Engineering Materials Quenching is not necessary when hardening is done by Nitriding Case hardening Any one of these Flame hardening Nitriding Case hardening Any one of these Flame hardening ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials In process annealing, the hypo eutectoid steel is 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 suddenly in a suitable cooling medium 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 in still air 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 suddenly in a suitable cooling medium 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 in still air ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Free cutting steels Require minimum cutting force Contain carbon in free from Is used where rapid machining is the prime requirement Can be cut freely Require minimum cutting force Contain carbon in free from Is used where rapid machining is the prime requirement Can be cut freely ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Cupola produces following material Wrought iron Cast iron Pig iron Malleable iron Wrought iron Cast iron Pig iron Malleable iron ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The compressive strength of cast iron is __________that of its tensile strength. More than Less than Equal to None of these More than Less than Equal to None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Sulphur in cast iron Make the iron white and hard Makes the iron soft and easily machinable Increases hardness and brittleness Aids fusibility and fluidity Make the iron white and hard Makes the iron soft and easily machinable Increases hardness and brittleness Aids fusibility and fluidity ANSWER DOWNLOAD EXAMIANS APP
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