Materials and Construction H₂SO₄ (< 50% concentration) is corrosive to 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 Aluminium, mild steel, stainless steel, concrete & tin ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Constantan is an alloy of 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%) Pt (95%) & Rh (10%) 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 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 Sulphuric acid (10%) at room temperature 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
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