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