Air Bonditioning
What component increases the heat exchangers' cooling efficiency?
Water injector nozzle
What stages of bleed air is used for pneumatics?
17th and 10th stages.
What is the mineral used to convert bleed air to NEA?
Zeolite Crystal.
115 VAC 3-phase 400 HZ
What are the three lighting systems?
internal, external and emergency.
What component modulates to controls air temperature?
Trim-air valve.
What percentage of throttle movement causes the high stage valve to close
30%
What pressure is the NEA in the fuel tanks regulated to?
0.4±0.2 PSIG
What controls and monitors IDG's
GCU
How is a torque wrench properly lubed?
3 clicks in both directions.
What allows air to flow through a clogged or frozen water sock?
Bypass valve
What valve allows air to cross from the left and right side of the aircraft?
Isolation Valve.
What valves regulates NEA pressure to the fuel tanks?
Low Pressure Regulator (LPR)
What two things in the external power electrical connector are used to ensure the connecter is properly connected?
Pins E and F.
30 minutes
At what temperature does the turbine inlet fusible plug rupture?
279-294 degrees Fahrenheit
High Stage and PPRV
The OBIGGS compressor shuts off at this storage tank pressure range.
What is 2700 - 3000 psi?
What component converts DC to AC Power?
Static Power Inverter
What is the operating rpm percentage of the APU
97-101%
What valve increases air-flow to the avionics?
Augmentation Valve
What operates the Fan Air valve?
PPRV Pilot Valve.
At what hydraulic PSI does the OBIGGS compressor shut off?
2200 PSI
How many cells are in a main storage battery, and what is their voltage?
19 cells at 1.4V
At what pressure does the agent low light illuminate for the engine fire bottles?
340 to 400 PSIG