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Mechanical Engineering :: Workshop Technology

Workshop Technology - Section 1
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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 process used for making thin phosphate coating on steel is called parkerising.

    2. A.
    Correct
    B.
    Incorrect

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  2. The recrystallisation temperature of steel is

    3. A.
    400° C
    B.
    600° C
    C.
    800° C
    D.
    none of these

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  3. A basic hole is one whose

    4. 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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  4. Seam welding is best adopted for metal thickness ranging from

    5. A.
    0.025 to 3 mm
    B.
    3 to 5 mm
    C.
    5 to 8 mm
    D.
    8 to 10 mm

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  5. A file with 50 - 60 teeth in 25 mm is called bastard file.

    6. A.
    True
    B.
    False

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  6. The surface to be machined is marked on the pattern by

    7. A.
    red colour
    B.
    yellow colour
    C.
    black colour
    D.
    blue colour

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  7. In electric resistance welding, pressure applied varies from

    8. A.
    1 to 5 MPa
    B.
    5 to 10 MPa
    C.
    10 to 25 MPa
    D.
    25 to 55 MPa

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  8. In order to deliver molten metal from pouring basin to gate, a __________ is used.

    9. A.
    riser
    B.
    sprue
    C.
    core

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  9. V-block is used to

    10. A.
    check the trueness of flat surfaces
    B.
    locate centres of round rods
    C.
    check the surface roughness
    D.
    none of these

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  10. A progressive limit gauge has

    11. A.
    'Go' and 'Not go' member on the same side of the gauge
    B.
    separate 'Go' and 'Not go' members
    C.
    'Go' member at one end and 'Not go' member at the other end
    D.
    none of the above

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