Materials and Construction H₂SO₄ (< 50% concentration) is corrosive to Aluminium, mild steel, stainless steel, concrete & tin Rubber (butyl and hard), silicone rubber & teflon Copper, cast iron & high silicon iron (14% Si) Glass, graphite, porcelain & stoneware Aluminium, mild steel, stainless steel, concrete & tin Rubber (butyl and hard), silicone rubber & teflon Copper, cast iron & high silicon iron (14% Si) Glass, graphite, porcelain & stoneware ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Constantan is an alloy of Pt (95%) & Rh (10%) Cu (55%) & Sn (45%) Cu (55%) & Ni (45%) Fe (80%) & Ni (20%) Pt (95%) & Rh (10%) Cu (55%) & Sn (45%) Cu (55%) & Ni (45%) Fe (80%) & Ni (20%) ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Constituents of stellite are Cobalt, chromium and tungsten Zinc, aluminium and nickel Nickel, cobalt and vanadium Zinc, copper and nickel Cobalt, chromium and tungsten Zinc, aluminium and nickel Nickel, cobalt and vanadium Zinc, copper and nickel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Polythene (low or high density) containers are not corroded by Any of these Nitric acid (95%) at room temperature Sulphuric acid (10%) at room temperature Sulphur trioxide at 60°C Any of these Nitric acid (95%) at room temperature Sulphuric acid (10%) at room temperature Sulphur trioxide at 60°C ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction An alloy of iron containing 4% carbon is called High carbon steel None of these Mild steel Wrought iron High carbon steel None of these Mild steel Wrought iron ANSWER DOWNLOAD EXAMIANS APP