Mechanical Engineering :: Workshop Technology
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The process used to improve fatigue resistance of the metal by setting up compressive stresses in its surface, is known as
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Fin is a casting defect which is due to thin projections of metal not intended as a part of casting.
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The process of increasing the cross-section of a bar at the expense of its length, is called
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In TIG arc welding, the welding zone is shielded by an atmosphere of
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The metal extrusion process is generally used for producing
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The operation of giving impressions of figures, letters or designs on sheet metal parts, is known as embossing.
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In a gas welding of mild steel using an oxy-acetylene flame, the total amount of acetylene consumed is 10 litre. The oxygen consumption from the cylinder is
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Sand wash is a casting defect which
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Cold working distorts grain structure and does not provide an appreciable reduction in size.