Air Systems Flashcards

1
Q

What system or systems would be inoperative with both the left and right Isolation Valves closed?
(AOM Vol II, Ch 2)

A
  • Trim Air
  • Aft Cargo Heat
  • Potable Water Head Pressure
  • Cargo Smoke Detection
  • Number 2 Pack
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2
Q

What controls the output temperature of all packs?

AOM Vol II, Ch 2

A

• The zone requiring the coldest temperature

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3
Q

With the Lower Lobe Conditioned Airflow Rate Selector (LLCAFR) switch in the OFF position, what is the temperature range available with the Lower Lobe Temperature Selector?
(AOM Vol II, Ch 2)

A

• The Lower Lobe Temperature Selector is inoperative with the LLCAFER switch in the OFF position.

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4
Q

What determines when the packs will go to Normal Flow?

AOM Vol II, Ch 2

A

• When the aircraft has arrived at the cruise altitude entered in the FMS.

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5
Q

What will illuminate the bleed SYS FAULT light?

AOM Vol II, Ch 2

A
  • Bleed air overheat, or
  • Bleed air overpressure, or
  • HP bleed valve open when commanded closed, or
  • PRV open when commanded closed
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6
Q

With the SYS FAULT light illuminated, is reversing available on landing?
(AOM Vol II, Ch 2)

A

• Yes, unless an overheat condition exists or the start valve is not closed.

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7
Q

What unit in the bleed air system reduces bleed temperature? (AOM Vol II, Ch 2)

A

• Fan air precooler

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8
Q

When the Engine Bleed Air Switch is selected off, what valves close?
(AOM Vol II, Ch 2)

A
  • PRV

* HP

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9
Q

In an aircraft equipped with the NASI ECO system, what is the cockpit indication that the packs are in normal flow? What is indicated on the ECS Synoptic Page?
(AOM Vol II, Ch 2)

A
  • The NORM legend in the ECO switch

* The ECS Synoptic Page indicates HI FLOW

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10
Q

With the Engine Bleed Air Switch off, and no fault detected, what components are available?
(AOM Vol II, Ch 2)

A
  • Thrust Reverse

* Nacelle Anti Ice

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