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  1. During cold working, metals are worked
  2. A.
    below their recrystalization temperature
    B.
    below room temperature
    C.
    below their melting point
    D.
    below 200 degree celcius

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  3. Cobalt is added to high speed steel (H.S.S.) to
  4. A.
    increase ductility
    B.
    increase wear resistance
    C.
    increases hot hardness
    D.
    increase fatigue

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  5. Pipes subjected to high pressures are generally made by
  6. A.
    slush casting
    B.
    pressure casting
    C.
    extrusion
    D.
    centrifugal casting

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  7. Gnatt chart is used for
  8. A.
    efficient machine utilisation
    B.
    production scheduling
    C.
    manpower utilisation
    D.
    routing

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  9. In a typical lathe machining, discontinuous chips are formed when machining
  10. A.
    carbon steel
    B.
    copper
    C.
    steel at high speed
    D.
    mild steel

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  11. Permeability, in relation to moulding sands, is high for
  12. A.
    coarse grains
    B.
    fine grains
    C.
    round grains
    D.
    medium grains

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  13. The purpose of tumbler gears in lathe is to
  14. A.
    Cut gears
    B.
    Cut threads
    C.
    Reduce spindle speeds
    D.
    Give desired direction of movement to the lathe carriage

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  15. For machining the flange of a 90 elbow on a lathe, the following holding device is used.
  16. A.
    Lathe dog
    B.
    Catch plate
    C.
    Angle plate
    D.
    Face plate

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  17. Which one of the following is not part of combination set?
  18. A.
    Try square
    B.
    Scale
    C.
    Bevel Protractor
    D.
    Dial guage

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  19. A sine bar cannot be used without
  20. A.
    Angle gauge
    B.
    Vernier calliper
    C.
    Slip gauge
    D.
    Micrometer

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