Automotive Engine Practice

What is the main type of engine used in most automobiles?

• internal combustion engine

• hybrid engine

• steam engine

• electric engine

Which component is responsible for converting fuel into mechanical energy in an internal combustion engine?

• spark plugs

• exhaust pipe

• pistons

• radiator

What are the four strokes in a four-stroke internal combustion engine?

• intake, compression, ignition, and exhaust

• intake, compression, combustion, and exhaust

• inlet, compression, combustion, and exhaust

• intake, compression, ignition, and emission

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

• To provide electrical power to the spark plugs.

• To transfer force from combustion to the crankshaft.

• To regulate the flow of fuel into the engine.

• To cool down the engine.

Which engine component is responsible for controlling the opening and closing of the intake and exhaust valves?

• crankshaft

• camshaft

• piston

• spark plug

What is the purpose of engine lubrication?

• To promote wear and damage

• To increase friction and heat

• To reduce friction, heat, and prevent wear and damage.

• To reduce efficiency and performance

Which type of lubricant is commonly used in automotive engines?

• engine oil

• car oil

• vehicle oil

• motor oil

What is the purpose of the engine cooling system?

• Improve engine performance

• Increase fuel efficiency

• Reduce engine noise

• Regulate engine temperature and prevent overheating.

Which component is responsible for igniting the fuel-air mixture in an internal combustion engine?

• exhaust pipe

• carburetor

• spark plug

• piston

What are the two main types of engine ignition systems?

• spark ignition (SI) and compression ignition (CI)

• diesel ignition and gasoline ignition

• air ignition and fuel ignition

• electric ignition and fuel ignition