2011 Cqt-air Conditioning And Pressurization

25 Questions | By Piper338 | Updated: Mar 19, 2022 | Attempts: 686

Questions

Settings

Create your own Quiz

2011 Cqt-air Conditioning And Pressurization - Quiz

Questions and Answers

1.

What is the automatic feature associated with the ACM PACK HOT caution light in a DHC-8 100?
- A.
  
  Temperature is selected to max cool
- B.
  
  All engine bleeds to the pack shut off
- C.
  
  Temperature is selected to max warm
- D.
  
  Pack temperature control valves areclosed
2.

What happens when a #1 or #2 BLEED HOT caution light illuminates?
- A.
  
  The pack is shut down
- B.
  
  A full cold override signal is sent
- C.
  
  That bleed is shut off
- D.
  
  Nothing
3.

A FLT COMPT DUCT HOT caution light causes which set of valves to drive to full cool position?
- A.
  
  Diverter Valve (mod 8/0563)
- B.
  
  Pack Temperature Control Valves
- C.
  
  Trim Valves
- D.
  
  None of the above
4.

The AIR COND PACK HOT caution light indicates that excessive temperature is being sensed where?
- A.
  
  Flight Compartment Duct
- B.
  
  Cabin Duct
- C.
  
  Compressor DischargeOvertemperature Sensor
- D.
  
  ACM
5.

Can the Flight Compartment Fan (pre mod 8/1538) be switched on in flight?
- A.
  
  Yes
- B.
  
  No
6.

If a cooler cabin temperature is selected, what will the ACM pack bypass valve do?
- A.
  
  Open
- B.
  
  Close
- C.
  
  Nothing
7.

Can the crew select cabin temp in the "manual" mode while the flight compartment temp controller is in the auto mode?
- A.
  
  Yes
- B.
  
  No
8.

Can pressurization be maintained with only one bleed source available?
- A.
  
  Yes
- B.
  
  No
9.

Is the cargo area pressurized?
- A.
  
  Yes
- B.
  
  No
10.

Does the pressurization toggle switch have to be in manual for the manual increase knob to work?
- A.
  
  Yes
- B.
  
  No
11.

What is the difference between the forward outflow selector and the manual increase knob?
- A.
  
  Nothing
- B.
  
  They both open the forward outflowvalve, but the manual increase knob allows a modulated opening
- C.
  
  The forward outflow selector controlsthe forward outflow valve, the manual increase knob controls the aft outflowvalve
- D.
  
  Fwd outflow selector is always active;manual increase knob only activateswith the auto/man/dump switch inmanual
12.

How is the rear outflow valve powered?
- A.
  
  Suction created by the 18 PSI de-icesystem air flowing through a venturi
- B.
  
  Left Main DC Power
- C.
  
  Ram Air
- D.
  
  Both A & B
13.

What happens to the rear outflow valve upon touchdown?
- A.
  
  It Opens
- B.
  
  It Closes
14.

What does the "fault" light indicate on the pressurization panel?
- A.
  
  An outflow valve is faulty
- B.
  
  The Air Data Computer is faulty
- C.
  
  The Pressurization Computer isexperiencing a fault or conducting aself test
- D.
  
  None of the above
15.

What happens when the pressurization toggle switch is selected to the "manual" position?
- A.
  
  The pressurization computer isdeactivated and pressurization isaccomplished by manually modulatingthe rear outflow valve
- B.
  
  The rear outflow valve closes andpressurization is accomplished bymodulating the forward outflow valve
- C.
  
  The rear outflow valve closes andpressurization is accomplished via thecab set switch and alt knob
- D.
  
  None of the above
16.

What occurs when the pressurization toggle switch is selected to the "auto" position?
- A.
  
  The rear outflow valve is closed
- B.
  
  The rear outflow valve is controlled bythe pressurization computer
- C.
  
  The rear outflow valve opens fully
- D.
  
  None of the above
17.

What does the CABIN PRESS warning light indicate?
- A.
  
  That cabin altitude has exceeded 8,000ft.
- B.
  
  That cabin altitude has exceeded10,000 ft.
- C.
  
  That the cabin pressure controller isfaulty
- D.
  
  None of the above
18.

What is the position of the rear outflow valve when the aircraft is on the ground? (Engines running, bleeds on)
- A.
  
  Open
- B.
  
  Closed
19.

When controlling pressurization manually, the manual increase knob should be turned which way to decrease cabin altitude?
- A.
  
  Clockwise
- B.
  
  Counterclockwise
20.

Are both outflow valves capable of automatic pressure relief at 5.8 +/- .15 PSI?
- A.
  
  Yes
- B.
  
  No
21.

What should the cabin altitude be if you are flying at FL 250?
- A.
  
  5000
- B.
  
  7000
- C.
  
  8000
- D.
  
  1000
22.

Will the aircraft pressurize with the bleeds off?
- A.
  
  Yes
- B.
  
  No
23.

What is the cabin rate of change when the rate knob is at the index?
- A.
  
  500 fpm up 500 fpm down
- B.
  
  500 fpm up and 300 fpm down
- C.
  
  300 fpm up and 300 fpm down
- D.
  
  300 fpm up and 500 fpm down
24.

How do we change from fully automatic mode to semi-automatic mode for the pressurization system?
- A.
  
  Cab Set/Norm switch to Cab Set,Auto/Man/Dump to Man
- B.
  
  Cab Set/Norm switch to Cab Set
- C.
  
  Cab Set/Norm switch to Norm
- D.
  
  Cab Set/Norm switch to Norm,Manual increase knob, adjust asrequired
25.

What does the MIN/MAX rheostat on the bleed control panel do?
- A.
  
  It regulates the pack bypass valves
- B.
  
  It adjusts the temperature levelmaintained by the automatictemperature controller
- C.
  
  It adjusts the amount of air flow to theACM
- D.
  
  It modulates the rear outflow valves