Materials and Construction High speed steel tools retain their hardness upto a temperature of __________ °C. 750 900 500 1100 750 900 500 1100 ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Hardened steel is softened by Carburising Annealing Normalising Tempering Carburising Annealing Normalising Tempering ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Constantan is an alloy of Cu (55%) & Sn (45%) Cu (55%) & Ni (45%) Fe (80%) & Ni (20%) Pt (95%) & Rh (10%) Cu (55%) & Sn (45%) Cu (55%) & Ni (45%) Fe (80%) & Ni (20%) Pt (95%) & Rh (10%) ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction A magnetic material becomes __________ above the Curie temperature. None of these Ferromagnetic Diamagnetic Paramagnetic None of these Ferromagnetic Diamagnetic Paramagnetic ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Tempering of steel is done to make it Soft Rollable Hard Brittle Soft Rollable Hard Brittle ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Silico-manganese steels (containing 0.7% Mn, 0.5% C and 2% Si) Do not have good resilience properties Are used for leaf and coiled springs Do not require heat treatment for any of its applications Is tempered at 850°C Do not have good resilience properties Are used for leaf and coiled springs Do not require heat treatment for any of its applications Is tempered at 850°C ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS