Materials and Construction H₂SO₄ (< 50% concentration) is corrosive to Aluminium, mild steel, stainless steel, concrete & tin Copper, cast iron & high silicon iron (14% Si) Glass, graphite, porcelain & stoneware Rubber (butyl and hard), silicone rubber & teflon Aluminium, mild steel, stainless steel, concrete & tin Copper, cast iron & high silicon iron (14% Si) Glass, graphite, porcelain & stoneware Rubber (butyl and hard), silicone rubber & teflon ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following will have the highest melting point? High carbon steel Wrought iron Pig iron Mild steel High carbon steel Wrought iron Pig iron Mild steel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction A material is able to retain the deformation permanently by virtue of its Elasticity Plasticity Ductility Malleability Elasticity Plasticity Ductility Malleability ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following is the most elastic material? Steel Plastic Rubber Glass Steel Plastic Rubber Glass ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Coke oven regenerators are made of __________ bricks. Silica High electrical conductivity Fire clay Low thermal conductivity Silica High electrical conductivity Fire clay Low thermal conductivity ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Inconel is an alloy of Copper and tin Tin, zinc and nickel Copper and nickel Iron, nickel and chromium Copper and tin Tin, zinc and nickel Copper and nickel Iron, nickel and chromium ANSWER DOWNLOAD EXAMIANS APP
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