Materials and Construction Gunmetal and bronze are not corroded by the action of Wet chlorine Synthetic detergent solution Nitric acid (< 25%) Hydrochloric acid (10%) Wet chlorine Synthetic detergent solution Nitric acid (< 25%) Hydrochloric acid (10%) ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Hardening of steel is not possible unless it is heated __________ critical point. Above the highest Between the second & third Between the first & second Above the lowest Above the highest Between the second & third Between the first & second Above the lowest ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Galvanising is generally done on Non-ferrous metals Cast iron Low carbon steel Stainless steel Non-ferrous metals Cast iron Low carbon steel Stainless steel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Steel tower used for the storage of oleum Is lined with rubber Is lined with lead Is lined with acid-proof bricks Need not be lined Is lined with rubber Is lined with lead Is lined with acid-proof bricks Need not be lined ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Hardened steel is softened by Tempering Annealing Carburising Normalising Tempering Annealing Carburising Normalising ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Acid proof stoneware All of these Cannot be heated Has very low strength Is broken by small temperature changes All of these Cannot be heated Has very low strength Is broken by small temperature changes ANSWER DOWNLOAD EXAMIANS APP
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