Materials and Construction Platinum and silver are corroded by Sulphuric acid (10%) Caustic soda solution Phosphoric acid None of these Sulphuric acid (10%) Caustic soda solution Phosphoric acid None of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Addition of tungsten to steel imparts Magnetic properties Ductility Corrosion resistance Cutting hardness Magnetic properties Ductility Corrosion resistance Cutting hardness ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Mild steel storage vessels are suitable for the storage of Anhydrous ammonia Hydrochloric acid (95%) Fatty acids Sulphuric acid (25%) Anhydrous ammonia Hydrochloric acid (95%) Fatty acids Sulphuric acid (25%) ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Tin coating on metals is not done by Hot dipping Electro-deposition Powder metallurgy Spraying Hot dipping Electro-deposition Powder metallurgy Spraying ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction When iron is rusted, it is None of these Reduced Converted to a fine powder Oxidised None of these Reduced Converted to a fine powder Oxidised ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following is not an alloy of nickel and chromium? Duralumin Hastealloy Nimonic alloys Inconel Duralumin Hastealloy Nimonic alloys Inconel ANSWER DOWNLOAD EXAMIANS APP