Materials and Construction A bearing metal should not have Low thermal conductivity Low co-efficient of friction High toughness Enough plasticity Low thermal conductivity Low co-efficient of friction High toughness Enough plasticity ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Presence of even very minute amount (say 0.1%) of __________ in copper, reduces its electrical conductivity very seriously. Antimony Arsenic Both B and C Bismuth Antimony Arsenic Both B and C Bismuth ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Cast iron is a __________ material. Ductile Malleable Tough Brittle Ductile Malleable Tough Brittle ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction __________ is a donor impurity for semi-conductors. Gallium Boron Antimony None of these Gallium Boron Antimony None of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Hardest material so far found is Carborundum Diamond Graphite Pumice stone Carborundum Diamond Graphite Pumice stone ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Corrosion resisting properties of cast iron are significantly improved by the addition of 12 - 15% of Vanadium Silicon All of these Tungsten Vanadium Silicon All of these Tungsten ANSWER DOWNLOAD EXAMIANS APP
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