Materials and Construction H₂SO₄ (< 50% concentration) is corrosive to Copper, cast iron & high silicon iron (14% Si) Aluminium, mild steel, stainless steel, concrete & tin Glass, graphite, porcelain & stoneware Rubber (butyl and hard), silicone rubber & teflon Copper, cast iron & high silicon iron (14% Si) Aluminium, mild steel, stainless steel, concrete & tin Glass, graphite, porcelain & stoneware Rubber (butyl and hard), silicone rubber & teflon ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Balls in a ball mill are usually made of Steel Stainless steel Bronze Cast iron Steel Stainless steel Bronze Cast iron ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Steel balls for ball bearings are generally made of __________ steel. Stainless Carbon chrome Cast Free carbon Stainless Carbon chrome Cast Free carbon ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Babbit metal is not a Pure metal White metal Lead base alloy Tin base alloy Pure metal White metal Lead base alloy Tin base alloy ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following is the most widely used insulating material for steam carray-ing pipelines? Ceramic fibre blanket Slag wool Glass wool and 85% magnesia Vermiculite Ceramic fibre blanket Slag wool Glass wool and 85% magnesia Vermiculite ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The main purpose of galvanising iron sheets is to Increase its glossiness and lustre Harden the surface Prevent the action of water Prevent the action of oxygen Increase its glossiness and lustre Harden the surface Prevent the action of water Prevent the action of oxygen ANSWER DOWNLOAD EXAMIANS APP
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