Water / Fire / Oxygen Flashcards
What generates the vacuum for the toilets?
Vacuum generator of differential pressure.
What’s the difference between a line drain and purge?
Line drain removes water from lines; purge removes water from the entire system. It pushes compressed air thru the lines.
Name three places where the water system is normally controlled?
Touch Screens
External Service Panel
Tank Enclosure
What switches in the cockpit control power for both the water and waste system?
CABIN/GALLEY Master and SSPCs
When the pilot oxygen mask is removed from the storage container, what activates the shutoff valve?
The open doors
What kind of test are you performing with the PRESS-TO-TEST AND RESET control switch on the Pilot/Co-Pilot Oxygen masks?
Leak Check
At what cabin altitude (approx) will the pax masks auto deploy?
~14,750’
Or ~15,750’ with “High Alt” Switch depressed.
How many O2 bottles are there?
Two
When does overboard discharge occur (green disk blow)?
High Pressure in cylinders or high temperature
Testing, indication and operation of the fire detection system is available down to what source of power?
Main batteries only
What happens when a fire loop fails?
Crew deselects the faulty loop and continues operation.
What’s the name of the computer or microprocessor that controls the fire detection system?
Fire Detection Control Unit
The Smoke vacation valve above baggage compartment entry door has how many positions?
Two
Aft Baggage EER Hot Amber message illuminates when the Baggage Electrical Equipment Rack temperature reaches or exceeds_______.
150°F
Aft Equipment Hot Red CAS message illuminates when the temperature of the aft equipment area (hell hole) is above _______.
250°F
Possibility exists that high pressure duct has blown or that fire is in progress.
