Unit 2 Flashcards

1
Q

What is the forward-driving force that the expelled mass of air creates?

A

Thrust

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What is needed to overcome drag?

A

Force

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Three different types of engines that power most of the aircraft in the airforce inventory.

A

Turbojet, Turboprop, and Turbofan

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Temperature of atmosphere’s relation to power output of engine

A

High temperature = Lower power
Low temperature = High power

Aka They work in inverse

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Pressure of the atmosphere in relations to the power output of the engine

A

Low Pressure = Low Power
High Pressure = High Power

Aka They scale together

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What is a non-combusted air that is pulled from an engine to run pnuematic systems?

A

Bleed Air

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

When bleed air is extracted from the engine, what happens?

A

A small portion of thrust is lost

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What jet engine component channels incoming air into the compressor?

A

Air Inlet

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What jet engine component supplies air in sufficient quanity to produce the required engine thrust?

A

Compressor

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

This compressor component are small airfoil blades attached to a spindle

A

Rotors

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

This compressor component are airfoil blades fixed in the engine; THEY DO NOT ROTATE. BIG HINT THEY STAY!!

A

Stators

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What jet engine component slows down the air discharged by the compressor?

A

Diffuser

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Where is the fuel mixed with compressor discharge air and then IGNITED?

A

Combustion Chamber

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What jet engine component transforms a portion of the exhaust gas energy into mechanical energy?

A

Turbine

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What jet engine component directs the flow of hot gases leaving the turbine?

A

Exhaust

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What jet engine component provides space for accessories necessary for operations and control of the engine?

A

Accessory Section

17
Q

What transmits power to motors that drive fuel pumps, oil pumps, hydraulic pumps, electrical generators, and other essential systems?

A

A Gear Shaft

18
Q

What jet engine uses the gas turbine to spin a large fan at the front of the engine?

A

Turbofan

19
Q

What jet engine spins a reduction gearbox at the front of the engine?

A

Turboprop

20
Q

What jet engine is a small, self-contained jet engine that is used to power various systems while on the ground?

A

Auxiliary Power Unit (APU)