Systems Test

Question 0

The APU is located in the:

Answer 0

Aft tailcone

Question 1

Maximum APU start Altitude

Answer 1

37000

Question 2

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

Answer 2

Sixth or 10th stage

Question 3

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

Answer 3

Pack valves

Question 4

Selecting the ram air switch open supplies ram air to?

Answer 4

Mixing valves

Question 5

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

Answer 5

De-energizes the flight and ground fans

Question 6

How is the outflow valve operated

Answer 6

Electrically

Question 7

How is the avionics bay exhaust air control

Answer 7

Ground valve

Question 8

How many outflow valves are installed

Answer 8

One

Question 9

At flight level 410 the engine driven generators are rated at

Answer 9

40KVA

Question 10

The CRJ 900 TRU distribution system consists of

Answer 10

4 TRU’s rated at 120 amps each

Question 11

The DC tie contactors

Answer 11

Are controlled automatically

Question 12

During single generator operations the following buses are loaded shed

Answer 12

None

Question 13

The DC service bus is powered by

Answer 13

DC bus two and APU battery direct buss

Question 14

How many circuit breaker panels are located on the flight deck

Answer 14

2

Question 15

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

Answer 15

Jet pipes

Question 16

The engine low-pressure turbine…

Answer 16

… Is protected by overheat detection system only.

Question 17

How is the fire detection and extinguishing system tested?

Answer 17

It is pilot selected

Question 18

Flutter dampers are provided on…

Answer 18

Ailerons only

Question 19

Maximum 45 slats/flaps Vfe speed is:

Answer 19

170kts

Question 20

The MPS are powered by how many hydraulic systems?

Answer 20

2

Question 21

Lift dumping is accomplished by extending:

Answer 21

2 MFS panels per wing

Question 22

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

Answer 22

Slats/flaps lever is selected to 1 & 8

Question 23

When the emergency flap switch is selected the…

Answer 23

Slats/flaps move to 25° and 20°

Question 24

The rudder travel limiter restricts rudder travel

Answer 24

In-flight only

Question 25

The standby I S I is…

Answer 25

An integrated unit

Question 26

The enhanced flight director provides optimized pitch reference…

Answer 26

When the TO mode is active

Question 27

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

Answer 27

19,594 lbs.

Question 28

The APU fuel feed system uses…

Answer 28

A dedicated APU fuel pump

Question 29

The APU on the CRJ 900 gets fuel from…

Answer 29

The left wing tank via the left collector tank

Question 30

The bulk fuel temperature for CRJ900 is measured in the…

Answer 30

Right wing tank

Question 31

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

Answer 31

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

Question 32

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

Answer 32

6th or 10th stage bleed air

Question 33

What does the DET TEST switch test when pressed

Answer 33

Ice detectors and air data probes and sensor heaters

Question 34

How is a cowl duct leak detected

Answer 34

By a pressure transducer

Question 35

What is the maximum landing gear retraction and extensions speeds

Answer 35

200 and 220 KIAS

Question 36

The forward nose gear doors…

Answer 36

Remain open when the nose gear is extended.

Question 37

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

Answer 37

Sixth and 10th stage

Question 38

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

Answer 38

Automatically by the ACSC

Question 39

How is the interlock protection provided for the APU

Answer 39

ACSC Control logic provides two levels of protection

Question 40

What is the purpose of the high-pressure valves?

Answer 40

To provide high-pressure 10th stage air as required

Question 41

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

Answer 41

APU

Question 42

How is the bleed leak detection system monitored?

Answer 42

Continuously when powered

Question 43

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

Answer 43

13560 and 14750

Question 44

Engine N1 speed governing is a function of…

Answer 44

FADEC

Question 45

N1 & N2 Synchronization is available during…

Answer 45

Cruise flight

Question 46

Flex N1 Is computed by the…

Answer 46

FMS computer

Question 47

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

Answer 47

Automatically

Question 48

cF34 – 8C5 thrust reverser system is operated by…

Answer 48

Hydraulic pressure

Question 49

The automatic performance reserve system is armed when…

Answer 49

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

Question 50

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

Answer 50

False

Question 51

Engine oil quantity monitoring and servicing is…

Answer 51

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

Question 52

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

Answer 52

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

Question 53

CRJ 900 thrust Lever quadrant is equipped with detents of

Answer 53

All of the above