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Diesel Engine Theory Review

Total questions: 19

Worksheet time: 14mins

Name
Class
Date
1.

The main purpose of an internal combustion engine is to?

a)

Turn burning fuel into usable power

b)

Burn fuel to create emissions

c)

Power equipment

d)

Make the best sounds on earth

2.

What is the main difference between spark and compression ignition?

a)

How the fuel is ignited (spark plug vs. no spark plug)

b)

Speed of operation

c)

Use

d)

Size

3.

The purpose of the cylinder block is to?

a)

House most of the engines components

b)

Increase combustion

c)

Lubrication

d)

House the pistons

4.

What is the difference between a dry and wet cylinder liner?

a)

Whether it contacts coolant or not

b)

How it is installed in the engine

c)

Its cooling effectiveness

d)

Size

5.

Pistons have how many rings?

a)

1

b)

2

c)

3

d)

4

6.

Which piston ring is responsible for sealing off 90% of combustion inside the engine?

a)

Compression Ring

b)

Intermediate Ring

c)

Oil Control Ring

d)

Engagement Ring

7.

The crankshaft converts up and down movement into?

a)

Rotary movement

b)

Cylindrical Movement

c)

Reciprocating Movement

d)

Fast movement

8.

The timing gear connects all of these together in time except?

a)

Flywheel

b)

Crankshaft

c)

Camshaft

d)

Fuel Cam

9.

The flywheel in a diesel engine differs from a small engine mainly because it has...

a)

Teeth for the electric starter

b)

More bolts

c)

Heavier weight

d)

Thinner

10.

The camshaft actuates (moves) the valve train using...

a)

Cam Lobes

b)

Cam Plungers

c)

Cam Fingers

d)

Eggs

11.

The cylinder head forms which part of the combustion chamber.

a)

Top

b)

Middle

c)

Bottom

d)

Side

12.

A turbo charger is driven by...

a)

Exhaust Gas

b)

Belts

c)

Fuel Pressure

d)

Oil Pressure

13.

A Supercharger is driven by the engines?

a)

Belt System

b)

Exhaust Gas

c)

Oil Pressure

d)

Wheel speed

14.

The most popular engine configuration in diesel engines is...

a)

Inline

b)

V

c)

Radial

d)

Boxer

15.

In an inline engine all cylinders are placed?

a)

Right next to each other in a line

b)

In a V shape at 45-60 deg. Angles

c)

Opposed from each other

d)

In a circular orientation

16.

V-Shaped engines always come in?

a)

Even numbers

b)

Odd Numbers

17.

Boxer Engines are opposed at how many degrees?

a)

45

b)

65

c)

80

d)

90

18.

W type engines combine what two engine designs.

a)

Inline and V

b)

Inline and Radial

c)

Boxer and Inline

d)

V and Radial

19.

Radial engines are most commonly found where?

a)

Planes

b)

Buses

c)

Trucks

d)

VW Beetle