Engineering Materials Grey cast iron has Carbon in the form of free graphite Low compressive strength High tensile strength All of these Carbon in the form of free graphite Low compressive strength High tensile strength All of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Cobalt in steel Gives ductility, toughness, tensile strength and anti corrosion property Improves wear resistance, cutting ability and toughness Refines grain size and produces less tendency to carburisation, improve corrosion and heat resistant proper ties Improves cutting ability and reduce hardenability Gives ductility, toughness, tensile strength and anti corrosion property Improves wear resistance, cutting ability and toughness Refines grain size and produces less tendency to carburisation, improve corrosion and heat resistant proper ties Improves cutting ability and reduce hardenability ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials There are fourteen atoms in a unit cell of Face centered cubic space lattice None of these Body centered cubic space lattice Close packed hexagonal space lattice Face centered cubic space lattice None of these Body centered cubic space lattice Close packed hexagonal space lattice ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials When low carbon steel is heated up to upper critical temperature The grain size first increases and then decreases very rapidly The grain size increases very rapidly There is no change in grain size The average grain size is a minimum The grain size first increases and then decreases very rapidly The grain size increases very rapidly There is no change in grain size The average grain size is a minimum ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The hardness and tensile strength in austenitic stainless steel can be increased by Full annealing Martempering Hardening and cold working Normalizing Full annealing Martempering Hardening and cold working Normalizing ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Crystal structure of a material is, generally, examined by X-ray techniques Optical microscope Metallurgical microscope Naked eye X-ray techniques Optical microscope Metallurgical microscope Naked eye ANSWER DOWNLOAD EXAMIANS APP