Air/Pneumatics

Question 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

Conditions permitting the TRIP RESET switch resets the _____ .

Answer 2

BLEED TRIP OFF, ZONE TEMP and PACK lights.

Question 3

With the ISOLATION VALVE SWITCH in AUTO the ISOLATION VALVE ______ .

Answer 3

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

Question 4

The APU Bleed Valve with an Engine Bleed Air Valve open can _____ .

Answer 4

be opened when starting engines but avoid engine power above idle.

Question 5

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

Answer 5

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

Question 6

The WING-BODY OVERHEAT (amber) light indicates _____.

Answer 6

a bleed air leak in a critical area.

Question 7

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

Answer 7

Maximum Certified Altitude

Question 8

A ______ Valve pneumatically modulates to control airflow into the respective Air Conditioning Pack base on air conditioning demands.

Answer 8

Pack

Question 9

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

Answer 9

inflight with flaps retracted

Question 10

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

Answer 10

Both

Question 11

The Air Recirculation Fans draw warm air from _____.

Answer 11

all of the above

Question 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

Position PACK switches _______ when using external conditioned air.

Answer 13

OFF

Question 14

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

Answer 14

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

Question 15

Packs produce air temperature to satisfy the _____.

Answer 15

zone requiring the most cooling.

Question 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

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

Answer 17

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

Question 18

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

Answer 18

Crew Call Horn in the nose wheel well.

Question 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

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

Answer 20

any position

Question 21

OFF SCHED DESCENT (amber) illuminates if the _____/

Answer 21

aircraft begins to descend without reaching the preset cruise altitude

Question 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

With Cabin Pressurization Mode Selector in MAN a _____.

Answer 23

spring-loaded switch open and closes outflow valve

Question 24

To decrease cabin altitude when using the Cabin Pressurization Mode in MAN _____.

Answer 24

close the outflow valve

Question 25

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

Answer 25

Takeoff Configuration