Challenger 350: Air Conditioning / Pressurization Questions with Correct Answers
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Course
Challenger 350
Institution
Challenger 350
Where does high pressure (HP) bleed air go? Correct Answer-High pressure (HP) bleed air from the engines is routed through high pressure valves and ducting to the wing anti-ice system
FCOM2 02-02-1
Where does intermediate pressure (IP) bleed air go? Correct Answer-Intermediate pressure (I...
Challenger 350: Air Conditioning / Pressurization
Questions with Correct Answers
Where does high pressure (HP) bleed air go? Correct Answer-High
pressure (HP) bleed air from the engines is routed through high pressure
valves and ducting to the wing anti-ice system
FCOM2 02-02-1
Where does intermediate pressure (IP) bleed air go? Correct Answer-
Intermediate pressure (IP) air from the engines is routed through
intermediate pressure valves to the environmental control system (ECS)
FCOM2 02-02-1
Cabin and cockpit temperature range in normal mode Correct Answer-
15 °C to 35 °C
FCOM2 02-02-2
,Cabin and cockpit temperature range in manual mode Correct Answer-
10 °C to 70 °C
FCOM2 02-02-2
BLEED AIR MANIFOLD Correct Answer-- Located in the engine
pylons and aft equipment bay
- Divided into the right side and left side by a crossbleed (XBLEED)
valve.
- Engines provide bleed air to their respective sides of
the manifold.
- APU and ground air cart are supplying air to
the right side of the crossbleed valve only
FCOM2 02-02-2
What are the 4 check valves which are installed in various locations in
the bleed air ducting? Correct Answer-- An intermediate pressure check
valve is installed in each engine bleed air duct (2) to prevent reverse
flow into the engines
, - One is installed at the external ground air servicing connector to
prevent the loss of air to the atmosphere
- One is installed in the APU bleed air duct to prevent the reverse flow
of manifold air to the APU when the APU is shut down
The check valves are not depicted on the ECS or ANTI-ICE synoptic
displays
FCOM2 02-02-2
What is the task of the Intermediate Pressure Valves? Correct Answer-
Intermediate Pressure Air Regulation to the ECS
Engine bleed air pressure increases proportionally with N2 compressor
speed. The intermediate pressure valve limits the engine discharge
pressure to 50±3 psi for the ECS.
When N2 compressor speed is low and the engine bleed air pressure is
less than the regulated value, and at least 10 psi or greater, the valve is
fully open
FCOM2 02-02-3
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