Engineering Materials The heat treatment process used for softening hardened steel is Carburising Tempering Normalizing Annealing Carburising Tempering Normalizing Annealing ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials When the steel is normalized, its Yield point increases Ultimate tensile strength increases Ductility decreases All of these Yield point increases Ultimate tensile strength increases Ductility decreases All of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The percentage of carbon in grey iron castings usually varies between 0.012 2.5 to 4.5% 5 to 7% 0.5 to 1% 0.012 2.5 to 4.5% 5 to 7% 0.5 to 1% ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Thermoplastic materials are those materials which Do not become hard with the application of heat and pressure and no chemical change occurs Are flexible and can withstand considerable wear under suitable conditions Are formed into shape under heat and pressure and results in a permanently hard product Are used as a friction lining for clutches and brakes Do not become hard with the application of heat and pressure and no chemical change occurs Are flexible and can withstand considerable wear under suitable conditions Are formed into shape under heat and pressure and results in a permanently hard product Are used as a friction lining for clutches and brakes ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The tensile strength of wrought iron is maximum None of these Perpendicular to lines of slag distribution Along the lines of slag distribution Uniform in all directions None of these Perpendicular to lines of slag distribution Along the lines of slag distribution Uniform in all directions ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Stress relaxation is the phenomenon In which parts are not loaded In which deformation tends to loosen the joint and produces a stress reduced In which stress remains constant on increasing load Stress reduces on increasing load In which parts are not loaded In which deformation tends to loosen the joint and produces a stress reduced In which stress remains constant on increasing load Stress reduces on increasing load ANSWER DOWNLOAD EXAMIANS APP
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