Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

777 SV > AIR SYSTEMS > Flashcards

AIR SYSTEMS Flashcards

1
Q

Recirculation fans _____ and allow packs to operate at a reduced flow.

A. improve cabin ventilation
B. operate only in the standby cooling mode
C. exhaust air overboard through outflow valves
D. provide 100% fresh conditioned air to the passenger cabin

A

A. improve cabin ventilation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

The left pack supplies air to the cockpit at a higher pressure than the passenger cabin _____.

A. to ensure proper cooling for cockpit instruments
B. to prevent smoke from entering the cockpit from the passenger cabin
C. to ensure that the forward outflow valve remains open constantly
D. to create a slightly greater pressure in the cabin than the cockpit

A

B. to prevent smoke from entering the cockpit from the passenger cabin

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

The _____ cargo compartments have independant bleed air heating systems.

A. forward and bulk
B. forward, aft, and bulk
C. aft and forward
D. aft and bulk

A

D. aft and bulk

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

The pilot can set the master cabin temperature control reference between _____ using the CABIN TEMP control.

A. 65°F and 80°F
B. 65°F and 85°F
C. 70°F and 85°F
D. 60°F and 80°F

A

B. 65°F and 85°F

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

When the engine bleed air switches are selected ON, an engine bleed valve closes automatically for _____?

A. a bleed air duct leak
B. a hydraulic reservoir overpressure
C. an engine fire handle illuminated
D. a pack L (R) failure

A

A. a bleed air duct leak

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

For _____, pack control automatically uses standby cooling as a backup mode. The EICAS advisory message PACK MODE (L, R) displays.

A. Loss of bleed air source
B. Low output pressure
C. Certain internal malfunctions
D. A trim air valve failure (closed)

A

C. Certain internal malfunctions

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Pneumatic system air can be supplied by the _____.

A. ram air turbine
B. engines, APU, or ground air source
C. APU or oxygen generators
D. engines or airstart bottles

A

B. engines, APU, or ground air source

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

When pulled ON, the LDG ALT selector removes the FMC landing altitude. Rotating left or right manually sets the landing altitude. Pushing the selector in _____.

A. makes the manually set landing altitude appear in the FMC
B. causes the EICAS message LANDING ALT to display
C. resets the landing altitude to zero
D. restores the FMC landing altitude

A

D. restores the FMC landing altitude

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

The LDG ALT (landing altitude) display shows _____.

A. AUTO after the value if altitude is supplied by the Captain’s altimeter
B. MAN after the value if altitude is autmatically supplied by the FMS
C. 1000 feet if FMC altitude is invalid
D. when half way or more than 400 NM from departure airport

A

D. when half way or more than 400 NM from departure airport

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

The _____ cargo compartments are heated and pressurized.

A. forward, aft, and bulk
B. forward and aft
C. aft and bulk
D. forward and bulk

A

A. forward, aft, and bulk

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Shoulder and foot heat for pilots is available _____.

A. on the ground only
B. inflight and on the ground
C. in flight only
D. only at cruise altitude

A

C. in flight only

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

The AIR COND reset switch resets or attempts to reset which of the following?

A. Pack valves, trim air valves, recirculation fans, and fault protection.
B. Equipment cooling, gasper fans, and pack valves.
C. Gasper fans, pack valves, and cabin temperature controller.
D. Pack valves and bleed air valves.

A

A. Pack valves, trim air valves, recirculation fans, and fault protection.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

When the engine bleed air switches are selected ON, an engine bleed valve closes automatically for _____?

A. a pack L (R) failure
B. a bleed air duct leak
C. an engine fire handle illuminated
D. a hydraulic reservoir overpressure

A

B. a bleed air duct leak

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

If an automatic shutdown of the cargo heat system occurs, cargo heat _____.

A. to the related compartment cannot be restored until the associated overheat condition is removed
B. is available on the LOW TEMP setting once the overheat condition is removed
C. is provided to the failed compartment automatically through a diverter valve which channels heat from the unaffected compartment
D. to the related compartment cannot be restored in flight

A

D. to the related compartment cannot be restored in flight

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

If a duct leak is detected, the appropriate valves _____ to isolate the leak.

A. close automatically
B. are closed by depressing the BLEED AIR ISLN switches
C. must be manually selected and closed
D. are automatically detected and manually closed

A

A. close automatically

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

When the LDG ALT selector knob is pulled out/on, _____.

A. the landing altitude can be set manually by rotating the knob left or right
B. the system displays landing altitude within 400 miles of destination
C. landing altitude cannot be adjusted manually
D. outflow valves are now controlled by the landing altitude knob

A

A. the landing altitude can be set manually by rotating the knob left or right

13
Q

For ground operations, single air conditioning pack operation is not recommended:

A. even though it reduces APU fuel consumption.
B. even though it reduces flight line noise levels.
C. because it does not reduce APU fuel consumption.
D. because it does not provide effective conditioned air.

A

C. because it does not reduce APU fuel consumption.

14
Q

When on the ground, the ground crew call horn will sound and an EICAS advisory message will be displayed when _____.

A. the air conditioning packs are in the backup mode
B. there is a fire in a wheel well
C. the forward equipment cooling system is inoperative
D. the temperature in the cockpit is excessive

A

C. the forward equipment cooling system is inoperative

15
Q

If the EQUIP COOLING OVRD light is illuminated and AUTO is visible, the _____.

A. smoke override mode has been automatically selected
B. smoke override mode requires manual operation
C. smoke override mode has failed
D. RECIRC FANS are inoperative

A

A. smoke override mode has been automatically selected

16
Q

If both air conditioning packs are in the standby cooling mode, pack operation _____.

A. may be temporarily discontinued to allow for pack cooling
B. fluctuates between on and off to accomodate both pressurization and pack cooling requirements
C. continues regardless of altitude or outside air temperature to maintain cabin pressurization
D. does not affect routine cabin cooling and airplane pressurization requirements

A

C. continues regardless of altitude or outside air temperature to maintain cabin pressurization

17
Q

In flight, APU bleed air is available for pressurization at or _____ feet.

A. below 43,100
B. above 22,000
C. below 22,000
D. above 25,000

A

C. below 22,000

777 SV (13 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions