Materials and Construction H₂SO₄ (< 50% concentration) is corrosive to Glass, graphite, porcelain & stoneware Copper, cast iron & high silicon iron (14% Si) Rubber (butyl and hard), silicone rubber & teflon Aluminium, mild steel, stainless steel, concrete & tin Glass, graphite, porcelain & stoneware Copper, cast iron & high silicon iron (14% Si) Rubber (butyl and hard), silicone rubber & teflon Aluminium, mild steel, stainless steel, concrete & tin ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Fatigue failure of a material may occur, when it is subjected to __________ stress. Tensile Compressive Fluctuating Torsion Tensile Compressive Fluctuating Torsion ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following is the most elastic material? Glass Steel Plastic Rubber Glass Steel Plastic Rubber ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following pairs of elements may form an alloy? Platinum & mercury Iron & mercury Iron & carbon None of these Platinum & mercury Iron & mercury Iron & carbon None of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following commercial metals is most abundantly found in India? Nickel Zinc Aluminium Copper Nickel Zinc Aluminium Copper ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction 'Hypersil' is a __________ steel. Molybdenum Silicon High speed Tungsten Molybdenum Silicon High speed Tungsten ANSWER DOWNLOAD EXAMIANS APP