Materials and Construction The main purpose of galvanising iron sheets is to Harden the surface Increase its glossiness and lustre Prevent the action of oxygen Prevent the action of water Harden the surface Increase its glossiness and lustre Prevent the action of oxygen Prevent the action of water ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Mild steel is a/an __________ steel. Medium carbon Low carbon High alloy High carbon Medium carbon Low carbon High alloy High carbon ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which is an amorphous material? Glass Brass Cast iron Mica Glass Brass Cast iron Mica ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The electrical conductivity of a __________ decreases with rise in temperature. Dielectric None of these Metal/alloy Semi-conductor Dielectric None of these Metal/alloy Semi-conductor ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Ceramic materials are Organic in nature Always bad heat conductors Stronger in compression than in tension Always amorphous in nature Organic in nature Always bad heat conductors Stronger in compression than in tension Always amorphous in nature ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following is not used as the ceramic material in 'cermets'? Oxides Silicides Carbides Nitrides Oxides Silicides Carbides Nitrides ANSWER DOWNLOAD EXAMIANS APP