Materials and Construction Super conductors are those substances, which Conduct electricity at low temperature Conduct electricity at high temperature Offer high resistance to current flow Offer no resistance to current flow Conduct electricity at low temperature Conduct electricity at high temperature Offer high resistance to current flow Offer no resistance to current flow ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Hardened steel is softened by Normalising Tempering Annealing Carburising Normalising Tempering Annealing Carburising ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Spark plugs, ignition tubes and electrodes are made of nickel __________ alloys. Iron Beryllium Copper Manganese Iron Beryllium Copper Manganese ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction For handling sulphuric acid of 95% strength, the suitable material of construction for pipes is Stainless steel Cast iron Nickel Aluminium Stainless steel Cast iron Nickel Aluminium ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Hydrochloric acid is __________ corrosive to common metals. Not Highly Mildly Least Not Highly Mildly Least ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Ceramic materials Are poor electrical conductors due to lack of free electrons All of these Are exemplified by clay and mica Never exhibit polymorphism Are poor electrical conductors due to lack of free electrons All of these Are exemplified by clay and mica Never exhibit polymorphism ANSWER DOWNLOAD EXAMIANS APP