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Engines

Total questions: 19

Worksheet time: 10mins

Name
Class
Date
1.

What helicopter is this?

a)

Wildcat HMA

b)

F-35 Lightning

c)

Merlin Mk2

d)

Sea Harrier

2.

What part of the engine is this?

a)

Compressor

b)

Exhaust

c)

Intake

d)

Combustion Chamber

3.

What are the names of the two Fleet Air Arm Air Stations?

a)

RNAS Culdrose

b)

RNAS Portsmouth

c)

RNAS Yeovilton

d)

RNAS Southwick

4.

What best describes the Otto cycle?

a)

Combustion occurs at a constant volume.

b)

Combustion occurs at near constant pressure.

c)

Combustion doesn't occur.

d)

Combustion occurs at a constant temperature.

5.

For a convergent duct... which of the following is true?

a)

V increases, P decreases, T decreases

b)

V increases, P increases, T increases

c)

V decreases, P increases, T increases

d)

V decreases, P decreases, T decreases

6.

Bernoulli's Theorem states that when air flows through a parallel duct; V,P,T will..

a)

Increase

b)

Decrease

c)

Remain constant

7.

What part of the engine is displayed here?

a)

Combustion Chamber

b)

Exhaust

c)

Air Intake

d)

Compressor

8.

What part of the engine is this?

a)

Air Intake and Compressor

b)

Exhaust

c)

Combustion Chamber

d)

Accessory Gearbox

9.

Which cycle?

a)

Otto Cycle

b)

Brayton Cycle

10.

What is the main purpose of a combustion chamber? Select two answers.

a)

To draw air into the engine.

b)

To efficiently mis the fuel and air together.

c)

To control and contain the combustion process.

d)

To drive the accessory gearbox.

11.

What aircraft uses a Lift Fan?

a)

F35 Lightning

b)

Wildcat HMA

c)

Merlin Mk2

d)

Merlin Mk4

12.

How may we deal with Salt Water Ingestion in our engines?

a)

With a sprinkle of fairy dust...

b)

Complete a fresh water wash to remove salt deposits.

c)

No action needed, the salt will fall out of the engines under such high temperatures.

d)

Use any water, fresh or salt water to remove salt deposits.

13.

Pick two important results of salt ingestion in our compressors.

a)

Changes aerodynamic shape of the compressor blades.

b)

Reduces compressor efficiency.

c)

Causes the compressor blades to smell and turn a green colour.

d)

Cleans the compressor blades.

14.

Fresh water wash, industrial wash and turbo blasting are all methods of cleaning what?

a)

Compressor

b)

Combustion chamber

c)

Exhaust

d)

Air Intake

15.

A well known method of assessing blade damage is called:

a)

blade blending

b)

blade trending

c)

blade smoothing

d)

blade hardening

16.

What may be included in typical hot end checks? Choose two.

a)

Turbine Blades

b)

Fuel Levels

c)

Exhaust and Jet Pipe

d)

Oil Levels

17.

What engine is currently fitted within our Merlin aircraft within the Royal Navy?

a)

Rolls Royce RTM 322

b)

Rolls Royce Olympus 593

c)

Ford Flathead V8

d)

Honda K20

18.

What is the correct sequence for the four basic engine processes?

a)

Induction, Compression, Combustion, Exhaust

b)

Combustion, Induction, Compression, Exhaust

c)

Control, Combustion, Exhaust, Compression

d)

Control, Compression, Combustion, Induction

19.

An Internal Combustion Engine converts Thermal Energy into

a)

Mechanical Energy

b)

Gravitational Potential Energy

c)

Chemical Energy

d)

Nuclear Energy