Engineering Materials Which is false statement about annealing? Annealing is done to Harden steel slightly Soften material Relieve stresses Improve machining characteristic Harden steel slightly Soften material Relieve stresses Improve machining characteristic ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Pick up wrong statement about wrought iron It contains carbon of the order of 0 to 0.25% It melts at 1535°C It is very soft and ductile It is made by adding suitable percentage of carbon to molten iron and subjecting the product to repeated hammering and rolling It contains carbon of the order of 0 to 0.25% It melts at 1535°C It is very soft and ductile It is made by adding suitable percentage of carbon to molten iron and subjecting the product to repeated hammering and rolling ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Quenching is not necessary when hardening is done by Any one of these Flame hardening Nitriding Case hardening Any one of these Flame hardening Nitriding Case hardening ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Admiralty brass used for steam condenser tubes contains copper and zinc in the following ratio 30 : 70 40 : 60 2.9375 2.1180555555556 30 : 70 40 : 60 2.9375 2.1180555555556 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Smelting is the process of Reducing the ore with carbon in the presence of a flux All of these Expelling moisture, carbon dioxide, sulphur and arsenic from the iron ore by heating in shallow kilns Removing the impurities like clay, sand etc. from the iron ore by washing with water Reducing the ore with carbon in the presence of a flux All of these Expelling moisture, carbon dioxide, sulphur and arsenic from the iron ore by heating in shallow kilns Removing the impurities like clay, sand etc. from the iron ore by washing with water ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials White metal contains Silver and chromium 63 to 67% nickel and 30% copper Alloy of tin, lead and cadmium 88% copper and 10% tin and rest zinc Silver and chromium 63 to 67% nickel and 30% copper Alloy of tin, lead and cadmium 88% copper and 10% tin and rest zinc ANSWER DOWNLOAD EXAMIANS APP
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