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B756 SV (Systems Validation) > Landing Gear > Flashcards

Landing Gear Flashcards

1
Q

1) 757/767: Inflight and ground operation of various aircraft systems are controlled by the
air/ground sensing system and the nose air/ground sensing systems. They receive logic
signals from:
a) Tilt sensors located on each main landing gear and nose gear strut compression
sensors
b) Tilt sensors located on each main landing gear and IRU pitch information
c) Main landing gear strut compression sensors
d) Nose gear strut tilt sensors

A

a) Tilt sensors located on each main landing gear and nose gear strut compression
sensors

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2
Q

2) 757/767: With the rejected takeoff (RTO) mode armed, the autobrake system applies
maximum braking when:
a) Both thrust levers are retarded to idle above 80 knots
b) Both thrust levers are retarded to idle above 75 knots
c) Either thrust lever is retarded to idle above 85 knots
d) Both thrust levers are retarded to idle above 85 knots

A

d) Both thrust levers are retarded to idle above 85 knots

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3
Q 
3) 763: The alternate landing gear extension system uses \_\_\_\_\_\_\_ to trip the locking
mechanism for each gear.
a) A pneumatic powered hydraulic pump
b) An electric motor
c) A bleed air pump
d) Explosive squibs
A

b) An electric motor

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4
Q

4) 753/767: The TAILSKID light illuminates and the EICAS advisory message TAILSKID
displays when:
a) The tailskid position disagrees with the landing gear lever position
b) The tailskid is moving during normal gear retraction and extension cycle
c) The tailskid position disagrees with the landing gear position
d) A tailstrike has been detected

A

a) The tailskid position disagrees with the landing gear lever position

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5
Q

5) 757/763: The landing gear lever is placed in the OFF position to:
a) Engage the gear and door uplocks
b) Allow the gear doors to close and lock
c) Arm the system for normal and alternate extension
d) Depressurize the landing gear system

A

d) Depressurize the landing gear system

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6
Q

6) 757/767: The ______________ if the RESERVE BRAKES (757), or RESERVE BKS &
STRG (767) is selected and pressure is available.
a) RESERVE BRAKES or RESERVE BKS & STRG switch is illuminated with an ON
indication
b) BRAKE SOURCE light and EICAS message illuminate
c) BRAKE SOURCE light and EICAS message extinguish
d) RESERVE BRAKES or RESERVE BKS & STRG switch is illuminated with an
AUTO indication

A

c) BRAKE SOURCE light and EICAS message extinguish

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7
Q

7) 757: When the RESERVE BRAKES switch is activated, fluid from ___________ is made
available for reserve brakes operation.
a) Below a standpipe in the right hydraulic system
b) Below a standpipe in the left hydraulic system
c) Below a standpipe in the center hydraulic system
d) The accumulator in the right hydraulic system

A

a) Below a standpipe in the right hydraulic system

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8
Q 
8) 757/767: Limited steering control is available through the rudder pedals, allowing turns
up to \_\_\_\_ in either direction.
a) 12°
b) 15°
c) 7°
d) 22°
A

c) 7°

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9
Q

9) 757/767: The normal brake system is powered by the ______ hydraulic system.
a) Center
b) Right
c) Left
d) Left and right

A

b) Right

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10
Q

10) 757/767: The alternate brake system has all the capabilities of the normal brake system
except for _________, which requires that the normal antiskid system is operating.
a) Hydroplaning protection
b) Nosewheel braking
c) Wheel lock-up protection
d) Automatic braking

A

d) Automatic braking

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11
Q

11) 757/767: The BRAKE SOURCE light illuminates and the corresponding EICAS message
displays if:
a) Normal brake system pressure is low
b) Alternate brake system pressure is low
c) Both the normal and alternate brake system pressures are low
d) Accumulator brake system pressure is low

A

c) Both the normal and alternate brake system pressures are low

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12
Q

12) 757/767: The autobrake system disarms immediately without pilot input when:
a) The left IRU fails
b) An autobrake or alternate antiskid system fault occurs
c) The right IRU fails
d) An autobrake or normal antiskid system fault occurs

A

d) An autobrake or normal antiskid system fault occurs

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13
Q

13) 767: The alternate brake system is powered by the ________ hydraulic system.
a) Left
b) Right
c) Center
d) Center and left

A

c) Center

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14
Q

14) 767: When the RESERVE BRAKES & STRG switch is activated, fluid from the
___________ is made available for reserve brakes operation.
a) The right hydraulic system reservoir
b) The left hydraulic system reservoir
c) The center hydraulic system reservoir
d) The left and center hydraulic system reservoirs

A

c) The center hydraulic system reservoir

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15
Q

15) 764: The alternate landing gear extension system uses ________ to release all door and
gear uplocks, and allow the landing gear to free-fall to the down and locked position.
a) Explosive squibs
b) An electric hydraulic pump
c) A bleed air pump
d) A pneumatic powered hydraulic pump

A

b) An electric hydraulic pump

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16
Q 
16) 757: A white BRAKE TEMP light indicates a relative brake temperature of \_\_\_\_ or
greater exists on one or more brakes.
a) 9
b) 7
c) 6
d) 5
A

d) 5

17
Q

17) 757/767: The tiller can turn the nose wheel up to ____ in either direction.
a) 50°
b) 30°
c) 7°
d) 65°

A

d) 65°

18
Q

18) 757: In the event of a total electrical failure, the landing gear can be extended:
a) By using hydraulic motor generator (HMG) power
b) By using normal gear extension
c) By using the alternate gear extension
d) By using manual extension

A

b) By using normal gear extension

19
Q

19) 757/767: When using the alternate brake system, what antiskid protection is provided?
a) Normal (individual wheel) antiskid
b) Alternate (paired wheel) antiskid
c) Backup (paired wheel) antiskid
d) There is no antiskid provided

A

b) Alternate (paired wheel) antiskid

20
Q 
20) 764: If any brake temperature is \_\_\_\_ or more, a BRAKE TEMP EICAS message
displays.
a) 6.2
b) 3.5
c) 2.5
d) 5.0
A

d) 5.0

21
Q

21) 757/767: According to the graphic, the AUTO BRAKES light is illuminated because:
a) The autobrake system is armed
b) The autobrake system is currently braking
c) Rejected takeoff (RTO) mode is armed
d) The autobrake system is disarmed or inoperative

A

d) The autobrake system is disarmed or inoperative

22
Q

22) 757/763: The PARK BRAKE light illumination on the pedestal indicates that:
a) The parking brake is set
b) The parking brake handle is not stowed
c) The parking brake handle is stowed
d) The parking brake pressure is low

A

b) The parking brake handle is not stowed

23
Q

23) 757: When the RESERVE BRAKES switch is activated, fluid trapped below a standpipe
in the right hydraulic system reservoir is made available to the _________.
a) Right system electric hydraulic pump
b) Center No. 1 electric hydraulic pump
c) Left system electric hydraulic pump
d) Center No. 2 electric hydraulic pump

A

a) Right system electric hydraulic pump

B756 SV (Systems Validation) (17 decks)

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