Engineering Materials Crystal structure of a material is, generally, examined by X-ray techniques Metallurgical microscope Naked eye Optical microscope X-ray techniques Metallurgical microscope Naked eye Optical microscope ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The heat treatment process used for softening hardened steel is Normalizing Carburising Annealing Tempering Normalizing Carburising Annealing Tempering ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following statements are true for annealing of steels? All of these Cooling is done slowly and steadily Internal stresses are relieved Steels are heated to 500 to 700°C All of these Cooling is done slowly and steadily Internal stresses are relieved Steels are heated to 500 to 700°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The ability of a material to resist softening at high temperature is known as Fatigue Hot hardness Hot tempering Creep Fatigue Hot hardness Hot tempering Creep ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Pick up wrong statement about wrought iron It melts at 1535°C It is very soft and ductile It is made by adding suitable percentage of carbon to molten iron and subjecting the product to repeated hammering and rolling It contains carbon of the order of 0 to 0.25% It melts at 1535°C It is very soft and ductile It is made by adding suitable percentage of carbon to molten iron and subjecting the product to repeated hammering and rolling It contains carbon of the order of 0 to 0.25% ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Induction hardening is basically a Core hardening process None of these Carburising process Surface hardening process Core hardening process None of these Carburising process Surface hardening process ANSWER DOWNLOAD EXAMIANS APP
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