Air Flashcards
The Outflow Valve Position Indicator operates with the
Pressurization Mode Selector in _____.
any position
With one pack not operating”,” the other pack automatically
switches to “high air flow”
inflight with the flaps retracte
The APU Bleed Valve”,” with an engine Bleed Air Valve
open”,” can____________.
be opened when starting engines”,” but avoid engine
power above idle
The _____ provides an Equipment Cooling alert if an over
temperature occurs on the ground.
Crew Call Horn in the nose wheel well
The Overboard Exhaust Valve (OEV) ______.
when closed”,” diffuses equipment cooling exhaust air
around the lining of the Forward Cargo Compartment
Upon descent”,” the Cabin Pressurization Controller _____ if
OFF SCHED DESCENT light (amber) remains illuminated.
pressurizes cabin to takeoff airport altitude
Conditions permitting”,” the TRIP RESET switch resets the
_____
) BLEED TRIP OFF”,” ZONE TEMP”,” and PACK lights
DUAL BLEED (amber) light illuminates when APU Bleed Air Valve is open and \_\_\_\_\_.
No. 1 Engine BLEED Valve Switch ON or No. 2 Engine
BLEED Valve Switch ON with the ISOLATION VALVE open
Is it possible to control”,” from the flight deck”,” the
temperature of conditioned air from an external air source?
No”,” flight deck controls are ineffective in controlling or
modifying external air temperatures
Positioning all Zone Temperature Selectors to OFF causes
pack controls to ______.
) maintain 75 degrees F on left pack and 65 degrees F on
right pack
The Air Recirculation Fans draw warm air from _____
the E/E Bay
2) the Passenger Cabin
3) the lining of the Forward Cargo Compartment
4) all of the above
Cabin Altitude and _____ warnings use the same aural tone
(intermittent horn) when activated
Takeoff Configuration
A single pack in high flow mode is capable of maintaining
pressurization and acceptable temperatures throughout the
aircraft up to the____
Maximum Certified Altitude
To decrease cabin altitude when using the Cabin
Pressurization Mode Selector in MAN”,” _______.
close the outflow valve
Failure of the primary Flight Deck zone temperature control
causes _____
automatic switch to backup control and illumination of
CONT CAB ZONE TEMP (amber) light on Master Caution
Recal
The WING-BODY OVERHEAT (amber) light indicates
________.
a bleed air leak in a critical area
Illumination of a ZONE TEMP (amber) lights indicate a zone
supply duct overheat and the associated _____ .
Trim Air Modulating Valve closes
With the ISOLATION VALVE SWITCH in AUTO”,” the
ISOLATION VALVE _____.
opens when any ENGINE BLEED AIR switch or any air
conditioning PACK switch is OFF
Packs produce air temperature to satisfy the _____.
zone requiring the most cooling
A _____ Valve pneumatically modulates to control airflow
into the respective Air Conditioning Pack based on air
conditioning demands.
) Pack
BLEED TRIP OFF (amber) light indicates the Engine Bleed Air
Valve automatically closed due to excessively _____ engine
bleed air temperature _____
high / or high pressure
Position PACK switches ______ when using external
conditioned air
OFF
OFF SCHED DESCENT (amber) illuminates if the _____.
aircraft begins to descend without reaching the preset
cruise altitude
With both RECIRC FAN switches on AUTO”,” and both PACK
switches on AUTO”,” _____ Recirculation Fan(s) operate(s)
both
With Cabin Pressurization Mode Selector in MAN”,” a _____.
spring-loaded switch opens and closes outflow valve
