Pneumatics Flashcards

1
Q

The pneumatic system can be supplied by the

A

Engines, APU, or Ground pneumatic source

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2
Q

Engine bleed air comes from the _ and _ engine compressor stages

A

9th and 14th

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3
Q

When does the 14th stage high stage valve (HSV) open automatically

A

During low engine thrust operations, engine cross bleed start, and anti ice operation

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4
Q

The pneumatic system functional logic automatically closes the _ whenever any engine is supplying bleed air to the left pneumatic side

A

APU Bleed valve

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5
Q

The pneumatic system automatic logic closes the left pack valve whenever the anti icing system is operating below _ft

A

24,600

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