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737 > Bleed Air > Flashcards

Bleed Air Flashcards

1
Q

What are the sources of bleed air?

A

Engine
APU
Ground air

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2
Q

Which systems use bleed air?

A

Air Con / Pressurization
Anti-Ice
Engine starting
Hydraulic reservoir pressure
Water tank pressure
Nitrogen generator

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3
Q

Purpose of the Engine Bleed Air Valve?

A

Pressure regulator and shutoff valve
DC control, pneumatic operation

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4
Q

What causes Bleed Trip Sensors to close the Engine bleed Air valve?

A

Overheat or overpressure

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5
Q

How is the bleed Trip condition reset?

A

Trip Reset switch
(condition must no longer exist)

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6
Q

What do the Wing body overheat, bleed Trip off and dual bleed lights mean?

A

WING-BODY OVERHEAT- leak in critical area air duct
BLEED TRIP OFF - overheat or over-press
DUAL BLEED- APU bleed and engine bleed both on

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7
Q

Purpose of APU Bleed Air Valve?

A

Air to the left duct
DC control, pneumatic operation

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737 (5 decks)

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