Air Flashcards
BLEED TRIP OFF (amber) light indicates the Engine Bleed Air Valve automatically closed due to excessively _____ engine bleed air temperature _____.
high / or high pressure
Conditions permitting”,” the TRIP RESET switch resets the _____.
BLEED TRIP OFF”,” ZONE TEMP”,” and PACK lights
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
Thrust must be limited to idle with the ________ light illuminated.
DUAL BLEED
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
The WING-BODY OVERHEAT (amber) light indicates ________.
a bleed air leak in a critical area
A single pack in high flow mode is capable of maintaining pressurization and acceptable temperatures throughout the aircraft up to the_____.
Maximum Certified Altitude
The _____ pneumatically modulate(s) to control airflow into the respective Air Conditioning Pack based on air conditioning demands.
Pack valves
With one pack not operating”,” the other pack automatically switches to “high air flow”
inflight with the flaps retracted
With both RECIRC FAN switches on AUTO”,” and both PACK switches on AUTO”,” _____ Recirculation Fan(s) operate(s).
both
The Air Recirculation Fans draw warm air from _____.
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
Illumination of a ZONE TEMP (amber) lights indicate a zone supply duct overheat and the associated _____ .
Trim Air Modulating Valve closes
Position PACK switches ______ when using external conditioned air.
OFF
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.
Packs produce air temperature to satisfy the _____.
zone requiring the most cooling
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 Recall
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 _____ 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
The Outflow Valve Position Indicator operates with the Pressurization Mode Selector in _____.
any position
OFF SCHED DESCENT (amber) illuminates if the _____.
aircraft begins to descend without reaching the preset cruise altitude
Upon descent”,” the Cabin Pressurization Controller _____ if OFF SCHED DESCENT light (amber) remains illuminated.
pressurizes cabin to takeoff airport altitude
With Cabin Pressurization Mode Selector in MAN”,” a _____.
spring-loaded switch opens and closes outflow valve
To decrease cabin altitude when using the Cabin Pressurization Mode Selector in MAN”,” _______.
close the outflow valve
Cabin Altitude and _____ warnings use the same aural tone (intermittent horn) when activated.
Takeoff Configuration
