Mechanical Engineering :: Workshop Technology
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Piercing is an operation of cutting
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Shift is a casting defect which
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During drawing operation, the states of stress in cup would include
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A diamond pointed chisel is used for cutting
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The length of hacksaw blade is the distance between the outside edges of the holes which fits over the pins.
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The parts of circular cross-section which are symmetrical about the axis of rotation are made by
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In permanent mould casting method
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In electric resistance welding, pressure is applied just after the completion of current.
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Scribing block is used to
A.
molten metal is poured in a metallic mould, retained in the mould long enough for the outer skin to solidify and finally mould is turned over to remove molten metal still in molten condition
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B.
molten metal is poured and allowed to solidify while the mould is revolving
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C.
molten metal is forced into mould under high pressure
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D.
none of the above
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