Mechanical Engineering :: Workshop Technology
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The operation of straightening a curved sheet metal, is known as
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The correct sequence for preparing a billet for extrusion process is pickling, alkaline cleaning, phosphate coating and lubricating with reactive soap.
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Tandem drawing of wires and tubes is necessary because
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In a __________ , both cutting and non-cutting operations are performed at one station of the press in every stroke of the ram.
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The operation of bending a sheet of metal along a curved axis, is known as
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In a __________ , two or more operations are performed simultaneously at the single stroke of the ram.
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A rip saw
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The welding set up is said to have reversed polarity when the work is connected to the negative terminal and the electrode holder to the positive terminal.
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