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Internal Combustion Engine

Total questions: 15

Worksheet time: 8mins

Name
Class
Date
1.

The main function of the engine _______ is to let air in and out of the cylinders.

a)

Camshaft

b)

Valves

c)

Rocker arm

d)

Connecting Rod

2.

A four-stroke cycle engine is an internal combustion engine that utilizes four distinct piston strokes to complete one operating cycle. What are the 4 basic steps in the correct order?

a)

Intake, Power , Compression, Exhaust

b)

Compression, Power, Intake, Exhaust

c)

Intake, Exhaust, Compression, Power

d)

Intake, Compression, Power, Exhaust

3.

A four - stroke engine generates power _____ time(s) during a complete cycle.

a)

1

b)

4

c)

2

d)

3

4.

During the intake stroke, ________________________________.

a)

Spent gases are forced out of the combustion chamber from the piston's travel from BDC to TDC

b)

Fuel is supplied to the combustion chamber

c)

Air - fuel mixture is deposited into the combustion chamber

d)

The piston travels from BDC to TDC to compress the fuel charge prior to ignition

5.

Ignition of the charge occurs in between the following two strokes: _________________ and _________________.

a)

Intake, Power,

b)

Compression, Power

c)

Power, Exhaust

d)

Intake, Compression

6.

Compression is a key element of an internal combustion engine. Which engine component supplies the compression needed to power an engine?

a)

Crankshaft

b)

Ignition Armature

c)

Connecting Rod

d)

Piston

7.

The piston travels from BDC to TDC with the exhaust open on which stroke?

a)

Exhaust

b)

Compression

c)

Intake

d)

Power

8.

The CYLINDERS where the PISTONS are housed are in one line (1 Bank) and upright.

a)

Boxer

b)

Inline

c)

V-Engine

d)

Rotary Engine

9.

During a power stroke the piston moves down with_____

a)

A Vaccum

b)

Valves Opened

c)

Great Force

d)

Large Spark

10.

Which of the following is not an internal combustion engine

a)

2-stroke petrol engine

b)

steam turbine

c)

4-stroke petrol engine

d)

diesel engine

11.

A petrol engine, during intake stroke draws

a)

petrol only

b)

a mixture of petrol and air

c)

air only

d)

none of the mentioned

12.

What position are the valves in during the intake stroke

a)

Intake Closed, Exhaust Closed

b)

Intake Open, Exhaust Closed

c)

Intake Open, Exhaust Open

d)

I have no idea

13.

Which of the following medium is compressed in diesel engine cylinder

a)

Fuel alone

b)

Air and petrol

c)

Air and lubrication oil

d)

Air alone

14.

In a diesel engine,the fuel is injected by_________

a)

fuel pump

b)

Spark plug

c)

Ignitor

d)

Injector

15.

What direction is the piston traveling during the Power-Stroke?

a)

Up

b)

Left

c)

Down

d)

Right