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 Constantan is an alloy of Cu (55%) & Ni (45%) 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%) ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Constituents of stellite are 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 Nickel, cobalt and vanadium 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 Mild steel None of these Wrought iron High carbon steel Mild steel None of these Wrought iron ANSWER DOWNLOAD EXAMIANS APP
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