46 IMPORTANT QUESTION IN INTERNAL COMBUSTION ENGINE

 IC ENGINE 

1.WHAT IS CI AND SI ENGINE ?

2. WHAT IS DIFFERENCE BETWEEN 4STROKE AND 2STROKE ENGINE ?

3. DRAW AND EXPLAIN THE VALVE TIMING DIAGRAM OF 4S AND 2S DIESEL ENGINE ?

4. EXPLAIN THE FUNCTION OF ROCKER ARM ?

5. WHAT IS THE PURPOSE OF CRANKSHAFT AND CAMSHAFT ?

6. WHERE IS GUDEGON PIN USE AND ITS PURPOSE ?

7. EXPLAIN THE PARTS OF IC ENGINE AND MATERIAL USED FOR MAKING ?

8. NAME THE THREE PISTON RING AND MATERIAL THEY ARE MADE UP OF & ITS FUNCTION ?

9. WHICH ENGINE IS USED ONBOARD SHIP AND WHY ?

10. WHAT IS VALVE OVERLAPPING ?

11. TYPES OF AIR STANDARD CYCLE ? EXPLAIN WITH PH AND TS DIAGRAM ?

12. WHAT IS SUPERCHARGER AND TURBOCHARGER ?

13.WHAT IS CAMSHAFT ? EXPLAIN POSITIVE AND NEGATIVE CAM ?

14.WHAT IS SCAVENGING ?

15. EXPLAIN DIFFERENT TYPES OF SCAVENGING ?

16. DIFFERENCE BETWEEN PETROL AND DIESEL ENGINE ?

17. HOW VALVE TIMING IS CONTROLLED ?

18. EXPLAIN AND DRAW MARINE EXHAUST GAS TURBOCHARGER ?

19. EXPLAIN THE FUNCTION  OF PUSH ROD ?

20. EXPLAIN WHAT IS TAPPET CLEARANCE ?

21. WHAT IS THE VISCOCITY OF FUEL USED FOR BURNING IN MAIN ENGINE ONBOARD /

22. NAME THE FOUR STEPS INVOLVED IN IC ENGINE ?

23. WHAT ARE THE ADVANTAGE OF LUBBRICATION IN IC ENGINE ?

24. WHAT IS MEANT BY SUPERCHARGING ?

25. STATE THE DIFFERENCE BETWEEN SUPERCHARGER AND TURBOCHARGER ?

26. WHY DIESEL ENGINE DON'T HAVE SPARK PLUG ?

27. DEFINE THE OCTANE NUMBER AND CETANE NUMBER ?

28. WHICH POLLUTANT IS MAJOR GREENHOUSE EFFECT GAS AND WHAT IS ITS EFFECT ?

29. WHAT IS BIOFUEL ?

30. WHAT IS KNOCKING AND DETONATION AND ITS CAUSES ?

31. WHAT IS CARBURETTOR IN IC ENGINE ?

32. EXPLAIN THE FUNCTION OF FLYWHEEL ?

33. WHAT IS INDICATOR DIAGRAM ?

34. WHAT IS VOLUMETRIC EFFICIENCY ?

35. EXPALIN THE STARTING OF SELF START BIKE ?

36. WHAT IS LUBRICATION AND TYPES ?

37. WHAT IS BORE/STROKE/CLEARANCE VOLUME/ SWEPT VOLUME?

38. WHAT ARE LIMITATION OF IC ENGINE ?

39. WHAT IS THE COMPRESSION RATION OF SI AND CI ENGINE ?

40. WHAT IS PRE IGNITION ?

41. WHAT IS SPECIFIC FUEL OIL CONSUMPATION ?

42. DEFINE POUR/CLOUD/FLASH POINT ?

43. EXPLAIN THE OTTO/DIESEL/DUAL CYCLE ?

44. WHAT IS INDICATED/BRAKE POWER ?

45. WHICH TYPE OF SCAVENGING IS IN 2S MARINE ENGINE ?

46. STATE THE CLASSIFICATION OF ENGINE ?

47. WHAT IS STOICHIOMETRIC RATIO ?