Engineering Materials In low carbon steels, ________ raises the yield point and improves the resistance to atmospheric corrosion. Manganese Silicon Sulphur Phosphorus Manganese Silicon Sulphur Phosphorus ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Cast iron is a Malleable material Ductile material Brittle material Tough material Malleable material Ductile material Brittle material Tough material ANSWER DOWNLOAD EXAMIANS APP
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 Any one of these Suddenly in a suitable cooling medium Slowly in the furnace In still air Any one of these Suddenly in a suitable cooling medium Slowly in the furnace ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Iron-carbon alloys containing carbon ________ 4.3% are known as hyper-eutectic cast irons. Less than None of these More than Equal to Less than None of these More than Equal to ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Chromium when added to steel _________ the tensile strength. None of these Decreases Increases Does not effect None of these Decreases Increases Does not effect ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials For the allotropic forms of iron, the points of arrest are The points where there is no further flow of metal Constant for all metals The points of discontinuity The points where no further change occurs The points where there is no further flow of metal Constant for all metals The points of discontinuity The points where no further change occurs ANSWER DOWNLOAD EXAMIANS APP
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