Engine (10 Questions)-MVR.

The timing belt connects the:

• Crankshaft to the wheels

• Camshaft to the crankshaft

• Spark plugs to the distributor

• Battery to the starter motor

A broken engine coolant temperature sensor may cause the:

• Engine to overheat

• Brakes to malfunction

• Headlights to dim

• Radio to lose signal

What is the purpose of the valve springs in an engine?

• To control the flow of engine oil

• To close the valves against combustion pressure

• To absorb vibrations from the engine

• To conduct electricity to the spark plugs

What is the primary function of the spark plugs in a gasoline engine?

• To filter air entering the engine

• To ignite the air-fuel mixture

• To regulate engine temperature

• To generate electricity for the battery

What does TDC (Top Dead Center) refer to in a four-stroke engine?

• The position of the piston at the bottom of its stroke

• The position of the piston halfway up its stroke

• The maximum outward movement of the piston

• The maximum inward movement of the piston

What is the role of the air filter in a car engine?

• To prevent dirt and debris from entering the engine

• To regulate engine temperature

• To control the flow of fuel

• To generate electrical power

The main function of the engine oil is to:

• Provide power

• Lubricate moving parts

• Ignite the air-fuel mixture

• Cool the engine head

What is the purpose of the PCV valve in an engine's crankcase ventilation system?

• To control the flow of engine oil

• To remove excess pressure and crankcase vapors

• To regulate engine temperature

• To improve fuel efficiency

The function of the piston rings in an engine is to:

• Control air intake

• Seal the combustion chamber

• Drive the crankshaft

• Cool the engine block

A rich air-fuel mixture will result in:

• Increased power and lower fuel efficiency

• Decreased power and lower fuel efficiency

• Increased power and higher fuel efficiency

• Decreased power and higher fuel efficiency