Materials and Construction Concentrated HCl at 30°C can be stored in a vessel made of Stainless steel and high silicon cast iron PTFE and porcelain None of these Cast iron and aluminium Stainless steel and high silicon cast iron PTFE and porcelain None of these Cast iron and aluminium ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Constantan is an alloy of Cu (55%) & Sn (45%) Pt (95%) & Rh (10%) Fe (80%) & Ni (20%) Cu (55%) & Ni (45%) Cu (55%) & Sn (45%) Pt (95%) & Rh (10%) Fe (80%) & Ni (20%) Cu (55%) & Ni (45%) ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The main purpose of galvanising iron sheets is to Harden the surface Prevent the action of oxygen Prevent the action of water Increase its glossiness and lustre Harden the surface Prevent the action of oxygen Prevent the action of water Increase its glossiness and lustre ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Addition of tungsten to steel imparts Corrosion resistance Cutting hardness Magnetic properties Ductility Corrosion resistance Cutting hardness Magnetic properties Ductility ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Anodic material used for the cathodic protection of underground buried steel pipeline is Zinc or magnesium Nickel or copper Bronze Brass Zinc or magnesium Nickel or copper Bronze Brass ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Telfon (PTFE) is corroded by Sulphuric acid None of these Hydrochloric acid (95%) Hydrochloric acid (10%) Sulphuric acid None of these Hydrochloric acid (95%) Hydrochloric acid (10%) ANSWER DOWNLOAD EXAMIANS APP
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