Mechanical Engineering :: Workshop Technology
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For gas welding, the pressure desired at the welding torch for oxygen is
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Seam weiding is a
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In a simple die
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The operation of producing cup shaped parts from flat sheet metal blanks by bending and plastic flow of metal, is known as
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A.
two or more operations are performed simultaneously at the single stroke of the ram
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B.
two or more cutting operations are performed at one station of the press in every stroke of the ram
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C.
both cutting and non-cutting operations are performed at one station of the press in every stroke of the ram
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D.
none of the above
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