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  1. Kerosene is used as coolant, while machining
  2. A.
    mild steel
    B.
    cast iron
    C.
    stainless steel
    D.
    aluminium

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  3. Bore and stroke of a double acting steam engine cylinder are 30 cms and 50 cms respectively. If the IHP on crank end is 1% less than IHP on cover end, the diameter of piston rod is
  4. A.
    1 cm
    B.
    2 cm
    C.
    3 cm
    D.
    2.5 cm

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  5. Chunk used on turret lathe is
  6. A.
    Four jaw self centering chunk
    B.
    Collect chunk
    C.
    Three jaw independent chunk
    D.
    Magnetic chunk

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  7. In a pertrol engine the theoretical ratio of air to fuel is approximately
  8. A.
    3:1
    B.
    5:1
    C.
    15:1
    D.
    30:1

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  9. A perfect gas at 27 C is heated at constant pressure as to trible its volume the temperature of the gas will be
  10. A.
    81 deg C
    B.
    270 deg C
    C.
    627 deg C
    D.
    900 deg C

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  11. First law of the thermodynamics deals with conversation of
  12. A.
    mass
    B.
    heat
    C.
    momentum
    D.
    energy

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  13. The area under pressure volume curve of any thermodynamic process represents
  14. A.
    heat rejected only
    B.
    heat absorbed only
    C.
    heat absorbed and rejected
    D.
    work done

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  15. The angular speed of watt governor, when its height is 98 mm is equal to
  16. A.
    10 rad/s
    B.
    9.8 rad/s
    C.
    98 rad/s
    D.
    5 rad/s

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  17. For chain drives the small sprockets should have a minimum number of teeth of
  18. A.
    17
    B.
    25
    C.
    27
    D.
    31

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  19. For transmitting power without slip one of the following drives is used
  20. A.
    belt drives
    B.
    rope drives
    C.
    cone pulleys
    D.
    chain drives

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