Pneumatic System Flashcards

1
Q

Engine bleed-air supply to the environmental control unit requires which of the following to be on?

A

The L or R BLEED switch indicator(s)

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2
Q

Which of the following statements is true

concerning pack HI FLOW?

A

It must not be used during take-off, landing,

above 30,000 ft., or while anti-ice is active

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3
Q

What happens if the L BLEED switch light is

selected OFF?

A

Left EMER PRESS Valve cannot open

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4
Q

What happens with both L BLEED and R

BLEED switch light are selected OFF?

A

The WING/STAB anti-ice is inoperative

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