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United B737 (pitu) > Flight Control System > Flashcards

Flashcards in Flight Control System Deck (55)
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1

What is the maximum flap extension altitude?
() 10,000 ft.
() 20,000 ft.
() 25,000 ft.

() 20,000 ft.

2

_____________ hydraulic system is capable of providing full power control to the ailerons.
() Only the A
() Only the B
() Either

() Either

3

In the event of total hydraulic power failure, rotation of the pilots’ controls wheels _________ positions the ailerons.
() mechanically
() electrically
() pneumatically

) mechanically

4

If the spoiler system is jammed, force applied to the _____ control wheel provides roll control from the ailerons.

() Captain’s
() First Officer’s

() Captain’s

5

If the aileron system is jammed, force applied to the _____ control wheel provides roll control from the spoilers.

() Captain’s
() First Officer’s

() First Officer’s

6

Any ______ trim applied when the autopilot is engaged can result in an out of trim condition and an abrupt ________ movement when the autopilot is disconnected.
() aileron; rolling
() rudder; yawing
() elevator; pitching

() aileron; rolling

7

The flight spoilers rise on the wing with the up aileron and remain faired on the wing with the down aileron. When the control wheel is displaced more than approximately ____, spoiler deflection is initiated.
() 15 degrees
() 10 degrees
() 5 degrees

() 10 degrees

8

Where is the aileron trim indicator located?
() on the aft overhead panel
() on the center pedal stool
() on top of the control wheel

() on top of the control wheel

9

__________ Aileron Trim Switch(es) repositions the aileron neutral control position.

() Movement of either
() Movement of both
() Movement of the required (Left or Right)

() Movement of both

10

The pitch control surfaces consist of _______ powered elevators and an _______ powered stabilizer.
() hydraulically; electrically
() electrically; hydraulically
() hydraulically; hydraulically

() hydraulically; electrically

11

In the event of a control column jam, an override mechanism allows ___________.

() the captains control column to override the first officer’s control column
() the control columns to be physically separated
() for pneumatic separation of the control column

() the control columns to be physically separated

12

Illumination of the FEEL DIFF PRESS light indicates _______.

() the elevator trim system is inoperative
() excessive differential hydraulic pressure is sensed in the elevator feel computer
() an emergency situation exists due to a complete electrical failure

() excessive differential hydraulic pressure is sensed in the elevator feel computer

13

Engagement and disengagement of the Mach Trim System is accomplished _____________.

() automatically as a function of pressure altitude
() manually by use of the Mach Trim Cutout Switch
() automatically as a function of airspeed

() automatically as a function of airspeed

14

What has occurred when the MACH TRIM FAIL light is illuminated only when the Master Caution Annunciator recall is activated?

() a single channel failure of the mach trim system
() a dual channel failure of the mach trim system
() the mach trim cutout switch has failed

() a single channel failure of the mach trim system

15

The main electric and autopilot stabilizer trim have two modes: high speed with flaps _________ and low speed with flaps _________.

() extended; retracted
() retracted; extended

() extended; retracted

16

If the autopilot is engaged, actuating either pair of stabilizer trim switches ______________.

() overrides the autopilot
() automatically disengages the autopilot
() renders the elevator trim system inoperative

() automatically disengages the autopilot

17

___________ if takeoff is attempted with the stabilizer trim outside the takeoff trim range.

() The Master Caution light illuminates
() The Master Warning light illuminates
() An intermittent horn sounds

() An intermittent horn sounds

18

The stabilizer trim main electric cutout switch and the stabilizer trim autopilot cutout switch are provided to allow the autopilot or main electrical trim inputs to be ____________________.

() disconnected from the single stabilizer trim motor
() disconnected from their respective stabilizer trim motor
() to override to opposing stabilizer trim motor

() disconnected from the single stabilizer trim motor

19

When control column movement opposes trim direction, what occurs?

() The control column actuated stabilizer trim cutout switches stop operation of the main electric only
() The control column actuated stabilizer trim cutout switches stop operation of the autopilot trim only
() The control column actuated stabilizer trim cutout switches stop operation of the main electric and autopilot trim

() The control column actuated stabilizer trim cutout switches stop operation of the main electric and autopilot trim

20

Placing the STAB TRIM override switch to OVERRIDE ____________.
() deactivates the autopilot STAB TRIM system
() electric trim can be used regardless of control column position
() deactivates the main STAB TRIM system

() electric trim can be used regardless of control column position

21

While inflight the SPEED TRIM FAIL light illuminates. What has occurred?

() a single channel failure of the speed trim system
() a dual channel failure of the speed trim system
() the speed trim is operating

() a dual channel failure of the speed trim system

22

___________ operates the rudder.
() Only the A hydraulic system
() Only the B hydraulic system
() Either hydraulic system

() Either hydraulic system

23

Operation of the Rudder Trim Control switch electrically repositions the _______________, which results in a shift in the rudder neutral position.

() rudder pedals
() rudder trim tabs
() rudder feel and centering unit

() rudder feel and centering unit

24

__________ movement results from yaw damper coordination.
() A maximum of 5 degrees of rudder pedal
() A maximum of 10 degrees of rudder pedal
() No rudder pedal

() No rudder pedal

25

On the B737-800, the yaw damper uses _____________.
() hydraulic system A or standby hydraulic system pressure
() hydraulic system B or standby hydraulic system pressure
() hydraulic system A or B

() hydraulic system B or standby hydraulic system pressure

26

The rudder pedals permit limited nose gear steering up to ______ degrees each side of center.
() 7
() 10
() 15

7

27

The Rudder Trim OFF Flag indicates the rudder trim __________.
() is inoperative
() is operative
() indicator is inoperative

() indicator is inoperative

28

Rotating the rudder trim control knob, __________.

() electrically trims the rudder
() hydraulically trims the rudder
() pneumatically trims the rudder

() electrically trims the rudder

29

When the SPEED BRAKE lever is actuated all the spoilers __________.

() extend on the ground and only the flight spoilers extend when the aircraft is in the air
() extend on the ground and in the air
() extend in the air

() extend on the ground and only the flight spoilers extend when the aircraft is in the air

30

Using the flight spoilers during a turn will ___________.

() greatly decrease the roll rate
() decrease rate of descent
() greatly increase the roll rate

() greatly increase the roll rate