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
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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