ITI Mechanic Motor Vehicle 2nd Semester Exam Papers

The course of Mechanic Motor Vehicle is of 2 years and where there is semester system, its complete study is done in 4 semesters or we can say that it is divided in 4 semesters, so below you are given the question paper of its 2nd semester which has been asked earlier in its exam, so solve it carefully and many more question papers related to this trade are given on our website, by solving which you can prepare yourself.

ITI Mechanic Motor Vehicle 1st Semester Exam Papers

1. Diesel engine is also called ……….?

•S.I. Engine
•C.I. Engine
•Steam Engine
•Boiler
Answer. C.I. Engine

2. Which instrument is used to check the flatness of the cylinder head?

•Spirit level
•Straight edge and feeler gauge
•Micrometer
•Vernier caliper
Answer. Straight edge and feeler gauge

3. In a four stroke engine, after two revolutions of the crankshaft, how many power strokes will be obtained?

•Four
•Three
•Two
•One
Answer. One

4. In I.C. engine, low oil pressure is caused by…….

•Worn out main and big end bearings
•Worn out oil pump gear
•Choked oil gallery or suction pipe
•Any of these
Answer. Any of these

5. Pintle nozzle is more beneficial than hole nozzle because –

•It prevents carbon deposition on spray holes
•It provides better atomization
•It sprays diesel from all angles
•Consumes less fuel
Answer. It prevents carbon deposition on spray holes

6. Disadvantages of pre combustion chamber include…….

•Loss of power
•Charge leakage problem
•Cold starting problem
•None of these
Answer: Cold starting problem

7. The engine used for electric generator is called ……….

•High speed engine
•Low speed engine
•Variable speed engine
•Constant speed engine
Answer. Constant speed engine

8. With a super charger in any size of engine the power output can be increased by …….%?

•20-30
•30-40
•40-50
•50-60
Answer. 20-30

9. Super charger is called turbo charger when the turbine of the super charger is run by…….

•Engine power
•Engine exhaust gases
•AC supply of 230 watts
•Vehicle battery
Answer. Engine exhaust gases

10. The plunger type fuel feed pump of a diesel engine is driven by……….

•Governor
•Injector
•Cam shaft of FIP
•None of these
Answer. Cam shaft of FIP

11. What is the full form of CRDI?

•Common Rail Direct Injection
•Common Rail Diesel Injection
•Common Rate Diesel Injection
•Common Rate Direct Injection
Answer. Common Rail Diesel Injection

12. In a 4-stroke diesel engine ……… fuel is injected into the combustion chamber at the end of the stroke.

•Suction
•Compression
•Power
•Exhaust
Answer. compression

13. Oil pressure relief valve is connected to………….

•Oil sump
•Main oil gallery
•Oil pump
•Oil strainer
Answer. Main oil gallery

14. What is that fundamental part of the engine to which other parts of the engine are connected called?

•Cylinder
•Frank shaft
•Cylinder block
•Oil pan (sump)
Answer. Cylinder block

15. Generally the compression ratio of a diesel engine is ………..

•8 to 12:1
•12 to 15:1
•16 to 22:1
•23 to 30:1
Answer. 16 to 22:1

16. For a four stroke IC engine, how many times per minute does an inlet and exhaust valve open and close if the engine rpm is 2000?

•1000 times
•2000 times
•3000 times
•4000 times
Answer. 1000 times

17. What is the relationship between IHP, BHP and FHP?

• IHP = FHP-BHP
•IHP = BHP – FHP
•IHP = BHP + FHP
•BHP = IHP + FHP
Answer. IHP = BHP + FHP

18. Loss of compression may cause …..

•High fuel consumption
•Noisy engine
•Engine back fires
•Smoky exhaust
Answer. High fuel consumption

19. Which part of the poppet valve gets hottest during the operation of an IC engine?

•Valve face
•Valve head
•Valve stem
•Valve neck
Answer. Valve head

20. Which of the following poisonous components released from the exhaust gas separates from oxygen in the Sri Way catalytic converter?

•CO
•HC
•NOx
•N2
Answer. NOx

21. What is the firing order of a 4-cylinder engine?

•1-2-3-4
•1-3-2-4
•1-3-4-2
•1-4-2-3
Answer. 1-3-4-2

22. Which tool is used to fit piston rings in grooves?

•Piston ring expander
•Piston ring compressor
•Pist ring filer
•Screw driver
Answer. Piston ring expander

23. T-slot is provided in the piston.

•To accommodate the expansion of the piston when it is hot
•To allow lubricating oil to escape
•For cooling purpose
•To reduce the weight of the piston
Answer. To accommodate the expansion of the piston when it is hot

24. A square engine has…….?

•Bore > Stroke
•Bore < Stroke
•Bore = Stroke
•Engine length = Engine width
Answer. Bore = Stroke

25. Excessive amount of CO in exhaust gas is due to………….

•Less air at the time of ignition
•Insufficient air to fuel ratio
•Low ignition temperature
•High ignition temperature
Answer. Less air at the time of ignition

26. The material of the frank shaft is…….

•High carbon steel
•Cast iron
•Aluminum alloy
•Copper
Answer. High carbon steel

27. In water/liquid cooled engines, a piston ring butt gap of 0.12 mm is usually given per ……….. mm bore diameter.

•10
•15
•20
•25
Answer. 25

28. What is the volume of a cylinder from TDC to BDC called?

•Stroke volume
•Clearance volume
•Overall volume
•None of these
Answer. Stroke volume

29. When the gudgeon pin (piston pin) is free in both the piston boss and the connecting rod, the method of locking of the piston pin is called…….

•Semi-floating
•Mr-quarter floating
•Free pin
•Fully floating
Answer. Fully floating

30. What could be the possible reason why the starter motor runs, but the pinion flywheel does not engage with the ring gear?

•Worn out pinium teeth
•Worn out ring gear teeth
•Bad splines
•Any of these
Answer. Any of these

31. What are the advantages of dry sump lubrication system?

•It reduces the height of the engine
•Provides better lubrication
•The system is inexpensive
•Less amount of oil is required
Answer. It reduces the height of the engine

32. I.C. engine is the engine in which the fuel is burnt…………?

•Inside the combustion chamber
•Outside the combustion chamber
•Inside the induction manifold
•Inside the exhaust manifold
Answer. Inside the combustion chamber

33. What is the function of flywheel?

•Maintaining the speed of the crank shaft
•Sending the engine power to the transmission system
•Starting the engine with the help of starter ring fitted on it
•All of the above
Answer. All of the above

34. The sequence for tightening cylinder head mounting is…….

•In any order
•Diagonally from the centre outwards
•Diagonally from the outside towards the centre
•Zig-zag
Answer. Diagonally from the centre outwards

35. Which one of the following is not a cause of engine overheating?

•Lack of coolant
•Wheel wobble
•Bad water pump
•Engine coolant leaking
Answer. Wheel wobble

36. Possible causes of “engine making noise” could be:

•Use of low octane fuel
•Loose piston pin
•Broken piston ring
•Any of these
Answer. Any of these

37. The cank angle during the period between the end of the exhaust stroke and the beginning of the induction stroke when both the inlet and exhaust valves are open is called ………

•Valve lead
•Valve lag
•Valve overlap
•Valve throw
Answer. Valve overlap

38. To get the RPM of the engine ………. is used.

•Speedometer
•Tachometer
•Odometer
•Trip-odometer
Answer. Tachometer

39. What could be the possible reasons for the ignition warning lamp not lighting up even when the ignition is pressed?

•The lamp bulb may be burnt out
•The fuse may be blown off
•Open circuit between the lamp and the ignition switch
•Anyone of the above
Answer. Anyone of the above

40. Radiator pressure cap is fitted for…….

•Reducing the boiling point of water
•Increasing the boiling point of water by increasing the pressure
•Reducing the flow of water
•Reducing the pressure
Answer. Increasing the boiling point of water by increasing the pressure

41. In a diesel engine, the fuel is burnt by……..?

•Electric spark
•Hot exhaust
•Heat of compressed air
•Igniter plug
Answer. Heat of compressed air

42. Usually in a 4 – stroke diesel engine the inlet valve opens at……?

•10° before TDC
•20° before TDC
•30° before TDC
•40° before TDC
Answer. 10° before TDC

43. In which type of cylinder liner, the outer layer is in direct contact with liquid coolant or water?

•Dry Liner
•Wet Liner
•Semi-Dry Liner
•Semi Wet Liner
Answer. Wet Liner

44. The most common system of water/fluid cooling is?

•Thermo siphon system
•Impeller thermo siphon system
•Pump circulation system
•Any of the above
Answer. Pump circulation system

45. What is the order of four stroke cycle operation of I.C. engine?

•Induction – Power – Compression – Exhaust
•Induction – Compression – Power – Exhaust
•Compression – Induction – Power – Exhaust
•Compression – Exhaust – Power – Induction
Answer. Induction – Compression – Power – Exhaust

46. Paper type air filters are cleaned with…….

• Earthen oil
• Diesel
• Compressed air
• Water
Answer. compressed air

47. The opening temperature of the thermostat valve in a liquid cooling system is…….

•50-55° centigrade
•55-60° centigrade
•60-75° centigrade
•75-80° centigrade
Answer. 75-80° centigrade

48. Which of these poisonous components is reduced by EGR system?

•NOx
•N2
•HC
•CO
Answer. NOx

In this post, very important information has been given regarding iti mmv model question paper in hindi pdf download mechanic motor vehicle question paper in hindi pdf mmv question bank pdf iti machinist question paper pdf. If you find this information useful, then share it with your friends and if you want to know or ask something about it, then definitely ask by commenting below.

Related Posts

Leave a Comment Cancel Reply