Engineering Materials The percentage of carbon in grey iron castings usually varies between 0.5 to 1% 5 to 7% 2.5 to 4.5% 0.012 0.5 to 1% 5 to 7% 2.5 to 4.5% 0.012 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The heat treatment process used for softening hardened steel is Tempering Carburising Normalizing Annealing Tempering Carburising Normalizing Annealing ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The steel widely used for motor car crankshafts is Nickel-chrome steel Chrome steel Nickel steel Silicon steel Nickel-chrome steel Chrome steel Nickel steel Silicon steel 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 Suddenly in a suitable cooling medium Any one of these In still air Slowly in the furnace Suddenly in a suitable cooling medium Any one of these In still air Slowly in the furnace ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The lower critical point for all steels is 723°C 700°C 913°C 600°C 723°C 700°C 913°C 600°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Nodular iron has All of these Low melting point High tensile strength High machinability All of these Low melting point High tensile strength High machinability ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS