Auto mechanic waec past questions and answers

Auto mechanic waec past questions and answers

What does ABS stand for?

A) Automatic Brake System

B) Anti-lock Braking System

C) Accelerated Braking System

Answer: B) Anti-lock Braking System

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

A) Alternator

B) Spark Plug

C) Carburetor

Answer: B) Spark Plug

What does the "Check Engine" light typically indicate?

A) Low Fuel

B) Engine Overheating

C) Issues with Engine Systems

Answer: C) Issues with Engine Systems

Which part converts the reciprocating motion of the engine's pistons into rotational motion?

A) Crankshaft

B) Camshaft

C) Timing Belt

Answer: A) Crankshaft

What could cause a car to pull to one side while driving?

A) Uneven tire pressure

B) Misaligned wheels

C) Low engine oil

Answer: B) Misaligned wheels

What is the purpose of a catalytic converter in a vehicle?

A) Improve fuel efficiency

B) Reduce emissions

C) Increase engine power

Answer: B) Reduce emissions

Which fluid is used in the braking system to transmit pressure to the brakes?

A) Engine oil

B) Brake fluid

C) Transmission fluid

Answer: B) Brake fluid

What does RPM stand for?

A) Revolutions Per Mile

B) Rotations Per Minute

C) Revolutions Per Minute

Answer: C) Revolutions Per Minute

Which component regulates the temperature of the engine?

A) Radiator

B) Thermostat

C) Water pump

Answer: B) Thermostat

What can cause a grinding noise when applying the brakes?

A) Low tire pressure

B) Worn brake pads

C) Overfilled engine oil

Answer: B) Worn brake pads

Which part of the exhaust system dampens engine noise?

A) Muffler

B) Catalytic Converter

C) Tailpipe

Answer: A) Muffler

What might be the cause if a car's engine overheats?

A) Low coolant level

B) Exhaust leak

C) Dirty air filter

Answer: A) Low coolant level

Which system is responsible for supplying electrical power while the engine is running?

A) Battery

B) Alternator

C) Starter Motor

Answer: B) Alternator

What could be the cause of blue smoke coming from the exhaust?

A) Overheating engine

B) Burning oil

C) Clogged air filter

**Answer: B) Burning