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Terms in this set (18)
(767) What creates low pressure which causes sampled air to be pulled through smoke detectors?
Center pneumatic duct pressure
What occurs if both engine or APU fire detector loops fail?
W and 767) FIRE/OVHT SYS EICAS message annunciates
How many wheel well fire loops are installed?
Single fire detector loop
(RR) What occurs if both engine fire loops fail?
Fire indication occurs
(757) Cargo compartment fire protection consists of what systems?
Cargo compartment smoke detection, cargo
compartment fire warning, and cargo compartment fire suppression
When is the Engine or APU Fire Override switch required to be used?
If the respective switch fails to electrically unlock
How many fire extinguishing bottles are installed for the APU on aircraft N362UP - N364UP?
What does the SYS FAIL P-RESET light and FIRE/OVHT SYS EICAS message indicate?
Fire or overheat detection is inoperative for loops asshown on the Status page
What action(s) silences the fire bell?
Pushing either Master/Warning Reset switch on the
How many fire extinguishing bottles are installed for engine fire control?
How many fire extinguishing bottles are installed for the APU (except for N362UP - N364UP)?
What occurs after pushing the Cargo Fire switch?
Gradual aircraft depressurization occurs to approximate flight altitude
(757) What motive force draws air through the main cargo smoke detectors?
Aft E/E cooling fans
What occurs when an Engine Fire switch is PULLED OUT?
The fuel is shut off to the associated engine, the engine bleed valves are closed, the generator is tripped off, the hydraulic fluid is shut off, the fire extinguisher bottle is armed and reverse thrust is disabled
What occurs if a fault is detected in one of the engine or APU fire detector loops?
If one loop fails, the system will automatically reconfigure to single loop operation
(767) What occurs when the Cargo Fire switch is pushed?
Equipment cooling goes into override mode
When does automatic testing of the engine fire and overheat detectors, APU fire detectors and cargo compartment smoke detectors occur?
When electrical power is initially applied or transferred
What does the L or R ENG OVHT light and EICAS message indicate?
Overheat is detected in the engine nacelle
THIS SET IS OFTEN IN FOLDERS WITH...
Pneumatic, Bleed Air
Air Conditioning, Pressurization
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