Engineering Materials In full annealing, the hypo eutectoid steel is heated from 30°C to 50°C above the upper critical temperature and then cooled In still air Slowly in the furnace Any one of these Suddenly in a suitable cooling medium In still air Slowly in the furnace Any one of these Suddenly in a suitable cooling medium ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following is not the correct method of increasing fatigue limit? Nitriding of surface Shot peening Surface decarburisation Cold working Nitriding of surface Shot peening Surface decarburisation Cold working ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The hardness is the property of a material due to which it Can be drawn into wires Breaks with little permanent distortion Can cut another metal Can be rolled or hammered into thin sheets Can be drawn into wires Breaks with little permanent distortion Can cut another metal Can be rolled or hammered into thin sheets ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Manganese is added in low carbon steel to All of these Make the steel ductile and of good bending qualities Raise the yield point Make the steel tougher and harder All of these Make the steel ductile and of good bending qualities Raise the yield point Make the steel tougher and harder ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials In spheroidising process, the steel is Heated up to the lower critical temperature and then cooled in still air Heated slightly above the lower critical temperature and then cooled slowly to a temperature of 600°C None of these Heated below the lower critical temperature and then cooled slowly Heated up to the lower critical temperature and then cooled in still air Heated slightly above the lower critical temperature and then cooled slowly to a temperature of 600°C None of these Heated below the lower critical temperature and then cooled slowly ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials In the lower part of the blast furnace (zone of fusion), the temperature is 400° to 700°C 1500°C to 1700°C 1200°C to 1300°C 800°C to 1000°C 400° to 700°C 1500°C to 1700°C 1200°C to 1300°C 800°C to 1000°C ANSWER DOWNLOAD EXAMIANS APP
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