Materials and Construction Super conductors are those substances, which Offer high resistance to current flow Conduct electricity at high temperature Offer no resistance to current flow Conduct electricity at low temperature Offer high resistance to current flow Conduct electricity at high temperature Offer no resistance to current flow Conduct electricity at low temperature ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Sulphuric acid pickling tanks are lined with Glass Rubber Aluminium Nickel Glass Rubber Aluminium Nickel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Graphite is a good Conductor of heat Conductor of electricity Both B & C Thermal & electrical insulator Conductor of heat Conductor of electricity Both B & C Thermal & electrical insulator ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Addition of nickel to copper improves its Hardness Strength Ductility Machinability Hardness Strength Ductility Machinability ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The temperature at which new grains are formed in the metal is called the __________ temperature. Lower critical Eutectic Recrystallisation Upper critical Lower critical Eutectic Recrystallisation Upper critical ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction __________ does not contain copper as an alloying element, Monel metal Perminivar Manganin Nichrome Monel metal Perminivar Manganin Nichrome ANSWER DOWNLOAD EXAMIANS APP