Questions and Answers Already Passed
What is the purpose of a spark plug in an internal combustion engine?
✔✔A spark plug ignites the air-fuel mixture in the engine’s cylinders, enabling combustion.
What is the role of the radiator in a vehicle’s cooling system?
✔✔The radiator cools the engine by dissipating heat from the coolant that circulates through the
engine.
What does the oil filter do in a car’s engine?
✔✔The oil filter removes dirt, metal particles, and other contaminants from the engine oil to
keep the engine running smoothly.
What is the purpose of the timing belt?
✔✔The timing belt ensures the precise synchronization of the engine’s camshaft and crankshaft,
enabling proper engine valve operation.
What does the fuel injector do in an engine?
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, ✔✔The fuel injector delivers fuel directly into the combustion chamber of the engine at the
correct pressure and timing.
What is the purpose of the brake master cylinder?
✔✔The brake master cylinder converts force from the brake pedal into hydraulic pressure to
activate the brakes.
What is the difference between a disc brake and a drum brake?
✔✔A disc brake uses a rotor and caliper to stop the wheel, while a drum brake uses a rotating
drum and brake shoes.
What is the function of a car’s catalytic converter?
✔✔The catalytic converter reduces harmful emissions by converting toxic gases into less
harmful substances before they exit the exhaust system.
What is the purpose of a clutch in a manual transmission?
✔✔The clutch disconnects the engine from the transmission, allowing the driver to change gears.
What is the difference between a fuse and a circuit breaker?
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