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Workshop Technology - section-8
  1. The welding process used in joining mild steel shanks to high speed drills, is

    2. A.

     Spot welding
    B.

     Seam welding
    C.

     Flash butt welding
    D.

     Upset butt welding

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  2. For cutting brass, the hacksaw blade should have ________ teeth per 25 mm.

    3. A.

     14
    B.

     24
    C.

     32
    D.

     40

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  3. In arc welding, the electric arc is produced between the work and the electrode by

    4. A.

     Voltage
    B.

     Flow of current
    C.

     Contact resistance
    D.

     All of these

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  4. A file removes the metal during

    5. A.

     Forward stroke
    B.

     Return stroke
    C.

     Both forward and return strokes
    D.

     None of these

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  5. Lancing is the operation of

    6. A.

     Cutting a sheet of metal in a straight line along the length
    B.

     Removal of metal to the desired shape from the edge of a plate
    C.

     Cutting a sheet of metal through part of its length and then bending the cut portion
    D.

     Bending a sheet of metal along a curved axis

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  6. Notching is the operation of

    7. A.

     Cutting a sheet of metal in a straight line along the length
    B.

     Removal of metal to the desired shape from the edge of a plate
    C.

     Cutting a sheet of metal through part of its length and then bending the cut portion
    D.

     Bending a sheet of metal along a curved axis

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  7. When the dimension is expressed as, then the tolerance is

    8. A.

     0.035 mm
    B.

     0.025 mm
    C.

     0.01 mm
    D.

     0.06 mm

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  8. In forehand welding, the weld is made

    9. A.

     From left to right
    B.

     From right to left
    C.

     First from left to right and then from right to left
    D.

     Either from left to right or from right to left

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  9. A diamond pointed chisel is used for cutting

    10. A.

     Flat surfaces
    B.

     Grooves
    C.

     Key-ways
    D.

     V-shaped grooves

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  10. Spot welding is used for welding

    11. A.

     Lap joints in plates having 0.025 mm to 1.25 mm thickness
    B.

     Lap joints in plates having thickness above 3 mm
    C.

     Butt joints in plates having 0.025 mm to 1.25 mm thickness
    D.

     Butt joints in plates having thickness above 3 mm

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