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Mechanical Engineering :: Workshop Technology

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Workshop Technology - Section 4
Workshop Technology - Section 5
Workshop Technology - Section 6
Workshop Technology - section-7
Workshop Technology - section-8

  1. A basic shaft is one whose

    2. A.
    lower deviation is zero
    B.
    upper deviation is zero
    C.
    lower and upper deviations are zero
    D.
    none of these

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  2. A file with 20 teeth in 25 mm is called

    3. A.
    rough file
    B.
    bastard file
    C.
    second cut file
    D.
    smooth file

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  3. The flux commonly used in brazing is

    4. A.
    zinc chloride
    B.
    ammonium chloride
    C.
    rosin plus alcohol
    D.
    borax

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  4. The increase in hardness due to cold working, is called

    5. A.
    age-hardening
    B.
    work-hardening
    C.
    induction hardening
    D.
    flame hardening

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  5. When a pattern is made in three parts, the top part, is known as a

    6. A.
    drag
    B.
    cheek
    C.
    cope
    D.
    none of these

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  6. In a __________ , the molten metal is poured and allowed to solidify while the mould is revolving.

    7. A.
    die casting method
    B.
    slush casting method
    C.
    permanent mould casting method
    D.
    centrifugal casting method

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  7. Riddle is used for

    8. A.
    smoothing and cleaning out depressions in the mould
    B.
    cleaning the moulding sand
    C.
    moistening the sand around the edge before removing pattern
    D.
    reinforcement of sand in the top part of moulding box

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  8. A hacksaw blade cuts on the

    9. A.
    forward stroke
    B.
    return stroke
    C.
    both forward and return strokes
    D.
    cutting depends upon the direction of force

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  9. The oxygen cylinder is usually painted with

    10. A.
    black colour
    B.
    white colour
    C.
    maroon colour
    D.
    yellow colour

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  10. Which of the following welding method uses a pool of molten metal?

    11. A.
    Carbon arc welding
    B.
    Submerged arc welding
    C.
    TIG arc welding
    D.
    MIG arc welding

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