Q241
Open questionFatigue strength of a material increases by
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Materials And Construction
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Q242
Open questionWhich of the following alloy steels is the most suitable for making gun barrels and projectiles?
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Q243
Open questionGun metal is an alloy of
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Q244
Open questionWhich is the purest form of iron?
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Q245
Open questionPick out the wrong statement.
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Q246
Open questionHigh speed steel should have high
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Q247
Open questionHigh carbon steel contains more than __________ percent carbon.
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Q248
Open questionWhich of the following exercises most powerful influence on the mechanical properties of steel?
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Q249
Open questionHardened steel is softened by
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Q250
Open questionWhich of the following has the poorest weldability?
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Q251
Open questionHastelloy comprises of
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Q252
Open questionReduction in the grain size reduces the __________ of the material.
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Q253
Open questionThe 'bomb' in the bomb calorimeter is made of
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Q254
Open questionWhich of the following crystal structures characterises the ferritic stainless steel?
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Q255
Open question__________ is used for determining the tensile strength of steels.
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Q256
Open questionSheardising process is used for
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Q257
Open questionVery high sulphur in pig iron makes
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Q258
Open questionWhich of the following has the highest compressive strength?
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Q259
Open questionThe range of Mho's scale of hardness is from
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Q260
Open questionPurity of electrical grade aluminium should be ≥ __________ percent.
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