EXAMIANS
The cutting speed for drilling __________ with high speed steel drills is 24 to 45 m/min.
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A dense structure of a grinding wheel is used for
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What is the method of brazing used to join relatively small assemblies made from materials that either do not oxidize at the brazing temperature or can be protected from oxidation with a flux?
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The cutting angle of a flat drill varies from
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Tumbler gears in lathe are used to
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The abrasive recommended for grinding materials of high tensile strength is
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In drilling operation, the metal is removed by
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Which of the following statement is correct regarding grinding of high carbon steel?
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Two 1 mm thick steel sheets are to be spot welded at a current of 5000 A. Assuming effective resistance to be 200 μm and current flow time of 0.2 second, heat generated during the process will be
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Crack in grinding wheel is developed due to
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