
B777 Air Conditioning
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Professional Development
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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What does ATA 21 refer to ?
Avionics Systems
Airframe Structure
Air Conditioning and Pressurization
Landing Gear
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which component is responsible for cooling the bleed air in the air conditioning system ?
Heat Exchanger
Air Cycle Machine (ACM)
Compressor
Bleed Air Valve
3.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Which one of the following is not the source of bleed air for the air conditioning system?
APU (Auxiliary Power Unit)
Engine
Ram Air Turbine (RAT)
Ground Power Unit (GPU electrical)
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What role does the pressurization system play ?
Cooling the cabin air
Regulating cabin pressure
Controlling aircraft altitude
Providing fresh air to the cabin
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
In the Air Conditioning and Pressurization system, what does the term "bleed air" refer to?
Air used for pressurizing the cabin
Air taken from the cabin for cooling
High-pressure air from the engines or apu
Air released during emergency descent
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the purpose of the air cycle machine (ACM) in the Air Conditioning system of the Boeing 777-200?
Generates electrical power
Cools the cabin air
Pressurizes the cabin
Controls aircraft altitude
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which part of the aircraft is responsible for releasing excess cabin pressure in emergency situations?
out flow valve
cabin temp controller
Emergency Oxygen Masks
Bleed Air Valve
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