Small Engines Quiz

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

• Intake, Compression, Power, Exhaust

• Compression, Intake, Exhaust, Power

• Power, Compression, Intake, Exhaust

• Exhaust, Power, Compression, Intake

During which stroke of a four-stroke engine is the air-fuel mixture introduced into the combustion chamber?

• Compression

• Exhaust

• Intake

• Power

What happens during the compression stroke of a four-stroke engine?

• The air-fuel mixture is ignited.

• The air-fuel mixture is compressed.

• Exhaust gases are expelled.

• The air-fuel mixture is introduced.

Which stroke of a four-stroke engine is responsible for producing mechanical power?

• Intake

• Compression

• Power

• Exhaust

In a four-stroke engine, what occurs during the exhaust stroke?

• The piston moves up, expelling the exhaust gases.

• The piston moves down, drawing in the air-fuel mixture.

• The air-fuel mixture is compressed.

• The air-fuel mixture is ignited.

What component is responsible for the ignition of the air-fuel mixture in a four-stroke gasoline engine?

• Carburetor

• Spark plug

• Injector

• Camshaft

How many complete cycles does the crankshaft make in one cycle of a four-stroke engine?

• One

• Two

• Four

• Half

What is the purpose of the camshaft in a four-stroke engine?

• To control the fuel injection

• To ignite the air-fuel mixture

• To control the opening and closing of the valves

• To convert linear motion into rotational motion

Which of the following is NOT a component of a four-stroke engine?

• Piston

• Crankshaft

• Turbocharger

• Camshaft

What role does the oil play in a four-stroke engine?

• Cooling the engine

• Igniting the air-fuel mixture

• Lubricating moving parts

• Cleaning the combustion chamber