Engineering Materials Depth of hardness of steel is increased by addition of Nickel Vanadium Tungsten Chromium Nickel Vanadium Tungsten Chromium ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials In full annealing, the hypo eutectoid steel is heated from 30°C to 50°C above the upper critical temperature and then cooled Suddenly in a suitable cooling medium Slowly in the furnace In still air Any one of these Suddenly in a suitable cooling medium Slowly in the furnace In still air Any one of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Free cutting steels Require minimum cutting force Is used where rapid machining is the prime requirement Can be cut freely Contain carbon in free from Require minimum cutting force Is used where rapid machining is the prime requirement Can be cut freely Contain carbon in free from ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials In high speed steels, manganese is used to tougher the metal and to increase its Yield point Melting point Critical temperature Hardness Yield point Melting point Critical temperature Hardness ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The hardness of steel increases if it contains Martensite Pearlite Austenite Cementite Martensite Pearlite Austenite Cementite ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Gamma iron exits at following temperature Between 1400°C and 1539°C Near melting point Room temperature Between 910°C and 1400°C Between 1400°C and 1539°C Near melting point Room temperature Between 910°C and 1400°C ANSWER DOWNLOAD EXAMIANS APP