Engineering Materials The bond formed by transferring electrons from one atom to another is called Covalent bond None of these Metallic bond Ionic bond Covalent bond None of these Metallic bond Ionic bond ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The purpose of heat treatment is to Relieve the stresses set up in the material after hot or cold working Change grain size Modify the structure of the material Any one of these Relieve the stresses set up in the material after hot or cold working Change grain size Modify the structure of the material Any one of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The following element can't impart high strength at elevated temperature Silicon Magnesium Manganese Nickel Silicon Magnesium Manganese Nickel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The presence of hydrogen in steel causes Reduced neutron absorption cross-section Corrosion resistance Embrittlement Improved Weldability Reduced neutron absorption cross-section Corrosion resistance Embrittlement Improved Weldability ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Smelting is the process of All of these Reducing the ore with carbon in the presence of a flux Expelling moisture, carbon dioxide, sulphur and arsenic from the iron ore by heating in shallow kilns Removing the impurities like clay, sand etc. from the iron ore by washing with water All of these Reducing the ore with carbon in the presence of a flux Expelling moisture, carbon dioxide, sulphur and arsenic from the iron ore by heating in shallow kilns Removing the impurities like clay, sand etc. from the iron ore by washing with water ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials In a hardening process, the hypo-eutectoid steel is Heated from 30°C to 50°C above the upper critical temperature and then cooled in still air Heated from 30°C to 50°C above the upper critical temperature and then cooled slowly in the furnace Heated from 30°C to 50°C above the upper critical temperature and then cooled suddenly in a suitable cooling medium Heated below or closes to the lower critical temperature and then cooled slowly Heated from 30°C to 50°C above the upper critical temperature and then cooled in still air Heated from 30°C to 50°C above the upper critical temperature and then cooled slowly in the furnace Heated from 30°C to 50°C above the upper critical temperature and then cooled suddenly in a suitable cooling medium Heated below or closes to the lower critical temperature and then cooled slowly ANSWER DOWNLOAD EXAMIANS APP
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