Materials and Construction High resistance electrical heating elements/wire are not made of Nichrome Kanthal wire Nimonic alloys Marageing steel Nichrome Kanthal wire Nimonic alloys Marageing steel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Gunmetal and bronze are not corroded by the action of Synthetic detergent solution Wet chlorine Hydrochloric acid (10%) Nitric acid (< 25%) Synthetic detergent solution Wet chlorine Hydrochloric acid (10%) Nitric acid (< 25%) ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The maximum percentage of chromium that can be added to steel is about 12 24 18 30 12 24 18 30 ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Galvanising (i.e., zinc coating) of steel sheets is done to Prevent its rusting by contact with corrosive atmosphere Neither A nor B Both A & B Protect the base metal by cathodic protection Prevent its rusting by contact with corrosive atmosphere Neither A nor B Both A & B Protect the base metal by cathodic protection ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction __________ alloys have the highest specific strength of all the structural materials out of the following. Magnetic steel Magnesium Chromium Titanium Magnetic steel Magnesium Chromium Titanium ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Tin base and lead base alloys are used for bearing materials. Tin compared to lead has lower Price Thermal conductivity Corrosion resistance Abundant availability Price Thermal conductivity Corrosion resistance Abundant availability ANSWER DOWNLOAD EXAMIANS APP