Pneumatics

Question 1

Pneumatic system air is supplied by:

1. ______ Pressure or ____ Pressure bleed or from each engine
   - OR-
2. _____ bleed air.

Answer 1

Pneumatic system air is supplied by:

1. High Pressure or Low Pressure bleed or from each engine
   - OR-
2. APU bleed air.

Question 2

With the Bleed Air Selector in NORM, HP and LP selection is _________.

Answer 2

With the Bleed Air Selector in NORM, HP and LP selection is automatic.

Question 3

Selecting the Bleed Air Selector knob to OFF closes the _______ ______ ________ valve.

Answer 3

Selecting the Bleed Air Selector knob to OFF closes the Bleed Air** **Shutoff valve.

Question 4

The Pylon Precooler uses ______ air to cool the bleed air from the engines before it enters the pneumatic system.

Answer 4

The Pylon Precooler uses bypass air to cool the bleed air from the engines before it enters the pneumatic system.

Question 5

Some bleed air from the engines is used to supply service air. Service air is used to:

1. Inflate the ______ ______ ______.
2. Provide vacuum for the ______ valves.
3. Provide motive flow for the ______ water aspirator.

Answer 5

Some bleed air from the engines is used to supply service air. Service air is used to:

1. Inflate the acoustic door seal.
2. Provide vacuum for the outflow valves.
3. Provide motive flow for the ACM water aspirator.

Question 6

APU service air is supplied any time the APU is running, With APU ______ ______ on or off.

Answer 6

APU service air is supplied any time the APU is running, With APU bleed air on or off.

Question 7

Bleed leak detection is available along the _______ lines.

Answer 7

Bleed leak detection is available along the pneumatic lines.

Question 8

The pressure source selector controls bleed air from the engines for _____________ and __________ only.

Answer 8

The pressure source selector controls bleed air from the engines for environmental and pressurization only.

Question 9

The baggage heat is only available ___ ______ with _____ engine bleed air.

Answer 9

The baggage heat is only available in flight with left engine bleed air.

Question 10

An HP Valve Fail CAS message indicates that the HP valve is in the _______ __________.

Answer 10

An HP Valve Fail CAS message indicates that the HP valve is in the wrong position.

Question 11

With a Stab Bleed Leak CAS message, the ____ anti-ice will automatically shut off.

Answer 11

With a Stab Bleed Leak CAS message, the stab anti-ice will automatically shut off.

Question 12

Emergency Pressurization air is supplied by the ____ engine and activates automatically with:

1. _____ Bleed Leak.
2. _____ overtemperature.
3. Cabin altitude above _______.

Answer 12

Emergency Pressurization air is supplied by the ____ engine and activates automatically with:

1. ACM Bleed Leak.
2. ACM overtemperature.
3. Cabin altitude above 14,500.