Q281
Open questionWhich of the following has the highest density and the lowest melting point ?
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Q282
Open questionMachinability of hard alloys and tool steels is improved by
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Q283
Open questionA steam carraying pipeline is insulated with two layers of insulating materials with the inferior insulation material forming the inner part. If the two insulating layers are interchanged, the heat conducted will
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Q284
Open questionIn a furnace with heating element temperature at 1700°C, the dominant machanism of heat transfer will be
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Q285
Open questionAnnealing of cast iron
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Q286
Open questionThe dimensions of Planck's constant is the same as that of the
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Q287
Open questionSulphur is melted in the sulphuric acid plant most commonly by employing
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Q288
Open questionWith increase in carbon percentage in steel, its
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Q289
Open questionCoating provided on the electrodes used in the arc welding is not expected to
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Q290
Open questionWhich of the following hardness tests does not measure the indentation hardness of metals and alloys ?
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Q291
Open questionThe capital & running costs of similar machines having unequal service life can be compared by the __________ method.
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Q292
Open questionCarburettor in a spark ignition engine is used to
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Q293
Open questionA spark ignition petrol engine has
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Q294
Open question__________ joint is mostly used for joining pipes carrying water at low pressure.
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Q295
Open questionQuartz is a __________ material.
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Q296
Open questionIn cold working of metal as compared to its hot working
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Q297
Open questionCast iron has the unique property of high
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Q298
Open questionCast iron has the unique property of high
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Q299
Open questionWhich of the following is the terminology used for the temperature at which the phase changes occur in a metal ?
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Q300
Open questionPick out the wrong statement.
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