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Limitations > Air Conditioning and Pressurization > Flashcards

Air Conditioning and Pressurization Flashcards

1
Q

Can Air source to Trim air only be selected on the ground?

A

No

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2
Q

What is the max differential pressure on the ground ?

A

0.1 psi

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3
Q

What is the max positive differential pressure?

A

9.4 PSI

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4
Q

What is the max negative differential pressure ?

A

-0.5 PSI

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5
Q

Where is the outflow valve located ?

A

Front right wing fairing

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6
Q

How is the outflow valve actuated ?

A

DC ELECTRIC MOTORS

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7
Q

What computer controls the outflow valve?

A

IASC

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8
Q

What cabin altitude triggers a caution light?

A

8500ft

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9
Q

What cabin altitude triggers a warning light?

A

9400ft

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10
Q

How many feet are added to cabin altitude to readjust for a high alt mode caution light ?

A

650ft

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11
Q

How many feet are added to cabin altitude to readjust for a high alt mode warning light?

A

1550ft

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12
Q

What is the automatic landing altitude return to base criteria ?

A

6000ft or 10 min

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13
Q

How many safety valves does the Challenger 350 aircraft have ?

A

2

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14
Q

What is the purpose of the safety valves?

A

To prevent over and under pressurization of the cabin

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15
Q

How is the landing altitude normally set?

A

Automatically by the FMS

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16
Q

How is the landing manually set?

A

By selecting MAN on the pressurization panel.

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17
Q

What indicates the landing altitude is set automatically ?

A

It is shown in magenta

18
Q

What indicates the landing altitude as been set manually ?

A

It is displayed in cyan

19
Q

Where is the cabin zone temp sensor?

A

Mid cabin right side

20
Q

Where is the cockpit zone temperature sensor?

A

Left side of center pedestal next to the pilots right knee

21
Q

What is the guarded EMER DEPRESS PBA for?

A

For fresh air circulation and if fumes or smoke enter the cockpit

22
Q

What air sources can provide air to the packs?

A

Engines, APU and ground air cart

23
Q

Into what manifold does the ground air cart feed?

A

The right manifold

24
Q

What are the limitations for Trim air usage?

A

Do not use on the ground

25
Q

When must the PACK be operating while on the ground?

A

When the aircraft electrical power is on ( Batt or external power) for more than 30 min with an OAT OF >40’C

26
Q

What is the pressurization limitation during landing?

A

1.0 PSI

27
Q

When does the automatic Pull Up and Pull down function operate?

A

On the ground with the main cabin door open

28
Q

What type of air is used for pressurization?

A

IP AIR. ( Intermediate )

29
Q

Where is Delta P displayed ?

A

EICAS summary page

ECS synoptic page

30
Q

How many IASC computers does the Challenger 350 aircraft have?

A

2

31
Q

What is the temperature range in NORM mode?

A

15 - 35 degrees

32
Q

What is the temperature range in manual mode?

A

10-70 Degrees

33
Q

What valve divides the left manifold from the right manifold ?

A

Crossbreed valve

34
Q

T or F

The bleed valves are pneumatically operated and electrically controlled?

A

True

35
Q

To what PSI is the intermediate pressure regulated ?

A

50 +/- 3 PSI

36
Q

To what PSI is the high pressure bleed air regulated ?

A

36 +/- 3 PSI

37
Q

For what is high pressure bleed air used?

A

For engine and wing anti ice

38
Q

What does the PACK provide?

A

Air conditioned air for fuselage compartments

39
Q

How is the APU bleed valve controlled ?

A

The APU ECU

40
Q

What computer monitors the bleed air leak detection system ?

A

IASC

41
Q

How many ozone converters are installed in the Challenger 350 aircraft ?

A

2

Limitations (18 decks)

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