Materials and Construction The main purpose of galvanising iron sheets is to Increase its glossiness and lustre Prevent the action of water Prevent the action of oxygen Harden the surface Increase its glossiness and lustre Prevent the action of water Prevent the action of oxygen Harden the surface ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Spark plugs, ignition tubes and electrodes are made of nickel __________ alloys. Manganese Copper Iron Beryllium Manganese Copper Iron Beryllium ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The chlorinator used in the manufacture of DDT is made of Teflon Bakelite Glass lined steel Glass Teflon Bakelite Glass lined steel Glass ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following is an alloy of nickel and copper? Monel Hastelloy Inconel Duriron Monel Hastelloy Inconel Duriron ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Cold worked steel parts are normally subjected to Shot peening Hardening Normalising Annealing Shot peening Hardening Normalising Annealing ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Out of the following, copper vessels are the most suitable for the storage of Bromine Phosphoric acid (95%) & sulphuric acid (95% and fuming) Nitric acid (95% and fuming) Dry chlorine & dry fluorine Bromine Phosphoric acid (95%) & sulphuric acid (95% and fuming) Nitric acid (95% and fuming) Dry chlorine & dry fluorine ANSWER DOWNLOAD EXAMIANS APP