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
Engineering Materials When the steel is normalized, its Yield point increases Ultimate tensile strength increases All of these Ductility decreases Yield point increases Ultimate tensile strength increases All of these Ductility decreases ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials An eutectoid steel consists of Pearlite and cementite Pearlite and ferrite Wholly austenite Wholly pearlite Pearlite and cementite Pearlite and ferrite Wholly austenite Wholly pearlite ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which is false statement about properties of aluminium? Wear resistance is very good Fatigue strength is not high Modulus of elasticity is fairly low Creep strength limits its use to fairly low temperatures Wear resistance is very good Fatigue strength is not high Modulus of elasticity is fairly low Creep strength limits its use to fairly low temperatures ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The ultimate tensile strength and yield strength of most of the metals, when temperature falls from 0 to 100°C will Remain same First increase and then decrease Increase Decrease Remain same First increase and then decrease Increase Decrease ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials According to Indian standard specifications, plain carbon steel designated by 40 C8 means that the carbon content is 0.6 to 0.8% 0.4 to 0.6% 0.35 to 0.45% 0.0004 0.6 to 0.8% 0.4 to 0.6% 0.35 to 0.45% 0.0004 ANSWER DOWNLOAD EXAMIANS APP
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