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