Air

Question 1

1
BLEED TRIP OFF (amber) light indicates the Engine Bleed Air Valve automatically closed due to excessively _____ engine bleed air temperature _____.

Answer 1

high / or high pressure

Question 2

2

Conditions permitting”,” the TRIP RESET switch resets the _____.

Answer 2

BLEED TRIP OFF”,” ZONE TEMP”,” and PACK lights

Question 3

3
With the ISOLATION VALVE SWITCH in AUTO”,” the
ISOLATION VALVE _____.

Answer 3

opens when any ENGINE BLEED AIR switch or any air conditioning PACK switch is OFF

Question 4

4

Thrust must be limited to idle with the ________ light illuminated.

Answer 4

DUAL BLEED

Question 5

5
DUAL BLEED (amber) light illuminates when APU Bleed Air Valve is open and \_\_\_\_\_.

Answer 5

No. 1 Engine BLEED Valve Switch ON or No. 2 Engine BLEED Valve Switch ON with the ISOLATION VALVE open

Question 6

6
The WING-BODY OVERHEAT (amber) light indicates
________.

Answer 6

a bleed air leak in a critical area

Question 7

7
A single pack in high flow mode is capable of maintaining pressurization and acceptable temperatures throughout the aircraft up to the_____.

Answer 7

Maximum Certified Altitude

Question 8

8
The _____ pneumatically modulate(s) to control airflow into the respective Air Conditioning Pack based on air conditioning demands.

Answer 8

Pack valves

Question 9

9

With one pack not operating”,” the other pack automatically switches to “high air flow”

Answer 9

inflight with the flaps retracted

Question 10

10

With both RECIRC FAN switches on AUTO”,” and both PACK switches on AUTO”,” _____ Recirculation Fan(s) operate(s).

Answer 10

both

Question 11

11

The Air Recirculation Fans draw warm air from _____.

Answer 11

Correct Answer 4

1) the AC distribution compartment
2) floor grills in the Passenger Cabin
3) the collector shroud the Forward Cargo Compartment
4) all of the above

Question 12

12

Illumination of a ZONE TEMP (amber) lights indicate a zone supply duct overheat and the associated _____ .

Answer 12

Trim Air Modulating Valve closes

Question 13

13

Position PACK switches ______ when using external conditioned air.

Answer 13

OFF

Question 14

14

Is it possible to control”,” from the flight deck”,” the temperature of conditioned air from an external air source?

Answer 14

No”,” flight deck controls are ineffective in controlling or modifying external air temperatures.

Question 15

15

Packs produce air temperature to satisfy the _____.

Answer 15

zone requiring the most cooling

Question 16

16

Failure of the primary Flight Deck zone temperature control causes _____.

Answer 16

automatic switch to backup control and illumination of CONT CAB ZONE TEMP (amber) light on Master Caution Recall

Question 17

17

Positioning all Zone Temperature Selectors to OFF causes pack controls to ______.

Answer 17

maintain 75 degrees F on left pack and 65 degrees F on right pack

Question 18

18

The _____ provides an Equipment Cooling alert if an over temperature occurs on the ground.

Answer 18

Crew Call Horn in the nose wheel well

Question 19

19

The Overboard Exhaust Valve (OEV) ______.

Answer 19

when closed”,” diffuses equipment cooling exhaust air around the lining of the Forward Cargo Compartment

Question 20

20

The Outflow Valve Position Indicator operates with the Pressurization Mode Selector in _____.

Answer 20

any position

Question 21

21

OFF SCHED DESCENT (amber) illuminates if the _____.

Answer 21

aircraft begins to descend without reaching the preset cruise altitude

Question 22

22

Upon descent”,” the Cabin Pressurization Controller _____ if OFF SCHED DESCENT light (amber) remains illuminated.

Answer 22

pressurizes cabin to takeoff airport altitude

Question 23

23

With Cabin Pressurization Mode Selector in MAN”,” a _____.

Answer 23

spring-loaded switch opens and closes outflow valve

Question 24

24

To decrease cabin altitude when using the Cabin Pressurization Mode Selector in MAN”,” _______.

Answer 24

close the outflow valve

Question 25

25

Cabin Altitude and _____ warnings use the same aural tone (intermittent horn) when activated.

Answer 25

Takeoff Configuration