Materials and Construction Which of the following heat treatment processes is used for softening the hardened material? Normalising Annealing None of these Tempering Normalising Annealing None of these Tempering ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Rubber lined vessels are corroded by the action of All of these Chloroform Sulphuric acid (95%) Aqua regia All of these Chloroform Sulphuric acid (95%) Aqua regia ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Generally __________ are subjected to galvanising (i.e., zinc coating). Non-ferrous metals Non-metals Stainless steel Low carbon steels Non-ferrous metals Non-metals Stainless steel Low carbon steels ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The process of coating steel sheets by zinc to improve its corrosion resistance is called Calorising Tempering Galvanising Zincification Calorising Tempering Galvanising Zincification 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. Twinning Strain ageing Screw dislocation Solid solution hardening Twinning Strain ageing Screw dislocation Solid solution hardening ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Pure nickel is Having h.c.p. crystal lattice Ferromagnetic above its curie point (i.e., 415°C) Not resistant to oxidation at high temperature Ferromagnetic at room temperature Having h.c.p. crystal lattice Ferromagnetic above its curie point (i.e., 415°C) Not resistant to oxidation at high temperature Ferromagnetic at room temperature ANSWER DOWNLOAD EXAMIANS APP
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