Materials and Construction Platinum and silver are corroded by None of these Phosphoric acid Caustic soda solution Sulphuric acid (10%) None of these Phosphoric acid Caustic soda solution Sulphuric acid (10%) ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Galvanising (i.e., zinc coating) of steel sheets is done to Both A & B Protect the base metal by cathodic protection Neither A nor B Prevent its rusting by contact with corrosive atmosphere Both A & B Protect the base metal by cathodic protection Neither A nor B Prevent its rusting by contact with corrosive atmosphere ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Carbon content in plain carbon steel is __________ percent. 0.35 to 0.45 0.65 to 0.80 0.85 to 1.2 0.1 to 0.15 0.35 to 0.45 0.65 to 0.80 0.85 to 1.2 0.1 to 0.15 ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Sulphuric acid is mixed with ground phosphate rock (to produce phosphoric acid) in a steel digestor lined with Lead or acid-proof bricks Rubber Karbate Acidic refractory Lead or acid-proof bricks Rubber Karbate Acidic refractory ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Maximum consumption of zinc is in Utensil manufacture Galvanising Electrical industry Alloying Utensil manufacture Galvanising Electrical industry Alloying ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Fatigue failure of a material results from __________ stress. Compressive None of these Tensile Fluctuating Compressive None of these Tensile Fluctuating ANSWER DOWNLOAD EXAMIANS APP
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