Materials and Construction H₂SO₄ (< 50% concentration) is corrosive to Rubber (butyl and hard), silicone rubber & teflon Aluminium, mild steel, stainless steel, concrete & tin Copper, cast iron & high silicon iron (14% Si) Glass, graphite, porcelain & stoneware Rubber (butyl and hard), silicone rubber & teflon Aluminium, mild steel, stainless steel, concrete & tin Copper, cast iron & high silicon iron (14% Si) Glass, graphite, porcelain & stoneware ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Most of the common metals have __________ crystal structure. Cubic Orthorhombic None of these Hexagonal Cubic Orthorhombic None of these Hexagonal ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction To improve the machinability of steel, it is generally subjected to Spheroidising Normalising Annealing Tempering Spheroidising Normalising Annealing Tempering ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction A measure of toughness of a material is its Yield strength Ultimate strength Percentage elongation Area under stress-strain diagram Yield strength Ultimate strength Percentage elongation Area under stress-strain diagram ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Hastelloy comprises of Molybdenum and nickel Lead and tin Copper and nickel Copper and tin Molybdenum and nickel Lead and tin Copper and nickel Copper and tin ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Hydrochloric acid absorber in made of Stainless steel Karbate Cast iron Mild steel Stainless steel Karbate Cast iron Mild steel ANSWER DOWNLOAD EXAMIANS APP