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

  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

  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

  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

  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

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

  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

  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

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

  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