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How a jet engine works

Total questions: 11

Worksheet time: 23mins

Name
Class
Date
1.

In which direction does the thrust force move an aircraft?

a)

Down

b)

Tangentially

c)

Up

d)

Forward

2.

What is the role of exhaust nozzle for jet engines?

a)

Reduce the air speed before entering into compressor

b)

Convert the internal gas energy from the turbine to the kinetic energy for producing thrust

c)

Compress the air for increasing the density before entering into the burner

3.

Compressor will squeeze air until the air get hotter and air ________ increase.

a)

Pressure

b)

Ambient

c)

Turbine

d)

Flight

4.

What happen in combustion chamber?

a)

Fuel will injected and it burned with hot air.

b)

Air was compressed and getting hotter.

c)

Hot air rotate turbine blade.

d)

Air cooled to ambient temperature.

5.

Turbine convert ______(A)______ energy to ______(B)_______ energy.

a)

A power

B propulsion

b)

A mechanical

B electrical

c)

A kinetic

B potential

d)

A chemical

B mechanical

6.
Another term for burning is
a)
Fire triangle
b)
Magnesium oxide
c)
Combustion
d)
Bustion
7.

What is the name of the section labeled 3?

a)

Combustor

b)

Compressor

c)

Fan

d)

Turbine

8.

What type of engine is pictured?

a)

Internal Combustion

b)

Turbojet

c)

Turbofan

d)

Turboprop

9.

What is the purpose of an afterburner

a)

Increase thrust

b)

Increase efficiency

c)

Increase cooling

d)

Increase combustion

10.

Which law states that for every action there is an equal and opposite reaction?

a)

1st Law

b)

2nd Law

c)

3rd Law

11.

Explain briefly how a jet engine works. Make sure you mention all the stages and the main parts. Make sure to avoid copying from other websites since this is regarded as plagiarism. Your answer should be at least 75 words. (no need to write it as a paragraph)

4 lines