Materials and Construction Zinc is not used In its oxide form as pigments For producing zinc base die casting alloys As an alloying element in various bronzes As anode for corrosion prevention in boiler In its oxide form as pigments For producing zinc base die casting alloys As an alloying element in various bronzes As anode for corrosion prevention in boiler ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Specify the material of construction suitable for handling concentrated HNO₃ at 100°C. Stainless steel Silicone rubber Tin and wood High silicon iron, Kel-F and teflon Stainless steel Silicone rubber Tin and wood High silicon iron, Kel-F and teflon ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction In order to be called steel, an alloy should have iron percentage greater than 50 70 90 80 50 70 90 80 ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Gunmetal and bronze are not corroded by the action of Hydrochloric acid (10%) Wet chlorine Synthetic detergent solution Nitric acid (< 25%) Hydrochloric acid (10%) Wet chlorine Synthetic detergent solution Nitric acid (< 25%) ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Invar used in thermocouples is an alloy of nickel and Lead Copper Iron Chromium Lead Copper Iron Chromium ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Corrosion involves exchange of electrons in __________ corrosion. Electrochemical Both A & B Chemical Neither A nor B Electrochemical Both A & B Chemical Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
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