Engineering Materials Addition of silicon to aluminium results in One of the best known age and precipitation hardening systems Improvement of casting characteristics Improving machinability Improvement of corrosion resistance One of the best known age and precipitation hardening systems Improvement of casting characteristics Improving machinability Improvement of corrosion resistance ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following statements are true for annealing of steels? 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 All of these Cooling is done slowly and steadily ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Cemented carbide tools are not found to be suitable for cutting Brass Cast iron Aluminium Steel Brass Cast iron Aluminium Steel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials In compression, a prism of brittle material will break By crushing into thousands of pieces By shearing along oblique plane By forming a bulge In direction perpendicular to application of load By crushing into thousands of pieces By shearing along oblique plane By forming a bulge In direction perpendicular to application of load ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which is false statement about properties of aluminium? 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 Wear resistance is very good ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials When the steel is normalized, its Ultimate tensile strength increases Yield point increases All of these Ductility decreases Ultimate tensile strength increases Yield point increases All of these Ductility decreases ANSWER DOWNLOAD EXAMIANS APP
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