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  1. The cost of lubricating oils in a machine shop may be classified as
  2. A.
    direct material cost
    B.
    prime cost
    C.
    factory overhead cost
    D.
    administrative overhead cost

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  3. The gudgeion pin connects the
  4. A.
    connecting rod and the crank
    B.
    piston and crank
    C.
    crank and connecting rod
    D.
    piston and the connecting rod

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  5. The inlet valve in a 4 stroke IC engine opens
  6. A.
    after TDC
    B.
    before BDC
    C.
    before TDC
    D.
    after BDC

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  7. In a six cylinder 4 stroke petrol engine running at 2000 RPM, the cam shaft runs at
  8. A.
    1000 RPM
    B.
    2000 RPM
    C.
    6000 RPM
    D.
    500 RPM

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  9. One of the following type of pumps is used in a diesel engine
  10. A.
    jet pump
    B.
    reciprocating pump
    C.
    gear pump
    D.
    axial flow pump

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  11. A 4 cylinder 4 stroke diesel engine has 3000 power strokes per minute; its speed in RPM is
  12. A.
    3000
    B.
    6000
    C.
    750
    D.
    1500

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  13. The approximate air fuel ratio in a diesel engine under rated conditions is
  14. A.
    12 to 1
    B.
    20 to 1
    C.
    15 to 11
    D.
    80 to 1

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  15. Indicated thermal efficiency of an engine is
  16. A.
    Brake power/Indicated power
    B.
    Indicated power/Mechanical efficiency
    C.
    Brake thermal efficiency/Mechanical efficiency
    D.
    Brake power/Mechanical efficiency

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  17. The kinetic energy of a body of a mass 2kg, when it falls in air from rest through a height of 5 m is
  18. A.
    98.1 J
    B.
    9.8 Nm
    C.
    10 n
    D.
    20 j

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