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United B756 SV Question > Landing Gear (FM: 6.140) > Flashcards

Landing Gear (FM: 6.140) Flashcards

1
Q

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) IRU and radio altimeter inputs
b) Main gear tilt sensors and the nose gear strut compression sensors
c) CADC sensors and IRU climb sensors as the airplane becomes airborne
d) A complex combination of IRU, radio altimeter, and CADC sensory inputs

A

B) Main gear tilt sensors and the nose gear strut compression sensors

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2
Q

757/767: With the rejected takeoff (RTO) mode armed, the autobrake system applies maximum braking when:

a) Either thrust lever is retarded to idle above 90 knots
b) Both thrust levers are retarded to idle at any speed
c) Either thrust lever is retarded to idle above 80 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

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

A

B) An electric motor

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4
Q

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) Indications are normal during gear extension or retraction
c) The tailskid position disagrees with the landing gear position
d) A tailskid strike occurred during the takeoff

A

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

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5
Q

757/763: The landing gear lever is placed in the OFF position to:

a) Arm the AC motors for normal extension
b) Allow the gear and gear door locks to be pressurized
c) Allow the Gear to be held UP by using a pneumatic air pump
d) Depressurize the landing gear system

A

D) Depressurize the landing gear system

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6
Q

757/767: The ______________ if the RESERVE BRAKES (757), or RESERVE BKS & STRG (767) is selected and pressure is available.

a) BRAKE SOURCE light is visible
b) RESERVE BRAKES or RESERVE BKS & STRG switch is illuminated with an ON and AUTO indication
c) BRAKE SOURCE light is not visible
d) RESERVE BRAKES or RESERVE BKS & STRG switch is not illuminated but has a OFF and AUTO indication

A

C) BRAKE SOURCE light is not visible

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7
Q

757: When the RESERVE BRAKES switch is activated, fluid from the ________ hydraulic system reservoir is made available for reserve brakes operation.
a) Right
b) Center
c) Left
d) Left and right

A

A) Right

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8
Q

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

757/767: The normal brake system fluid is provided by the ______ hydraulic system.

a) Center
b) Right
c) Left
d) Left and right

A

B) Right

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10
Q

757/767: If the alternate brake system is active, are automatic braking capabilities provided?

a) Yes, since there is hydroplaning protection
b) Yes, since there is wheel lockup protection
c) No, since there is no skidding protection
d) No, since there is no individual wheel protection

A

D) No, since there is no individual wheel protection

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11
Q

757/767: The BRAKE SOURCE light illuminates and the corresponding EICAS message displays if:

a) The normal brake system is available
b) The alternate brake system is available
c) Both the normal and the alternate brake system pressures are low
d) Accumulator pressure is in the amber band

A

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

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12
Q

757/767: The autobrake system disarms immediately when:

a) Left IRU selector switch is placed in the ATT position
b) Left IRU fails
c) Loss of air pressure in the left pneumatic duct
d) Auto brakes or normal anti-skid system fault occurs

A

D) Auto brakes or normal anti-skid system fault occurs

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13
Q

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

A

C) Center

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14
Q

767: When the RESERVE BRAKES & STRG switch is activated, fluid from the ________ hydraulic system reservoir is made available for reserve brakes operation.
a) Left
b) Right
c) Center
d) Left and Center

A

C) Center

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15
Q

764: The alternate landing gear extension system uses ________ to extend the landing.
a) Explosive squibs
b) An electric hydraulic pump
c) An alternate gear pneumatic air pump
d) An alternate AC powered electrical pump

A

B) An electric hydraulic pump

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16
Q

752RR/753: 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

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

757/767: If the RESERVE BRAKES (757), or RESERVE BKS & STRG (767) brakes systems are active, can the autobrake system be used?.

a) No, but can be used when accumulator brakes are available
b) No, normal brakes must be available
c) Yes, but only when alternate brakes are available
d) Yes, but only when accumulator brakes are available

A

B) No, normal brakes must be available

19
Q

757: In the event of a total electrical failure, the landing gear can be extended:
a) By activating the HMG power switch
b) By using normal gear extension
c) By using the alternate gear extension
d) By verifying PTU operation then use the alternate gear extension

A

B) By using normal gear extension

20
Q

757/767: When using the alternate brake system, what anti-skid protection is provided?

a) Protection to cross wheels
b) Protection to paired wheels
c) Protection to individual wheels
d) There is no anti-skid protection available

A

B) Protection to paired wheels

21
Q

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

A

D) 5

22
Q

757/767: According to the graphic, the AUTO BRAKES light is illuminated because:

a) The system is active for landing
b) The system is active in RTO
c) The system is armed for RTO
d) The system has disarmed or is inoperative

A

D) The system has disarmed or is inoperative

23
Q

757/763: The landing gear lever is placed in the OFF position after takeoff in order to:

a) Arm the AC motors for normal extension
b) Allow the gear and gear door locks to be pressurized
c) Allow the gear to be held in the UP position by using a pneumatic air pump
d) Shut off hydraulic pressure to the landing gear

A

D) Shut off hydraulic pressure to the landing gear

24
Q

757/763: The PARK BRAKE light on the pedestal indicates that:

a) PARK BRAKE handle is not stowed and the anti-skid return line is either open or closed
b) PARK BRAKE handle is not stowed
c) PARK BRAKE handle is stowed and the anti-skid return line is either open or closed
d) Parking brakes are set correctly

A

B) PARK BRAKE handle is not stowed

25
Q

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 electric hydraulic pump
b) Center 1 electric hydraulic pump
c) Left electric hydraulic pump
d) Center 2 electric hydraulic pump

A

A) Right electric hydraulic pump

26
Q

757/767: What type of antiskid protection is provided when using the alternate brake system?

a) No hydroplaning protection
b) Individual wheel
c) No skidding protection
d) Paired wheel

A

D) Paired wheel

27
Q

767: The fluid for the alternate brake system is provided by the ________ hydraulic system(s).
a) Center and left
b) Right
c) Left
d) Center

A

D) Center

28
Q

757/767: The rudder pedals allow turns up to ____ in either direction.

a) 7°
b) 12°
c) 65°
d) 50°

A

A) 7°

29
Q

757/767: The autobrake system is only available through the __________.

a) Accumulator brakes
b) Reserve brakes
c) Alternate brakes
d) Normal brakes

A

D) Normal brakes

30
Q

752PW: The brake temperature monitoring system consists of:

a) BRAKE TEMP light
b) EICAS display
c) Wheel brake temperature system is not installed
d) Gear synoptic

A

C) Wheel brake temperature system is not installed

31
Q

757/767: when can the auto brake system be used?

A) when alternate brakes are available
B) when accumulator brakes are available
C) when normal brakes are available
D) when reserve brakes are available

A

C) when normal brakes are available

United B756 SV Question (19 decks)

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