Practice question

What is the function of a vehicle's spark plugs?

  1. To charge the vehicle's battery while driving
  2. To ignite the fuel-air mixture in a petrol engine's cylinders
  3. To clean the fuel injectors
  4. To illuminate the road ahead in heavy fog

Answer: B — To ignite the fuel-air mixture in a petrol engine's cylinders

The correct answer is shown above. Try the full quiz for additional practice.

Practice more: BRTA Non-Professional Driving Licence Test Practice Questions - Bangladesh Road Transport Authority (BRTA) Non-Professional Driving Licence Written Test Exam →