Materials and Construction The heat treatment process to which castings and the steel balls produced by cold heading are subjected is Normalising None of these Annealing Tempering Normalising None of these Annealing Tempering ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Acid proof stoneware Is broken by small temperature changes Cannot be heated Has very low strength All of these Is broken by small temperature changes Cannot be heated Has very low strength All of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Containers made of high silicon cast iron (14% Si) are not suitable for the storage of Acetic acid Benzoic & boric acids Phosphoric acid (95%) & sulphuric acid (95%) Hydrochloric acid (concentrated) Acetic acid Benzoic & boric acids Phosphoric acid (95%) & sulphuric acid (95%) Hydrochloric acid (concentrated) ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following alloy steels has the energy saving properties making it suitable for use in electrical machines? Silicon steel None of these Chromium steel Molybdenum steel Silicon steel None of these Chromium steel Molybdenum steel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Platinum and silver are corroded by Phosphoric acid Sulphuric acid (10%) None of these Caustic soda solution Phosphoric acid Sulphuric acid (10%) None of these Caustic soda solution ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Tempering of steel is done to make it Rollable Soft Brittle Hard Rollable Soft Brittle Hard ANSWER DOWNLOAD EXAMIANS APP