Materials and Construction The main purpose of galvanising iron sheets is to Prevent the action of oxygen Increase its glossiness and lustre Prevent the action of water Harden the surface Prevent the action of oxygen Increase its glossiness and lustre Prevent the action of water Harden the surface ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Fermenter used in the production of pen-cillin by deep fermentation proces is a __________ lined steel vessel Monel Nickel Glass Rubber Monel Nickel Glass Rubber ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Spray dryer for evaporating milk to produce milk powder is made of Stainless steel Cast iron Lead lined steel Aluminium Stainless steel Cast iron Lead lined steel Aluminium ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Photographic plates are coated with Calcium silicate Metallic silver Silver halide Silver nitrate Calcium silicate Metallic silver Silver halide Silver nitrate ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction To improve the machinability of steel by its softening, it is subjected to Heating Cold working Annealing Shot blasting Heating Cold working Annealing Shot blasting ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction A bearing metal should not have Low thermal conductivity Low co-efficient of friction High toughness Enough plasticity Low thermal conductivity Low co-efficient of friction High toughness Enough plasticity ANSWER DOWNLOAD EXAMIANS APP