Materials and Construction Hardened steel is softened by Tempering Normalising Annealing Carburising Tempering Normalising Annealing Carburising ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Galvanising (i.e., zinc coating) of steel sheets is done to Neither A nor B Both A & B Prevent its rusting by contact with corrosive atmosphere Protect the base metal by cathodic protection Neither A nor B Both A & B Prevent its rusting by contact with corrosive atmosphere Protect the base metal by cathodic protection ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction __________ of a material results, when its strength is increased & ductility is decreased by heating at a relatively lower temperature after cold working. Solid solution hardening Strain ageing Twinning Screw dislocation Solid solution hardening Strain ageing Twinning Screw dislocation ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following is the hardest? Ferrite Austenite Cementite Pearlite Ferrite Austenite Cementite Pearlite ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Corrosion resisting properties of cast iron are significantly improved by the addition of 12 - 15% of Silicon All of these Vanadium Tungsten Silicon All of these Vanadium Tungsten ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The softest material just next to talc in the Mho's scale is Feldspar Gypsum Fluorite Quartz Feldspar Gypsum Fluorite Quartz ANSWER DOWNLOAD EXAMIANS APP