Engineering Materials Super conduction by metals is observed in the temperature range of Around 0°C Above 100°K Around 100°C Below 10°K Around 0°C Above 100°K Around 100°C Below 10°K ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following statements are true for annealing of steels? Internal stresses are relieved Cooling is done slowly and steadily All of these Steels are heated to 500 to 700°C Internal stresses are relieved Cooling is done slowly and steadily All of these Steels are heated to 500 to 700°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The addition of which of the following improves machining of copper? Tin Sulphur Vanadium Zinc Tin Sulphur Vanadium Zinc ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The ability of a material to resist softening at high temperature is known as Hot hardness Hot tempering Creep Fatigue Hot hardness Hot tempering Creep Fatigue ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Maximum percentage of carbon in austenite is 0.00025 0.0026 0.017 0.008 0.00025 0.0026 0.017 0.008 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Following elements have face-centered cubic structure All of these Gamma iron (910° to 1400°C), Cu, Ag, Au, Al, Ni, Pb, Pt Mg, Zn, Ti, Zr, Br, Cd A iron (below 910°C and between 1400 to 1539°C), W All of these Gamma iron (910° to 1400°C), Cu, Ag, Au, Al, Ni, Pb, Pt Mg, Zn, Ti, Zr, Br, Cd A iron (below 910°C and between 1400 to 1539°C), W ANSWER DOWNLOAD EXAMIANS APP