Materials and Construction An alloy of iron containing 4% carbon is called High carbon steel Mild steel Wrought iron None of these High carbon steel Mild steel Wrought iron None of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction In cold working of metal as compared to its hot working Cracks and blow holes are eliminated Yield stress, hardness and fatigue strength is not at all affected Appreciable strain hardening is produced Ductility and impact strength improves Cracks and blow holes are eliminated Yield stress, hardness and fatigue strength is not at all affected Appreciable strain hardening is produced Ductility and impact strength improves ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction A bearing metal should not have High toughness Low thermal conductivity Low co-efficient of friction Enough plasticity High toughness Low thermal conductivity Low co-efficient of friction Enough plasticity ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Super conductors are those substances, which Offer no resistance to current flow Offer high resistance to current flow Conduct electricity at low temperature Conduct electricity at high temperature Offer no resistance to current flow Offer high resistance to current flow Conduct electricity at low temperature Conduct electricity at high temperature ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following is the softest material? Corrundum Flourite Quartz Calcite Corrundum Flourite Quartz Calcite ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Ferric stainless steels compared to austenitic stainless steels All of these Are less ductile and hence less suitable for cold pressing Are harder to fabricate Have lower corrosion resistance All of these Are less ductile and hence less suitable for cold pressing Are harder to fabricate Have lower corrosion resistance ANSWER DOWNLOAD EXAMIANS APP
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