Materials and Construction The electrical conductivity of a __________ decreases with rise in temperature. None of these Semi-conductor Dielectric Metal/alloy None of these Semi-conductor Dielectric Metal/alloy ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction An alloy used as thermocouple material comprises of 40% nickel and 60% copper. German silver Chromel Kanthal Constantan German silver Chromel Kanthal Constantan ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following is the hardest? Pearlite Cementite Austenite Ferrite Pearlite Cementite Austenite Ferrite ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction A metallic alloy in which one of the constituent metal is __________ , is called an amalgam. Tin Zinc Lead Mercury Tin Zinc Lead Mercury ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The material used in the filament of electric bulbs is German silver Constantan Tungsten Nichrome German silver Constantan Tungsten Nichrome ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following has a very high carbide forming tendency in steels? Vanadium Nickel Silicon Chromium Vanadium Nickel Silicon Chromium ANSWER DOWNLOAD EXAMIANS APP