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Mechanical Engineering :: Manufacturing and Production Technology

Manufacturing and Production Technology - section-1
  1. In gear hobbing

    2. A.

     Only hob rotates
    B.

     Only gear blank rotates
    C.

     Both hob and gear blank rotates
    D.

     Neither hob nor gear blank rotates

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  2. The actual feed in centerless grinders is given by (where d = Dia. of regulating wheel, n = Revolutions per minute, and α = Angle of inclination of wheel)

    3. A.

     πd
    B.

     πdn
    C.

     πdn sinα
    D.

     πdn cosα

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  3. In order to grind soft material

    4. A.

     Coarse grained grinding wheel is used
    B.

     Fine grained grinding wheel is used
    C.

     Medium grained grinding wheel is used
    D.

     Any one of these

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  4. The in-feed grinding is used to

    5. A.

     Produce tapers
    B.

     Grind shoulders and formed surfaces
    C.

     Grind long, slender shafts or bars
    D.

     All of these

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  5. The cutting tool in a milling machine is mounted on

    6. A.

     Spindle
    B.

     Arbor
    C.

     Column
    D.

     Knee

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  6. It is desired to perform the operations like drilling, reaming, counter-boring etc. on a work piece. Which of the following machine will be used?

    7. A.

     Sensitive drilling machine
    B.

     Radial drilling machine
    C.

     Gang drilling machine
    D.

     Multiple spindle drilling machine

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  7. In which of the following machine, the work is usually rotated while the drill is fed into work?

    8. A.

     Sensitive drilling machine
    B.

     Radial drilling machine
    C.

     Gang drilling machine
    D.

     Deep hole drilling machine

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  8. Crater wear is predominant in

    9. A.

     Carbon tool steels
    B.

     Tungsten carbide tools
    C.

     High speed steel tools
    D.

     Ceramic tools

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  9. In a shaper, the metal is removed during

    10. A.

     Forward stroke
    B.

     Return stroke
    C.

     Both the forward and return strokes
    D.

     Neither the forward nor the return stroke

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  10. The type of reamer used for reaming soft aluminium or copper, is

    11. A.

     Straight fluted reamer
    B.

     Left hand spiral fluted reamer
    C.

     Right hand spiral fluted reamer
    D.

     Any one of these

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