Engineering Materials Quenching is not necessary when hardening is done by Nitriding Flame hardening Any one of these Case hardening Nitriding Flame hardening Any one of these Case hardening ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following statement is true about brittle fracture? Brittle fracture is always preceded by noise Cup and cone formation is characteristic for brittle materials High temperature and low strain rates favour brittle fracture Many metals with hexagonal close packed (H.C.P) crystal structure commonly show brittle fracture Brittle fracture is always preceded by noise Cup and cone formation is characteristic for brittle materials High temperature and low strain rates favour brittle fracture Many metals with hexagonal close packed (H.C.P) crystal structure commonly show brittle fracture ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which is false statement about properties of aluminium? Wear resistance is very good Creep strength limits its use to fairly low temperatures Modulus of elasticity is fairly low Fatigue strength is not high Wear resistance is very good Creep strength limits its use to fairly low temperatures Modulus of elasticity is fairly low Fatigue strength is not high ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials In malleable iron, carbon is present in the form of Flakes Nodular aggregates of graphite Cementite Free carbon Flakes Nodular aggregates of graphite Cementite Free carbon ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The tensile strength of wrought iron is maximum Uniform in all directions None of these Along the lines of slag distribution Perpendicular to lines of slag distribution Uniform in all directions None of these Along the lines of slag distribution Perpendicular to lines of slag distribution ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following is the binding material in cemented carbides? Iron Vanadium Nickel Cobalt Iron Vanadium Nickel Cobalt ANSWER DOWNLOAD EXAMIANS APP