Bleed Air and Fuel Limits Flashcards
Cockpit pressurization begins at _____ MSL and holds that pressure until _____, then maintains _____ of ambient pressure.
10,000’; 18,000’; 60%
Minimum core RPM to motor and/or start the other engine is _____
85%
To maintain sufficient bleed air to support OBOGS and air conditioning during ground ops, leave the _____ running.
APU
Manual cockpit adjustment of temperature control valve requires _____ to adjust cockpit temperature from full hot to full cold.
13 seconds
BLEED AIR LEAK light illuminates when _____ temperature is sensed in the fuselage near the bleed-air manifold.
400°F
While depressing the fuel test indicator button the fuel gauge should display TOTAL FUEL of _____, and _______ on the L and R pointers.
6000 +/- 400; 3000 +/- 300
During APU start, an operable DC fuel pump must be confirmed by checking that the _____ light has gone out.
L-FUEL PRESS
The tank gate can be used to transfer fuel between the internal main tanks until fuel in both tanks reduces below _____ each (in level flight).
1300 pounds
A fuel imbalance in the internal main tanks of _____ will illuminate the L-R TANKS UNEQUAL caution light.
750 +/- 250 pounds
An internal fuel imbalance of _____, with the left tank exceeding the right tank, will shift the CG aft and may impose airspeed restrictions.
1000 pounds
Trapped fuel in a full internal wing tank can only begin to gravity feed when its corresponding internal main tank drops below _____.
600 pounds
Fuel quantity in an internal main tank of approximately _____ will illuminate the respective FUEL LOW caution light.
500 pounds
With boost pump failure, engines can suction feed from the internal main fuel tanks up to _____, and in most cases up to _____.
10,000’; 20,000’
Pressurized external fuel tanks cycle fuel into the internal tanks (normally wings) once they drop _____ or after approximately _____.
400 pounds, 10 minutes
