Engineering Materials Iron-carbon alloys containing carbon ________ 4.3% are known as hyper-eutectic cast irons. Less than More than None of these Equal to Less than More than None of these Equal to ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The steel widely used for motor car crankshafts is Nickel-chrome steel Nickel steel Silicon steel Chrome steel Nickel-chrome steel Nickel steel Silicon steel Chrome steel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The hardness and tensile strength in austenitic stainless steel can be increased by Martempering Normalizing Hardening and cold working Full annealing Martempering Normalizing Hardening and cold working Full annealing 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 Slowly in the furnace Any one of these In still air Suddenly in a suitable cooling medium Slowly in the furnace Any one of these In still air Suddenly in a suitable cooling medium ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials When steel containing less than 0.8% carbon is cooled slowly from temperatures above or within the critical range, it consists of Pearlite and cementite Ferrite and pearlite Mainly pearlite Mainly ferrite Pearlite and cementite Ferrite and pearlite Mainly pearlite Mainly ferrite ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The machinability of steel is increased by Phosphorous, lead and sulphur Sulphur, graphite and aluminium Silicon and sulphur Phosphorous and aluminium Phosphorous, lead and sulphur Sulphur, graphite and aluminium Silicon and sulphur Phosphorous and aluminium ANSWER DOWNLOAD EXAMIANS APP
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