Internal Combustion Engine Systems Pretest

What is the primary function of the fuel system in an internal combustion engine?

• To cool the engine

• To supply air to the engine

• To supply fuel to the engine

• To lubricate engine parts

Which component of the ignition system is responsible for generating the high voltage needed to ignite the fuel-air mixture?

• Spark plug

• Distributor

• Ignition coil

• Battery

In a lubrication system, what is the main purpose of the oil pump?

• To cool the engine

• To circulate oil throughout the engine

• To filter the oil

• To increase engine power

Which of the following is a common type of fuel used in internal combustion engines?

• Water

• Diesel

• Hydrogen

• Nitrogen

What is the primary role of the cooling system in an internal combustion engine?

• To increase engine speed

• To reduce engine noise

• To maintain optimal engine temperature

• To improve fuel efficiency

Which part of the ignition system is directly responsible for igniting the air-fuel mixture in the engine's cylinders?

• Ignition coil

• Spark plug

• Distributor

• Alternator

In the lubrication system, what is the function of the oil filter?

• To cool the oil

• To remove impurities from the oil

• To increase oil pressure

• To add additives to the oil

Which component in the cooling system is responsible for dissipating heat from the engine coolant?

• Radiator

• Thermostat

• Water pump

• Fan belt

What type of fuel system component is a carburetor?

• A device that mixes air and fuel

• A device that filters air

• A device that cools the fuel

• A device that stores fuel

In an internal combustion engine, what is the purpose of the thermostat in the cooling system?

• To increase engine power

• To regulate the flow of coolant

• To filter the coolant

• To lubricate the engine