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Mechanical Engineering :: Production Engineering

Production Engineering - Section 1
Production Engineering - Section 2
Production Engineering - Section 3
Production Engineering - Section 4
Production Engineering - Section 5
Production Engineering - Section 6
Production Engineering - Section 7
Production Engineering - Section 8

  1. The enlarging of an existing circular hole with a rotating single point tool is called

    2. A.
    boring
    B.
    drilling
    C.
    reaming
    D.
    internal turning

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  2. In the relation VTn = C, the value of n for high speed steel tools varies from 0.25 to 0.40.

    3. A.
    Agree
    B.
    Disagree

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  3. Glazing in grinding wheels __________ cutting capacity.

    4. A.
    has no effect on
    B.
    increase
    C.
    decrease

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  4. The usual value of the helix angle of a drill is

    5. A.
    20°
    B.
    30°
    C.
    45°
    D.
    60°

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  5. The cutting speed for counter-boring should be __________ that of drilling operation.

    6. A.
    equal to
    B.
    less than
    C.
    greater than

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  6. In drilling mild steel and brass, the point angle of a drill is 118°.

    7. A.
    True
    B.
    False

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  7. The tail stock set over method of taper turning is preferred for

    8. A.
    internal tapers
    B.
    small tapers
    C.
    long slender tapers
    D.
    steep tapers

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  8. The chuck preferred for quick setting and accurate centering of a job is

    9. A.
    four jaw independent chuck
    B.
    collect chuck
    C.
    three jaw universal chuck
    D.
    magnetic chuck

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  9. Negative rakes are used for

    10. A.
    carbide tools
    B.
    heavy loads
    C.
    harder materials
    D.
    all of these

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  10. A bottoming tap has

    11. A.
    its end tapered for about three or four threads
    B.
    its end tapered for about eight or ten threads
    C.
    full threads for the whole of its length
    D.
    none of the above

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