Engineering Materials Thermoplastic materials are those materials which Are formed into shape under heat and pressure and results in a permanently hard product Are flexible and can withstand considerable wear under suitable conditions 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 formed into shape under heat and pressure and results in a permanently hard product Are flexible and can withstand considerable wear under suitable conditions 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 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The stiffness is the ability of a material to resist Externally applied forces with breakdown or yielding None of these Deformation under stress Fracture due to high impact loads Externally applied forces with breakdown or yielding None of these Deformation under stress Fracture due to high impact loads ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following statements are true for annealing of steels? All of these Internal stresses are relieved Steels are heated to 500 to 700°C Cooling is done slowly and steadily All of these Internal stresses are relieved Steels are heated to 500 to 700°C Cooling is done slowly and steadily ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Tensile strength of steel can be safely increased by Adding carbon up to 2.8% Adding small quantities of copper Adding carbon up to 0.83% Adding carbon up to 6.3% Adding carbon up to 2.8% Adding small quantities of copper Adding carbon up to 0.83% Adding carbon up to 6.3% ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Induction hardening is the process of Hardening surface of work-piece to obtain hard and wear resistant surface Increasing hardness throughout Heating and cooling rapidly Inducing hardness by continuous process Hardening surface of work-piece to obtain hard and wear resistant surface Increasing hardness throughout Heating and cooling rapidly Inducing hardness by continuous process ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Iron is Ferromagnetic Paramagnetic Dielectric Ferroelectric Ferromagnetic Paramagnetic Dielectric Ferroelectric ANSWER DOWNLOAD EXAMIANS APP
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