51-60

Question 1

When one pack is operating with the flaps up, _________ with the air conditioning
PACK switches in AUTO.
a the operating pack shuts down above FL250
b the operating pack provides high air flow
c the operating pack provides low air flow

Answer 1

the operating pack provides high air flow

Question 2

The OFF SCHED DESCENT light indicates the aircraft began descent before
having reached the planned cruise altitude. What does the controller program the
cabin to?
a To land at the takeoff field elevation without further pilot inputs
b to land at the arrival field elevation set in the LAND ALT window without further pilot inputs
c to slowly depressurize the aircraft to 8,000 feet cabin altitude

Answer 2

To land at the takeoff field elevation without further pilot inputs

Question 3

Which stages of the compressor section is bleed air obtained from (NG aircraft)?
a) 6th; 10th
b) 4th;12th
c) 5th; 9th

Answer 3

5th; 9th

Question 4

The engine bleed air valve is ________ operated and DC power activated.
a) electrically
b) pneumatically
c) hydraulically

Answer 4

pneumatically

Question 5

_________ when the BLEED TRIP OFF light illuminates.
a The respective engine bleed air valve must be manually closed
b The APU bleed air valve closes automatically
c The respective engine bleed air valve closes automatically

Answer 5

The respective engine bleed air valve closes automatically

Question 6

The ______ is/are sources of air that can be used to start the engine.
a) APU only
b APU, ground air cart, engine bleed air, and ground air conditioning
c APU, ground air cart, and engine bleed air

Answer 6

APU, ground air cart, and engine bleed air

Question 7

The isolation valve is _____ when the isolation valve switch in AUTO, both engine
bleed air switches ON, and both air conditioning pack switches AUTO or HIGH.
a) closed
b) open
c) in transit

Answer 7

closed

Question 8

The APU bleed air switch affect the isolation valve position.
a) True
b) False

Answer 8

false

Question 8

The isolation valve is _____ when the isolation valve switch is in AUTO, if either an
engine bleed air switch or an air conditioning pack switch is positioned OFF.
a) open
b) closed
c) in transit

Answer 8

open

Question 9

The APU bleed air valve is _____ controlled and _____ operated.
a) AC; hydraulic pressure
b) DC; electrically
c) DC; pneumatic pressure

Answer 9

DC; pneumatic pressure

Question 10

Engine thrust must be _____ with the DUAL BLEED light illuminated until the
pneumatics panel is properly configured.
a) Limited to idle
b) 40% N1 or greater
c) 60% N1 or less

Answer 10

limited to idle