The brass and bronze are welded by _________ flame.
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A gimlet is a ________ tool.
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In TIG arc welding, the welding zone is shielded by an atmosphere of
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In sheet metal blanking, shear is provided on punches and dies so that
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For obtaining a cup of diameter 25 mm and height 15 mm by drawing, the size of the round blank should be approximately
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Scribing block is used to
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The cutting edge of a chisel should be
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For gas welding, the pressure desired at the welding torch for acetylene is
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The fullers are used
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A ring gauge is used to
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Lap joints are employed on plates having thickness
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Thermit welding is often used in
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Thread rolling is restricted to
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When a pattern is made in three parts, the ________ is known as a drag.
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Which of the following material can be used for making patterns?
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The purpose of a riser is to
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Which of the following welding method uses a pool of molten metal?
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A casting defect which occurs due to improper venting of sand is known as
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Which one of the following material will require the largest size of riser for the same size of casting?
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A hacksaw blade is specified by its
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