Module 10: Engine Air Flashcards
1
Q
What are the purposes for ENGINE AIR?
A
Thrust Cooling/venting ACC Bearing pressurization COMP bleed control (stall/surge) COMP air for engine/airframe
2
Q
If the primary air is used for COMBUSTION and secondary is used for COOLING, what type of engine is it?
A
turboJET
3
Q
If the air is for thrust and NACELLE cooling, what type of engine is it for?
A
turboFAN
4
Q
What interior componenets require cooling?
A
COMP
COMB
TURBINE
engine gen
5
Q
What is NACELLE cooling and what is it for?
A
Exterior cooling/venting
6
Q
How are the ACTIVE CLEARANCE CONTROL systems operated?
A
FADEC
7
Q
RACC uses which air?
A
Compressor bleed
8
Q
LPTACC uses which air?
A
FAN air
9
Q
HPTACC uses which air?
A
COMP DISCHARGE air
10
Q
What do we use along with COMPRESSOR BLEED AIR to offset AXIAL loads on the bearings?
A
PRESSURE BALANCE SEALS
11
Q
What prevents stalls and surges?
A
COMPRESSOR BLEED CONTROL
