MMV TRADE – NIMI Question For Fitter 2nd YEAR ITI

1. 1. Which type of engine has a pre-combustion chamber for better fuel atomization?

2. 2. What is the main function of an oil control ring in a piston?

3. 3. What does a higher cetane number indicate in diesel fuel?

4. 4. What is the purpose of a turbocharger in a diesel engine?

5. 5. In an MPFI (Multi-Point Fuel Injection) system, how is fuel injected?

6. 6. The stroke length of an engine is equal to ___.

7. 7. Which type of clutch is used in heavy-duty vehicles for better torque transmission?

8. 8. What does “stoichiometric air-fuel ratio” mean in an SI engine?

9. 9. Which component controls the amount of air entering a modern engine?

10. 10. Which part in an engine is responsible for timing control?

11. 11. What is the primary function of a differential in an automobile?

12. 12. What is the effect of retarding ignition timing in a petrol engine?

13. 13. The purpose of a catalytic converter in a vehicle is to ___.

14. 14. What is the main cause of blue smoke from the exhaust?

15. 15. What is the function of an EGR (Exhaust Gas Recirculation) valve?

16. 16. In a power steering system, what fluid is used?

17. 17. Which material is commonly used for manufacturing cylinder liners?

18. 18. What type of sensor is used to measure the oxygen level in exhaust gases?

19. 19. What is the advantage of an overdrive gear in a transmission system?

20. 20. The function of a governor in an engine is to ___.