Engineering Materials The hardness of steel increases if it contains Austenite Martensite Pearlite Cementite Austenite Martensite Pearlite Cementite ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The lower critical temperature Increases as the carbon content in steel increases Is same for all steels Depends upon the rate of heating Decreases as the carbon content in steel increases Increases as the carbon content in steel increases Is same for all steels Depends upon the rate of heating Decreases as the carbon content in steel increases ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Following elements have face-centered cubic structure A iron (below 910°C and between 1400 to 1539°C), W Gamma iron (910° to 1400°C), Cu, Ag, Au, Al, Ni, Pb, Pt All of these Mg, Zn, Ti, Zr, Br, Cd A iron (below 910°C and between 1400 to 1539°C), W Gamma iron (910° to 1400°C), Cu, Ag, Au, Al, Ni, Pb, Pt All of these Mg, Zn, Ti, Zr, Br, Cd ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The ability of a material to absorb energy in the plastic range is called Toughness Resilience Fatigue strength Creep Toughness Resilience Fatigue strength Creep ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Slow plastic deformation of metals under a constant stress is known as Fatigue Creep Plastic deformation Endurance Fatigue Creep Plastic deformation Endurance ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Bell metal contains 90% copper and 10% tin 70% copper and 30% zinc 85 - 92% copper and rest tin with little lead and nickel 70 - 75% copper and rest tin 90% copper and 10% tin 70% copper and 30% zinc 85 - 92% copper and rest tin with little lead and nickel 70 - 75% copper and rest tin ANSWER DOWNLOAD EXAMIANS APP