How to repair cars - Quiz
  • 1. What is the first step in diagnosing a car problem?
A) Gathering information from the driver
B) Replacing the spark plugs
C) Running a diagnostic scan
D) Checking the engine oil level
  • 2. What tool is used to measure tire pressure?
A) Torque wrench
B) Socket wrench
C) Multimeter
D) Tire pressure gauge
  • 3. What does 'CEL' stand for in car diagnostics?
A) Check Engine Light
B) Central Engine Location
C) Cylinder Exhaust Leak
D) Car Electrical Load
  • 4. What is the purpose of motor oil?
A) Clean the exterior of the engine
B) Lubricate engine components
C) Cool the engine
D) Provide fuel to the engine
  • 5. What part of the car is responsible for starting the engine?
A) Starter motor
B) Alternator
C) Distributor
D) Fuel pump
  • 6. What does a car battery primarily provide?
A) Pneumatic power
B) Mechanical power
C) Hydraulic power
D) Electrical power
  • 7. Which component is responsible for filtering air entering the engine?
A) Fuel filter
B) Air filter
C) Oil filter
D) Cabin air filter
  • 8. What is the function of the radiator?
A) Store the engine coolant
B) Cool the engine coolant
C) Filter the engine coolant
D) Heat the engine oil
  • 9. What tool is used to tighten nuts and bolts to a specific torque?
A) Pliers
B) Torque wrench
C) Socket wrench
D) Adjustable wrench
  • 10. What is the purpose of brake fluid?
A) Cool the brake rotors
B) Lubricate the brake pads
C) Clean the brake calipers
D) Transmit pressure to the brakes
  • 11. What component is responsible for generating electricity while the engine is running?
A) Alternator
B) Starter motor
C) Voltage regulator
D) Distributor
  • 12. What is the purpose of shock absorbers?
A) Cool the engine
B) Transmit power to the wheels
C) Provide power steering
D) Control suspension movement
  • 13. What part connects the engine to the transmission?
A) Wheel bearing
B) Axle
C) Clutch (in manual transmissions)
D) Differential
  • 14. What is the function of the catalytic converter?
A) Improve fuel economy
B) Increase engine power
C) Reduce harmful emissions
D) Filter engine oil
  • 15. What is the purpose of the spark plugs?
A) Lubricate the engine
B) Filter the air intake
C) Ignite the air-fuel mixture
D) Cool the engine
  • 16. What is the first thing to disconnect when working on the electrical system?
A) Starter motor wiring
B) Positive battery terminal
C) Negative battery terminal
D) Alternator wiring
  • 17. What does ABS stand for?
A) Automatic Braking System
B) Anti-lock Braking System
C) Advanced Braking System
D) Auxiliary Braking System
  • 18. What is the purpose of a fuse?
A) Protect electrical circuits
B) Regulate engine temperature
C) Store electrical energy
D) Increase electrical voltage
  • 19. What is a common symptom of a failing fuel pump?
A) Difficulty starting the engine
B) Brake failure
C) Overheating engine
D) Headlights dimming
  • 20. What does PSI stand for when measuring pressure?
A) Points per square inch
B) Pressure standard index
C) Pascals per square inch
D) Pounds per square inch
  • 21. What is the function of the thermostat?
A) Control fuel injection
B) Monitor oil pressure
C) Regulate engine temperature
D) Adjust air-fuel mixture
  • 22. What is used to remove rust from metal parts?
A) Wire brush
B) Grease gun
C) Oil filter wrench
D) Spark plug socket
  • 23. What is the most common cause of overheating?
A) Dirty air filter
B) Faulty spark plugs
C) High oil pressure
D) Low coolant level
  • 24. What is the function of the differential?
A) Allow wheels to rotate at different speeds
B) Control steering
C) Generate electricity
D) Absorb shocks
  • 25. What safety equipment should always be worn when working on cars?
A) Safety glasses
B) Sandals
C) No gloves
D) Shorts
  • 26. What is the purpose of wheel alignment?
A) Improve fuel economy
B) Increase engine power
C) Reduce wind noise
D) Ensure proper tire wear and handling
  • 27. What is a common symptom of worn brake pads?
A) Increased engine temperature
B) Difficulty starting the engine
C) Dimming headlights
D) Squealing or grinding noises
  • 28. What is the purpose of power steering fluid?
A) Clean the windshield
B) Assist in steering the vehicle
C) Cool the brakes
D) Lubricate the engine
  • 29. What should you do if you spill oil while working on a car?
A) Leave it to evaporate
B) Cover it with dirt
C) Clean it up immediately with absorbent material
D) Wash it down the drain
  • 30. What tool is commonly used to lift a vehicle for repairs?
A) Screwdriver
B) Hammer
C) Pliers
D) Jack
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