Materials and Construction Lead pipes are not safe for carraying drinking water, because water, containing dissolved oxygen attacks lead thereby forming poisonous Pb(OH)₂. Lead pipes are readily corroded by None of these Dilute HC₁ v Acetic acid None of these Dilute HC₁ v Acetic acid ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Platinum and silver are corroded by None of these Phosphoric acid Caustic soda solution Sulphuric acid (10%) None of these Phosphoric acid Caustic soda solution Sulphuric acid (10%) ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Invar used in thermocouples is an alloy of nickel and Copper Chromium Lead Iron Copper Chromium Lead Iron ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Ceramic recuperators are generally made of High alumina bricks Fireclay bricks Calcium carbide Silicon carbide High alumina bricks Fireclay bricks Calcium carbide Silicon carbide ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The most resistant material to alkaline corrosion is Duriron Aluminium Nickel Karbate Duriron Aluminium Nickel Karbate ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction __________ is added in low carbon steel to raise its yield point. Manganese Silicon Phosphorous Sulphur Manganese Silicon Phosphorous Sulphur ANSWER DOWNLOAD EXAMIANS APP