PTLA

Question 1

The vent fan runs any time there is a normal ships power and isolation valves are open.

Accepted Answer

A. True

Answer

B. False

Question 2

When the pack flow control knob is positioned to HI, air flow is :

Accepted Answer

C. 120 % of normal rate

Answer

A. 80% of normal rate

Answer

B. 100 % of normal rate

Answer

D. 150 % of normal rate

Question 3

The RAM AIR switch should be used :

Accepted Answer

B. Only when differential pressure is less than 1 psi

Answer

A. At any time

Answer

C. When differential pressure is more than 1 psi

Answer

D. Only after outflow valve is fully open

Question 4

When would you select PACK FLOW to HI ?

Accepted Answer

A. Smoke removal or hot/humid conditions

Answer

B. When passengers are complaining it is to cold

Answer

C. Above FL 350

Answer

D. Above FL 250

Question 5

What happens to the pack flow control valves during engine start ?

Accepted Answer

D. They automatically close

Answer

A. They must be selected off

Answer

B. They must be selected off and cold days only

Answer

C. They must be selected off and hot days only

Question 6

When does normal pressurization occur ?

Accepted Answer

C. Pressurization occurs during the takeoff roll

Answer

A. After second engine start

Answer

B. Pressurization ocurs during taxi

Answer

D. After rotation

Question 7

When does normal depressurization occur ?

Accepted Answer

B. It is complete three minutes after touch down

Answer

A. 100 feet AGL above touchdown

Answer

C. After flap retraction

Answer

D. On landing touchdown

Question 8

Which statement is correct regarding illumination of the amber AFT ISOL VALVE fault light ?

Accepted Answer

B. Means that either the inlet or outlet isolation valve(s) disagrees with the switch position

Answer

A. Automatically closes the aft cargo comparment isolation valves

Answer

C. Indicates that the extract fan has stopped

Answer

D. All of the above

Question 9

Pressurization controllers receive inputs from :

Accepted Answer

A. LGCIU, ADIRU, FMGS, and EIU

Answer

B. LGCIU/´s and the MCDU

Answer

C. LGCIU/´s and the pilot static sources

Answer

D. MCDU and LGCIU/´s

Question 10

With the APU BLEED ON and the engine BLEED switches ON with engines running.
What is the position of the engine bleed valves ?

Accepted Answer

A. Closed

Answer

B. Open

Answer

C. Depends on the crossbleed selector

Question 11

Pressurization is normally automatic. Can you interfere with it ?

Accepted Answer

A. Yes, CABIN PRESS MODE SEL to OVERRIDE and MAN V/S CTL toggle switch

Answer

B. Yes, manually set the landing elevation using the LND ELEV AUTO selector

Answer

C. Both are correct

Question 12

What is the function of the ram air valve ?

Accepted Answer

B. Emergency smoke removal and ventilation in the event if dual pack failure

Answer

A: Ventilation while on the ground

Answer

C. Avionics cooling

Answer

D. Cargo ventilation & avionics cooling

Question 13

Placing the EXTRACT push button to override :

Accepted Answer

C. Insures the extract fan will continue to be energized

Answer

A. De-energizes the extraxt fan

Answer

B. Places the avionics ventilation system in the closed configuration

Answer

D. Places the avionics ventillation system in the open configuration

Question 14

The Ram Air valve :

Accepted Answer

D. Must be manually activated

Answer

A. Should be opened for increased ventilation while on the ground

Answer

B. Will open automatically after engine start

Answer

C. Should be opened for increased ventilation while in flight

Question 15

The HOT AIR valve push button controls :

Accepted Answer

B. The hot air manifold

Answer

A. The trim air valve

Answer

C. The engine bleed valves

Answer

D. The pack flow control valves

Question 16

Hot air fault light illuminates on the air conditioning panel.

Accepted Answer

C. The hot air press. reg. valve closes and the trim air valve close

Answer

A. The hot air press. reg. valve opens and the trim air valve close

Answer

B. The hot air press. reg. valve closes and the trim air valve open

Answer

D. The hot air press. reg. valve opens and the trim air valve open

Question 17

To enable Ram air to the mixer unit, The Ram air switch should be used :

Accepted Answer

B. Only when differential pressure is less than 1 psi

Answer

A. At any time

Answer

C. When pressure is greater than 1 psi diff

Answer

D. Only after outflow valve is fully opened

Question 18

Pack controller, primary channel failure.

Accepted Answer

A. The secondary computer operates as a backup mode and the regulation is not optimized

Answer

B. The secondary computer operates takes over (all functions )

Answer

C. Pack is lost

Answer

D. Pack outlet temperature is controlled at 15 deg C

Question 19

Pack controller, secondary channel failure.

Accepted Answer

A. No effect on pack regulation backup mode

Answer

B. Pack is lost

Answer

C. No effect ( all modes still available )

Answer

D. Pack outlet temperature is controlled at 15 deg C

Question 20

Pack controller, primary and secondary channel failure.

Accepted Answer

A. Pack outlet temperature is controlled to between 5 and 30 deg C by the ani-ice valve

Answer

B. The pack is closed

Answer

C. The packs deliver a fixed temperature of 20 deg C

PTLA

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