Verbrennungsmotoren: Online-Quiz für Kfz-Mechatronikerinnen

Question 1

Which of the following is NOT a type of internal combustion engine?

Accepted Answer

Electric motor

Answer

Gasoline engine

Answer

Rotary engine

Answer

Diesel engine

Question 2

What is the function of a piston in an internal combustion engine?

Accepted Answer

To compress the air-fuel mixture and generate power during expansion

Answer

To control the intake and exhaust valves

Answer

To lubricate the engine components

Question 3

Which of the following is the correct sequence of the four strokes in a four-stroke engine?

Accepted Answer

Intake, compression, power, exhaust

Answer

Power, compression, exhaust, intake

Answer

Compression, intake, exhaust, power

Answer

Intake, power, exhaust, compression

Question 4

What is the purpose of a spark plug in a gasoline engine?

Accepted Answer

To ignite the air-fuel mixture

Answer

To inject fuel into the cylinder

Answer

To control the timing of the valves

Answer

To cool the engine

Question 5

What is the term for the energy released when fuel burns in an internal combustion engine?

Accepted Answer

Heat energy

Answer

Mechanical energy

Answer

Light energy

Answer

Electrical energy

Question 6

Which of the following is an advantage of diesel engines over gasoline engines?

Accepted Answer

Higher fuel efficiency

Answer

Smoother operation

Answer

Lower maintenance costs

Answer

Lower emissions

Question 7

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

Accepted Answer

To reduce harmful emissions

Answer

To increase fuel efficiency

Answer

To improve engine performance

Answer

To reduce noise

Question 8

What is the function of a radiator in an internal combustion engine?

Accepted Answer

To dissipate heat from the engine

Answer

To lubricate the engine components

Answer

To filter the air intake

Answer

To store fuel

Question 9

Which of the following is NOT a type of internal combustion engine?

Accepted Answer

Steam engine

Answer

Diesel engine

Answer

Gasoline engine

Answer

Wankel engine

Question 10

What is the purpose of the piston rings in an internal combustion engine?

Accepted Answer

To seal the combustion chamber and prevent leakage of gases

Answer

To lubricate the piston and cylinder walls

Answer

To regulate the intake and exhaust of air and fuel

Question 11

Which of the following is the most efficient type of internal combustion engine cycle?

Accepted Answer

Otto cycle

Answer

Diesel cycle

Answer

Brayton cycle

Answer

Rankine cycle

Question 12

What is the role of the camshaft in an internal combustion engine?

Accepted Answer

To open and close the intake and exhaust valves

Answer

To convert linear motion into rotary motion

Answer

To regulate the ignition timing

Question 13

Which of the following is a characteristic of a two-stroke internal combustion engine?

Accepted Answer

It completes one power cycle in two strokes of the piston

Answer

It is more efficient than a four-stroke engine

Answer

It has four valves per cylinder

Question 14

What is the purpose of the turbocharger in an internal combustion engine?

Accepted Answer

To increase the air pressure entering the engine

Answer

To regulate the exhaust gas temperature

Answer

To lubricate the engine components

Answer

To convert rotary motion into linear motion

Question 15

Which of the following is NOT a factor that affects the power output of an internal combustion engine?

Accepted Answer

Ambient air temperature

Answer

Fuel quality

Answer

Engine speed

Answer

Valve timing

Question 16

What is the purpose of the spark plug in a gasoline engine?

Accepted Answer

To ignite the air-fuel mixture in the cylinder

Answer

To convert linear motion into rotary motion

Answer

To regulate the exhaust gas temperature

Answer

To control the flow of air into the engine

Question 17

Which of the following is a type of fuel used in diesel engines?

Accepted Answer

Cetane

Answer

Natural gas

Answer

Octane

Answer

Propane

Question 18

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

Accepted Answer

To cool the air entering the engine

Answer

To convert linear motion into rotary motion

Answer

To increase the pressure of the exhaust gases

Answer

To regulate the fuel flow