AS411 Exam 4 with correct
verified answers
Which of the following is not a function of the bleed air system?
Fuel tank pressurization
Bleed air can be supplied to the aircraft via the APU, an external air cart or
the engines.
True
An external air cart can supply air for engine start or air conditioning
True
Bleed air comes from the _____ and ______ compressor stages?
5th and 9th
Engine bleed air valves are
DC activated and pressure operated
The bleed air valves protect the system
by automatically closing when an over pressure or over temperature
is detected
, Differences between the L and R duct pressure indicators
Are considered normal, as long as the cabin can be pressurized
The isolation valve
Will be closed during normal operations (both packs operating, both
engine bleeds on)
The APU bleed air valve closes
Automatically when the APU is shut down or when the pilot selects
the APU bleed air switch to off
The DUAL BLEED light will illuminate when
The bleed air system is configured such that it would be possible to
put backpressure on the APU
The maximum altitude the APU bleed may be used in flight is________
17,000 feet.
In normal operation the right pack uses bleed air from
Engine n2
verified answers
Which of the following is not a function of the bleed air system?
Fuel tank pressurization
Bleed air can be supplied to the aircraft via the APU, an external air cart or
the engines.
True
An external air cart can supply air for engine start or air conditioning
True
Bleed air comes from the _____ and ______ compressor stages?
5th and 9th
Engine bleed air valves are
DC activated and pressure operated
The bleed air valves protect the system
by automatically closing when an over pressure or over temperature
is detected
, Differences between the L and R duct pressure indicators
Are considered normal, as long as the cabin can be pressurized
The isolation valve
Will be closed during normal operations (both packs operating, both
engine bleeds on)
The APU bleed air valve closes
Automatically when the APU is shut down or when the pilot selects
the APU bleed air switch to off
The DUAL BLEED light will illuminate when
The bleed air system is configured such that it would be possible to
put backpressure on the APU
The maximum altitude the APU bleed may be used in flight is________
17,000 feet.
In normal operation the right pack uses bleed air from
Engine n2
