Engineering Materials Induction hardening is the process of Increasing hardness throughout Hardening surface of work-piece to obtain hard and wear resistant surface Inducing hardness by continuous process Heating and cooling rapidly Increasing hardness throughout Hardening surface of work-piece to obtain hard and wear resistant surface Inducing hardness by continuous process Heating and cooling rapidly ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials In low carbon steels, ________ raises the yield point and improves the resistance to atmospheric corrosion. Manganese Phosphorus Silicon Sulphur Manganese Phosphorus Silicon Sulphur ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The temperature required for full annealing in hypereutectoid steel is 30° C to 50° C above lower critical temperature 30° C to 50° C below upper critical temperature 30° C to 50° C below lower critical temperature 30° C to 50° C above upper critical temperature 30° C to 50° C above lower critical temperature 30° C to 50° C below upper critical temperature 30° C to 50° C below lower critical temperature 30° C to 50° C above upper critical temperature ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The brown smoke during the operation of a Bessemer converter indicates that the Silicon and manganese has burnt and carbon has started oxidizing Air is burning out silicon and manganese The brown smoke does not occur during the operation of a Bessemer converter The converter must be titled to remove the contents of the converter Silicon and manganese has burnt and carbon has started oxidizing Air is burning out silicon and manganese The brown smoke does not occur during the operation of a Bessemer converter The converter must be titled to remove the contents of the converter ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Body centered cubic space lattice is found in None of these Alpha iron, tungsten, chromium and molybdenum Zinc, magnesium, cobalt, cadmium, antimony and bismuth Gamma iron, aluminium, copper, lead, silver and nickel None of these Alpha iron, tungsten, chromium and molybdenum Zinc, magnesium, cobalt, cadmium, antimony and bismuth Gamma iron, aluminium, copper, lead, silver and nickel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following has highest specific strength of all structural materials? Magnesium alloys Titanium alloys Chromium alloys Magnetic steel alloys Magnesium alloys Titanium alloys Chromium alloys Magnetic steel alloys ANSWER DOWNLOAD EXAMIANS APP
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