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CRJ 900 Test > Systems Test > Flashcards

Systems Test Flashcards

0
Q

The APU is located in the:

A

Aft tailcone

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1
Q

Maximum APU start Altitude

A

37000

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2
Q

What is the Bleed air source for the CRJ 900 air-conditioning system

A

Sixth or 10th stage

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3
Q

How is the air conditioning pack pressure controlled when the engines are supplying bleed air?

A

Pack valves

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4
Q

Selecting the ram air switch open supplies ram air to?

A

Mixing valves

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5
Q

What does the standby selection of the display fan control panel provide

A

De-energizes the flight and ground fans

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6
Q

How is the outflow valve operated

A

Electrically

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7
Q

How is the avionics bay exhaust air control

A

Ground valve

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8
Q

How many outflow valves are installed

A

One

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9
Q

At flight level 410 the engine driven generators are rated at

A

40KVA

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10
Q

The CRJ 900 TRU distribution system consists of

A

4 TRU’s rated at 120 amps each

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11
Q

The DC tie contactors

A

Are controlled automatically

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12
Q

During single generator operations the following buses are loaded shed

A

None

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13
Q

The DC service bus is powered by

A

DC bus two and APU battery direct buss

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14
Q

How many circuit breaker panels are located on the flight deck

A

2

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15
Q

From the list below to identify the aircraft systems not protected by a dual loop fire overheat system

A

Jet pipes

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16
Q

The engine low-pressure turbine…

A

… Is protected by overheat detection system only.

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17
Q

How is the fire detection and extinguishing system tested?

A

It is pilot selected

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18
Q

Flutter dampers are provided on…

A

Ailerons only

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19
Q

Maximum 45 slats/flaps Vfe speed is:

A

170kts

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20
Q

The MPS are powered by how many hydraulic systems?

A

2

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21
Q

Lift dumping is accomplished by extending:

A

2 MFS panels per wing

22
Q

There are two slat positions. The intermediate positions of 20° is set when the…

A

Slats/flaps lever is selected to 1 & 8

23
Q

When the emergency flap switch is selected the…

A

Slats/flaps move to 25° and 20°

24
Q

The rudder travel limiter restricts rudder travel

A

In-flight only

25
Q

The standby I S I is…

A

An integrated unit

26
Q

The enhanced flight director provides optimized pitch reference…

A

When the TO mode is active

27
Q

When the aircraft is pressure refueled, the total usable fuel capacity of the 900 is:

A

19,594 lbs.

28
Q

The APU fuel feed system uses…

A

A dedicated APU fuel pump

29
Q

The APU on the CRJ 900 gets fuel from…

A

The left wing tank via the left collector tank

30
Q

The bulk fuel temperature for CRJ900 is measured in the…

A

Right wing tank

31
Q

The purpose of the hydraulic shut off valve switch light is…

A

To stop the flow of hydraulic fluid from the engine driven pump 1A or 2A

32
Q

What is the source of the bleed air used for anti-icing

A

6th or 10th stage bleed air

33
Q

What does the DET TEST switch test when pressed

A

Ice detectors and air data probes and sensor heaters

34
Q

How is a cowl duct leak detected

A

By a pressure transducer

35
Q

What is the maximum landing gear retraction and extensions speeds

A

200 and 220 KIAS

36
Q

The forward nose gear doors…

A

Remain open when the nose gear is extended.

37
Q

Bleed air is taken from what stages of the engine compressor?

A

Sixth and 10th stage

38
Q

How is the bleed source selection controlled when in the auto mode?

A

Automatically by the ACSC

39
Q

How is the interlock protection provided for the APU

A

ACSC Control logic provides two levels of protection

40
Q

What is the purpose of the high-pressure valves?

A

To provide high-pressure 10th stage air as required

41
Q

On the ground with both engines running and the APU operating what bleed air source is supplying the manifold?

A

APU

42
Q

How is the bleed leak detection system monitored?

A

Continuously when powered

43
Q

CF 34 – 8C5 take off and APR thrust values are

A

13560 and 14750

44
Q

Engine N1 speed governing is a function of…

A

FADEC

45
Q

N1 & N2 Synchronization is available during…

A

Cruise flight

46
Q

Flex N1 Is computed by the…

A

FMS computer

47
Q

Prior to take off normal rated take off N1thrust is displayed…

A

Automatically

48
Q

cF34 – 8C5 thrust reverser system is operated by…

A

Hydraulic pressure

49
Q

The automatic performance reserve system is armed when…

A

when the engine speed is within 8% N1 RPM of schedule to take off power

50
Q

FADEC Will automatically abort an engine start for all malfunctions detected. True or false?

A

False

51
Q

Engine oil quantity monitoring and servicing is…

A

Via the EICAS Menu page and an Oil replenishment system in the aft equipment bay

52
Q

When an engine failure is detected, APR thrust occurs when…

A

Thrust levers are in the TOGA detent or normal, flex or go around power is programmed

53
Q

CRJ 900 thrust Lever quadrant is equipped with detents of

A

All of the above

CRJ 900 Test (1 decks)

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