IMI Lv2.1 Engines Quiz

What is the primary function of an engine's camshaft?

• To pump fuel into the engine

• To open and close the engine's valves

• To drive the alternator

• To control the engine's timing

Which component is responsible for mixing air and fuel in an engine?

• Carburetor

• Camshaft

• Piston

• Crankshaft

What does the term 'compression ratio' refer to in an engine?

• The ratio of engine speed to vehicle speed

• The ratio of exhaust gases to intake gases

• The ratio of air to fuel in the combustion chamber

• The ratio of the volume of the combustion chamber at its largest capacity to its smallest capacity

Which part of the engine converts linear motion into rotational motion?

• Crankshaft

• Camshaft

• Piston

• Valve

What is the purpose of the engine's oil pump?

• To circulate oil to lubricate engine components

• To increase engine power

• To pump fuel into the engine

• To cool the engine

Which of the following is a common type of engine cooling system?

• Air cooling

• Water cooling

• Oil cooling

• All of the above

What is the function of the engine's timing belt or chain?

• To pump fuel into the engine

• To synchronize the rotation of the crankshaft and camshaft

• To control the engine's temperature

• To drive the alternator

Which component is responsible for igniting the air-fuel mixture in a gasoline engine?

• Valve

• Fuel injector

• Spark plug

• Piston

What is the purpose of the engine's flywheel?

• To store rotational energy and smooth out engine pulses

• To pump fuel into the engine

• To cool the engine

• To increase engine power

Which of the following is a type of internal combustion engine?

• Diesel engine

• Hydraulic motor

• Electric motor

• Steam engine