Materials and Construction H₂SO₄ (< 50% concentration) is corrosive to Copper, cast iron & high silicon iron (14% Si) Rubber (butyl and hard), silicone rubber & teflon Glass, graphite, porcelain & stoneware Aluminium, mild steel, stainless steel, concrete & tin Copper, cast iron & high silicon iron (14% Si) Rubber (butyl and hard), silicone rubber & teflon Glass, graphite, porcelain & stoneware Aluminium, mild steel, stainless steel, concrete & tin ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction A metallic alloy in which one of the constituent metal is __________ , is called an amalgam. Lead Zinc Tin Mercury Lead Zinc Tin Mercury 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 Corrosion resistance Thermal conductivity Abundant availability Price Corrosion resistance Thermal conductivity Abundant availability ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Materials having __________ lattice structure are usually most ductile. H.c.p. F.c.c. c.c. Cubic H.c.p. F.c.c. c.c. Cubic ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Acid proof stoneware Has very low strength Is broken by small temperature changes Cannot be heated All of these Has very low strength Is broken by small temperature changes Cannot be heated All of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Acetaldehyde is produced by hydration of acetylene in a sulphuric acid solution of mercuric sulphate. Hydration tower is made of Lead lined mild steel Cast iron Aluminium Rubber lined mild steel Lead lined mild steel Cast iron Aluminium Rubber lined mild steel ANSWER DOWNLOAD EXAMIANS APP
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