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Mechanical Engineering :: Production Engineering

  1. The trade name of a non-ferrous cast alloy composed of cobalt, chromium and tungsten is called

  2. A.
    ceramic
    B.
    stellite
    C.
    diamond
    D.
    cemented carbide

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  3. In which of the following milling machine, the table can be tilted in a vertical plane by providing a swivel arrangement at the knee?

  4. A.
    Universal milling machine
    B.
    Plain milling machine
    C.
    Omniversal milling machine
    D.
    Hand milling machine

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  5. A coarse grained grinding wheel is used to grind

  6. A.
    hard and brittle materials
    B.
    soft and ductile materials
    C.
    hard and ductile materials
    D.
    soft and brittle materials

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  7. The abrasive slurry used in ultra-sonic machining contains fine particles of

  8. A.
    aluminium oxide
    B.
    boron carbide
    C.
    silicon carbide
    D.
    any one of these

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  9. High speed steel cutting tools operate at cutting speeds __________ than carbon steel tools.

  10. A.
    2 to 3 times lower
    B.
    2 to 3 times higher
    C.
    5 to 8 times higher
    D.
    8 to 20 times higher

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  11. The factor which affects the tool life is

  12. A.
    tool geometry
    B.
    cutting speed
    C.
    feed rate
    D.
    all of these

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  13. In lapping operaion, the amount of metal removed is

  14. A.
    0.005 to 0.01 mm
    B.
    0.01 to 0.1 mm
    C.
    0.05 to 0.1 mm
    D.
    0.5 to 1 mm

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  15. The cutting force in up milling __________ per tooth movement of the cutter.

  16. A.
    is zero
    B.
    is maximum
    C.
    decreases from maximum to zero
    D.
    increases from zero to maximum

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  17. The height of each tooth of a broach is

  18. A.
    same throughout
    B.
    in progressively decreasing order
    C.
    in progressively increasing order
    D.
    none of these

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  19. A right hand tool on a lathe cuts most efficiently when it travels

  20. A.
    from left to right end of the lathe bed
    B.
    from right to left end of the lathe bed
    C.
    with the help of a compound slide
    D.
    across the bed

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