Materials and Construction The formation of oxide film on a metal due to atmospheric exposure reduces its Toughness Creep limit Stiffness All of these Toughness Creep limit Stiffness All of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following has a very high carbide forming tendency in steels? Nickel Vanadium Chromium Silicon Nickel Vanadium Chromium Silicon ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which one occupies the lowermost position in the electromotive series of metals? Zinc Noble metals (Ag, Pt, Au) Alkali metals (K, Na, Li) Aluminium Zinc Noble metals (Ag, Pt, Au) Alkali metals (K, Na, Li) Aluminium ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction H₂SO₄ (< 50% concentration) is corrosive to 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 Glass, graphite, porcelain & stoneware Copper, cast iron & high silicon iron (14% Si) Rubber (butyl and hard), silicone rubber & teflon ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Alinco, which is a aluminium-cobalt-nickel steel, is used for making Powerful magnets Surgical instruments Chemical equipments Boiler tubes Powerful magnets Surgical instruments Chemical equipments Boiler tubes ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The material of construction of bearings is Babbit metal Cast iron Pig iron Steel Babbit metal Cast iron Pig iron Steel ANSWER DOWNLOAD EXAMIANS APP