Engineering Materials Admiralty brass used for steam condenser tubes contains copper and zinc in the following ratio 40 : 60 2.9375 30 : 70 2.1180555555556 40 : 60 2.9375 30 : 70 2.1180555555556 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Tensile strength of steel can be safely increased by Adding carbon up to 0.83% Adding small quantities of copper Adding carbon up to 2.8% Adding carbon up to 6.3% Adding carbon up to 0.83% Adding small quantities of copper Adding carbon up to 2.8% Adding carbon up to 6.3% ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Shock resistance of steel is increased by adding Nickel and chromium Sulphur, lead and phosphorus Nickel Chromium Nickel and chromium Sulphur, lead and phosphorus Nickel Chromium 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 Steels are heated to 500 to 700°C All of these Internal stresses are relieved Cooling is done slowly and steadily Steels are heated to 500 to 700°C All of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Foundry crucible is made of Mild steel Graphite Lead German silver Mild steel Graphite Lead German silver ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials In the lower part of the blast furnace (zone of fusion), the temperature is 400° to 700°C 1200°C to 1300°C 1500°C to 1700°C 800°C to 1000°C 400° to 700°C 1200°C to 1300°C 1500°C to 1700°C 800°C to 1000°C ANSWER DOWNLOAD EXAMIANS APP
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