pneumatic system?
    a. Control switch.
    b. Quick-exhaust valve.
    c. Manual override valve.
    d. Three-way solenoid switch.
A

b. Quick-exhaust valve.

28
Q
  1. (605) On the BAK–14 aircraft arresting support system, what item on each support box arm indicates whether the arm is up or down?

a. Proximity switches.
b. Push button type switches.
c. Mercury-type limit switches.
d. Multi-contact signaling relay.

A

c. Mercury-type limit switches.

29
Q
  1. (605) What is the purpose of the box heater in a BAK–14?

a. Keep the arresting support system at a constant temperature of 50 degrees.
b. Protect the trough sections from freezing moisture.
c. Protect the air cylinder from freezing moisture.
d. Defrost the support box system if it freezes.

A

c. Protect the air cylinder from freezing moisture.

30
Q
  1. (606) If a Type-H aircraft support system is correctly configured, the support blocks will be approximately

a. one foot apart.
b. five feet apart.
c. eight feet apart.
d. twelve feet apart.

A

c. eight feet apart.

31
Q
  1. (606) What houses the hydraulic power unit, sump pump, electrical panel, and heating resistors on a Type-H support system?

a. Retraction module.
b. Motor driver pit.
c. Precast manhole.
d. Trough assembly.

A

b. Motor driver pit.

32
Q
  1. (606) What is the function of the electric motor in the Type-H support system’s motor drive unit?
    a. Move the pendant up and down.
    b. Operate the heaters in the pit and trough.
    c. Create the back-and-forth movement of the ramps.
    d. Drive the hydraulic fluid from the reservoir to the jack.
A

d. Drive the hydraulic fluid from the reservoir to the jack.

33
Q
  1. (606) In a Type-H aircraft arresting support system, what component pulls the support arm and support block back into the lowered position when the ramp moves to the low spot?

a. Torsion spring.
b. Air compressor.
c. Drawback cable.
d. Mechanical lever.

A

c. Drawback cable.

34
Q
  1. (606) What controls the heaters in a Type-H aircraft arresting system?
    a. Thermostats.
    b. Field cabinet.
    c. Limit switches.
    d. Remote sensors.
A

a. Thermostats.

35
Q
  1. (607) For rewind operation, which component of the BAK–12 rewind clutch system connects the rewind sprocket to the reel assembly shaft?

a. Swivel joint.
b. Actuating pump.
c. Selector valve.
d. Friction clutch.

A

d. Friction clutch.

36
Q
  1. (607) What is the ratio of the gear reducer that is attached to the fluid coupling used in the rewind system of the BAK–12 aircraft arresting system?

a. 2-to–1.
b. 5-to–1.
c. 10-to–1.
d. 15-to–1.

A

d. 15-to–1.

37
Q
  1. (607) Why do we need to know the engaging velocity of an arrestment that used the BAK–12 system?

a. To predict the success of future arrestments.
b. To compute the tape maintenance and replacement schedules.
c. To determine whether the aircraft was damaged by the arrestment.
d. To determine whether the BAK–12 components are functioning correctly.

A

c. To determine whether the aircraft was damaged by the arrestment.

38
Q
  1. (607) In the BAK–12 arresting system, the hydraulic pressure gage is used for
    a. controlling the flow of fluid from the pump to the clutch.
    b. measuring the energy-absorbing capacity of the system.
    c. hydrostatic testing and synchronization.
    d. maintaining tape tension.
A

c. hydrostatic testing and synchronization.

39
Q
  1. (607) What component drives the hydraulic system pump on a BAK–12?
    a. Clutch assembly.
    b. Rewind engine.
    c. Needle valve.
    d. Tape reel.
A

d. Tape reel.

40
Q
  1. (607) On the BAK–12, what eliminates tape twist caused by the rolling action of the pendant supports?

a. Deck sheaves.
b. Tape guide.
c. Tire casing.
d. Brushes.

A

c. Tire casing.

41
Q
  1. (607) What size pendant is typically used on operational installations of the BAK–12?
    a. 3⁄4 inch.
    b. 1 inch.
    c. 1-1⁄4 inch.
    d. 1-1⁄2 inch.
A

c. 1-1⁄4 inch.

42
Q
  1. (607) How long does it take to install a BAK–12 in its expeditionary configuration?
    a. 2 hours.
    b. 5 hours.
    c. 8 hours.
    d. 12 hours.
A

c. 8 hours.

43
Q
  1. (608) On the BAK–12, where does a pendant normally show necking down?
    a. Anywhere on the pendant.
    b. In the middle of the pendant.
    c. Around the end of the pendant.
    d. At the centerline of the runway.
A

c. Around the end of the pendant.

44
Q
  1. (608) How many months can the BAK–12 pendant be in service before replacement is required?
    a. 20.
    b. 36.
    c. 40.
    d. 48.
A

b. 36.

45
Q
  1. (608) How can you tell if the tape reeving is wrong on a BAK–12?
    a. You see a distorted hump in the tape.
    b. You cannot see the bitter end.
    c. Metal never touches metal.
    d. Tape twists during engagement.
A

b. You cannot see the bitter end.

46
Q
  1. (608) During which inspection are the rewind engines on the BAK–12 arresting system run for 10 to 15 minutes?

a. Daily.
b. Weekly.
c. Monthly.
d. Quarterly.

A

a. Daily.

47
Q
  1. (608) Why should you inspect the cam index during a BAK–12 daily inspection?
    a. To make sure the cam is set at 175 ± 10.
    b. To determine how much fluid should be added to the reservoir.
    c. To make sure the center of the cam follower lines up with the zero mark.
    d. To ensure the cam index has not been damaged by leaks from the hydraulic system.
A

c. To make sure the center of the cam follower lines up with the zero mark.

48
Q
  1. (608) During the weekly inspection of a BAK–12 aircraft arresting system, you should bleed the brakes while cycling the brake selector off and on until

a. you no longer see air bubbles or surges.
b. there are only a few bubbles in the fluid.
c. the accumulator is at the correct fluid level.
d. there is no fluid showing in the accumulator.

A

a. you no longer see air bubbles or surges.

49
Q
  1. (608) During which inspection do you drain the rewind engine’s exhaust moisture trap on the BAK–12 arresting system?

a. Daily.
b. Weekly.
c. Monthly.
d. Quarterly.

A

b. Weekly.

50
Q
  1. (608) Schedule Bliss brake replacement on the BAK–12 arresting system when the measurement between the pressure plate and the carrier is

a. 1/4 inch.
b. 5/16 inch.
c. 11/16 inch.
d. 1 inch.

A

c. 11/16 inch.

51
Q
  1. (608) When checking the oil level in the BAK–12, you should place the fluid coupling level in what position?

a. 12 o’clock.
b. 9 or 3 o’clock.
c. 10 or 2 o’clock.
d. 11 or 1 o’clock.

A

d. 11 or 1 o’clock.

52
Q
  1. (608) When you are synchronizing a BAK–12 Wisconsin engine, to what revolutions per minute (rpm) do you adjust the pump?

a. 750.
b. 780.
c. 800.
d. 810.

A

b. 780.

53
Q
  1. (608) On a BAK–12 arresting system, why do we need to crop the nylon purchase tape every 6 months?

a. Humidity weakens the tape.
b. High wind can leave holes in the tape.
c. Exposure to rain causes the tape to degrade.
d. Exposure to sunlight causes the tape to lose strength.

A

d. Exposure to sunlight causes the tape to lose strength.

54
Q
  1. (601) When an aircraft nose wheel engages the webbing on an MA–1A arresting barrier, this action triggers a steel cable to engage the aircraft’s

a. tail hook.
b. nose gear.
c. wing frame.
d. main landing gear.

A

d. main landing gear.

CDC 3E052C Volume 4. Aircraft Arresting Systems (1 decks)

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