Petrol Engine Components Quiz

What is the primary function of the combustion chamber in a petrol engine?

• Store excess fuel

• Ignite the air-fuel mixture

• Control exhaust emissions

• Generate electrical power

Which component is responsible for regulating the amount of air entering the engine?

• Camshaft

• Carburetor

• Piston

• Spark plug

What is the purpose of the crankshaft in a petrol engine?

• Generate sparks

• Convert linear motion to rotational motion

• Mix air and fuel

• Control valve timing

Which system is responsible for igniting the air-fuel mixture in the combustion chamber?

• Exhaust system

• Cooling system

• Ignition system

• Lubrication system

What role does the fuel pump play in a petrol engine?

• Igniting the fuel

• Mixing air and fuel

• Supplying fuel to the carburetor

• Controlling valve timing

Which component controls the opening and closing of the engine's intake and exhaust valves?

• Crankshaft

• Camshaft

• Piston

• Spark plug

What is the function of the piston rings in a petrol engine?

• Seal the combustion chamber

• Ignite the air-fuel mixture

• Control valve timing

• Mix air and fuel

Which system is responsible for cooling the engine and preventing overheating?

• Cooling system

• Lubrication system

• Ignition system

• Exhaust system

What does the term "compression ratio" refer to in a petrol engine?

• Ratio of air to fuel in the combustion chamber

• Ratio of cylinder volume at the bottom and top of the piston's stroke

• Ratio of exhaust gases to fresh air

• Ratio of fuel to spark timing

Which component is responsible for regulating the timing of the opening and closing of the engine's valves?

• Camshaft

• Piston

• Crankshaft

• Spark plug