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CH2: Internal Combustion Engine (ICE) - W2

Total questions: 12

Worksheet time: 8mins

Name
Class
Date
1.

Who invented the first successful four-stroke engine known as the 'Otto cycle'?

a)

Christian Huygens

b)

Jean Joseph Étienne Lenoir

c)

Nikolaus August Otto

d)

Sir Dougald Clerk

2.

Who received the first patent for a gas-fueled car?

a)

Christian Huygens

b)

Jean Joseph Étienne Lenoir

c)

Karl Benz

d)

Rudolph Diesel

3.

Who designed the diesel engine which is heavier and more powerful than gasoline engines?

a)

Christian Huygens

b)

Jean Joseph Étienne Lenoir

c)

Nikolaus August Otto

d)

Rudolph Diesel

4.

What is the fundamental principle behind an internal combustion engine (ICE)?

a)

Harnessing electrical power for propulsion

b)

Utilizing air pressure for motion

c)

Converting chemical energy into mechanical energy

d)

Converting heat energy into kinetic energy

5.

What is the purpose of a cylinder in an internal combustion engine?

a)

To burn fuel explosively

b)

To convert chemical energy to mechanical energy

c)

To transmit power from piston to crankshaft

d)

To enclose the chamber where fuel is burnt

6.

What is the air/fuel mixture in an internal combustion engine?

a)

A mixture of fuel and air in a specific ratio

b)

The movement of the intake valve

c)

The process of compression

d)

The movement of the exhaust valve

7.

How is power transmitted to the wheels in an internal combustion engine?

a)

Connecting rod to crankshaft

b)

Crankshaft to drive shaft

c)

Drive shaft to wheels

d)

All of the above

8.

What is a stroke in an internal combustion engine?

a)

Complete half crankshaft rotation

b)

Complete piston movement up and down

c)

The process of combustion

d)

The movement of the intake valve

9.

When comparing 4-stroke and 2-stroke engines, which statement is correct?

a)

4-stroke engines are less fuel-efficient than 2-stroke engines.

b)

2-stroke engines have a more complex design with additional moving parts.

c)

4-stroke engines have intake and exhaust strokes.

d)

2-stroke engines are generally heavier than 4-stroke engines.

10.

What is the stoichiometric air/fuel mixture ratio for an internal combustion engine?

a)

14.7:1

b)

Less than 14.7

c)

More than 14.7

d)

Depends on the fuel type

11.

When comparing combustion spark and compression ignition engines, which statement is correct?

a)

Combustion spark engines rely on compressing air and fuel mixture before ignition.

b)

Compression ignition engines are commonly used in gasoline-powered vehicles.

c)

Combustion spark engines operate without the need for spark plugs.

d)

Compression ignition engines require a spark to initiate combustion.

12.

In the context of comparing combustion spark and compression ignition engines, which of the following statements is accurate?

a)

Combustion spark engines are primarily used in diesel vehicles.

b)

Compression ignition engines use spark plugs to initiate combustion.

c)

Combustion spark engines rely on the heat generated by high compression to ignite the air-fuel mixture.

d)

Compression ignition engines are also known as diesel engines.