Materials and Construction Gunmetal and bronze are not corroded by the action of Nitric acid (< 25%) Wet chlorine Hydrochloric acid (10%) Synthetic detergent solution Nitric acid (< 25%) Wet chlorine Hydrochloric acid (10%) Synthetic detergent solution ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Most common stainless steel type 316, which is highly resistant to corrosion contains 20-22% Cr, and 8-10% Ni 16-13% Cr 10-14% Ni and 2-3% Mo None of these 2-4% Cr, 22% NI and 2-4% Mo 20-22% Cr, and 8-10% Ni 16-13% Cr 10-14% Ni and 2-3% Mo None of these 2-4% Cr, 22% NI and 2-4% Mo ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Cast iron detachable joint is used in __________ pipes. Asbestos cement Reinforced cement concrete Cast iron Steel Asbestos cement Reinforced cement concrete Cast iron Steel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The phenomenon in which slow extension of material takes place with the time at constant load is called Ductility Creep Plasticity Elasticity Ductility Creep Plasticity Elasticity ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The damage/deterioration of metals by the __________ action of fluids is called 'erosion'. Both A & B Neither A nor B Abrasive Corrosive Both A & B Neither A nor B Abrasive Corrosive ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Ceramic materials Are poor electrical conductors due to lack of free electrons Are exemplified by clay and mica Never exhibit polymorphism All of these Are poor electrical conductors due to lack of free electrons Are exemplified by clay and mica Never exhibit polymorphism All of these ANSWER DOWNLOAD EXAMIANS APP
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