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Mechanical Engineering :: Workshop Technology

Workshop Technology - Section 1
Workshop Technology - Section 2
Workshop Technology - Section 3
Workshop Technology - Section 4
Workshop Technology - Section 5
Workshop Technology - Section 6
Workshop Technology - section-7
Workshop Technology - section-8

  1. In a hot chamber die casting machine

    2. A.
    ferrous alloys with low melting temperature are casted
    B.
    ferrous alloys with high melting temperature are casted
    C.
    non-ferrous alloys with low melting temperature are casted
    D.
    non-ferrous alloys with high melting temperature are casted

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  2. The chisel used for cutting key ways is

    3. A.
    flat chisel
    B.
    cape chisel
    C.
    round nose chisel
    D.
    diamond pointed chisel

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  3. The temperature at which the new grains are formed in the metal is called

    4. A.
    lower critical temperature
    B.
    upper critical temperature
    C.
    eutectic temperature
    D.
    recrystallisation temperature

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  4. Thread rolling is restricted to

    5. A.
    ferrous materials
    B.
    ductile materials
    C.
    hard materials
    D.
    none of these

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  5. In sheet metal blanking, shear is provided on punches and dies so that

    6. A.
    press load is reduced
    B.
    good cut edge is obtained
    C.
    warping of sheet is minimised
    D.
    cut blanks are straight

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  6. In welding copper alloys with TIG arc welding

    7. A.
    direct current with straight polarity is used
    B.
    direct current with reversed polarity is used
    C.
    alternating current is used
    D.
    any one of these

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  7. The algebraic difference between the minimum limit and the basic size is called

    8. A.
    actual deviation
    B.
    upper deviation
    C.
    lower deviation
    D.
    fundamental deviation

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  8. The temperature of oxy-hydrogen flame is __________ oxy-acetylene flame.

    9. A.
    same as
    B.
    less than
    C.
    more than

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  9. Which of the following methods can be used for manufacturing 2 metre long seamless metallic tubes?

    10. A.
    Drawing
    B.
    Extrusion
    C.
    Rolling
    D.
    Extrusion and rolling

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  10. A saw which cuts wood during the return stroke of the saw is known as

    11. A.
    push saw
    B.
    pull saw or draw saw

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