Systems - Bleed Air

Question 1

Air for the pneumatic system is normally bled from the ____ of the compressor. (FM: 8.10.10.10)

Answer 1

Intermediate pressure stage

Question 2

What happens in flight if pneumatic bleed air pressure is insufficient
even with the HP stage valve open? (FM: 8.10.10.10)

Answer 2

Engines spool up automatically.

Question 3

What valve action automatically occurs when the APU supplies air to the pneumatic system? (FM: 8.20.10.1 )

Answer 3

Crossbleed valve opens and the engine bleed valves close.

Question 4

Pneumatic system operation is controlled and monitored by (FM: 8.20.10.1 )

Answer 4

Two Bleed Monitoring Computers (BMCs).

Question 5

If BMC 1 fails, what leak detection is lost? (FM: 8.20.10.1 )

Answer 5

Engine 1 & APU.

Question 6

If BMC 2 fails, what leak detection is lost? (FM: 8.20.10.1 )

Answer 6

Engine 2.

Question 7

When will the APU BLEED FAULT light illuminate? (FM: 8.20.20.2)

Answer 7

APU leak detected.

Question 8

When will the ENG BLEED FAULT light illuminate? (FM: 8.20.20.1)

Answer 8

Engine bleed valve not closed with the APU bleed valve open.