Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Q400 > Air Conditioning > Flashcards

Air Conditioning Flashcards

1
Q

True or False: The air conditioning packs cool the hot bleed air prior to it entering the flight compartment and passenger cabin.

A

True

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

How many turbine shutoff valves are there on the Q400?

A

2

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

True or False: Within the air cycle machine, there is a primary and a secondary heat exchanger.

A

True

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

The air conditioning system receives bleed air from what sources?

A

Engines & APU

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

True or False: Bleed air can be used from the APU and engines at the same time.

A

False only when engines are not running.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

True or False: The ECU modulates the pack Flow Control and Shutoff Valve position based on Air Conditioning Control Panel selections.

A

True

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

True or False: If only one pack is operational, air flow will be reduced?

A

Yes, to 90 %

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

How many different positions do the pack switches have?

A

3 Positions

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

If the pack FCSOV malfunctions, it defaults to which of the following positions?

A

Open

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

If bleed air from the engines is unavailable in flight, where does the air come from for cabin ventilation?

A

Ram Air

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Where is the vent that allows ram air to enter the aircraft for the air conditioning system located?

A

Dorsal Fin

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

When both packs are operating, what is the distribution of the air for the flightdeck and passenger cabin?

A

25% Flight deck, 75% Cabin

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

When the temperature control is set to full warm, it targets what specific temperature?

A

.27C (80F)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

When the temperature control set to full cool, it targets what specific temperature?

A

15C (60F)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

How many fans must fail before a message illuminates on the ED?

A

2

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

The Pack FCSOV will open when what happens?

A

Either pack switch is in Manual or Auto

17
Q

What valves are responsible for controlling the temperature of pack outlet air?

A

Bypass valves

18
Q

When the packs are in the AUTO mode, what does the ECU base temperature control upon?

A

Temperature in the cabin zones

19
Q

When the packs are in the MAN position, what does the ECU do?

A

Bases output on duct temperatures.

20
Q

Which of the following statements regarding the avionics cooling system is most accurate?

A

Is completely automatic with no cockpit controls uses 3 fans to cool the system

21
Q

Air Conditioning Pack Does what?

A

The air conditioning pack conditions bleed air temperature and humidity and delivers it to the cabin and flight deck.

22
Q

Where is the air conditioning pack located?

A

The air conditioning pack is located in the tail section of the fuselage and consists of two Air Cycle Machine’s (ACM) with one dual heat exchanger.

Q400 (31 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions