Q161
Open questionWhen elements like nickel, chromium, copper and molybdenum are added to the molten cast iron, it produces
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Q162
Open questionIron is
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Q163
Open questionCorundum contains more than 95%
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Q164
Open questionFor a steel containing 0.8% carbon
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Q165
Open questionAge hardening is related to
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Q166
Open questionInconel contains
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Q167
Open questionThe presence of sulphur in pig iron makes
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Q168
Open questionThere are fourteen atoms in a unit cell of
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Q169
Open questionWhich is false statement about properties of aluminium?
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Q170
Open questionCartridge brass can be
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Q171
Open questionIsotropic materials are those which have the same
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Q172
Open questionThe material in which the atoms are arranged chaotically, is called
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Q173
Open questionTungsten when added to steel __________ the critical temperature.
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Q174
Open questionWhich of the following represents the allotropic forms of iron?
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Q175
Open questionThe addition of which of the following improves machining of copper?
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Q176
Open questionVanadium in high speed steels
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Q177
Open questionBasic solution is one which has pH value
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Q178
Open questionNeutral solution is one which has pH value
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Q179
Open questionAcidic solution is one which has pH value
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Q180
Open questionThe toughness of a material __________ when it is heated.
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