Engineering Materials In the lower part of the blast furnace (zone of fusion), the temperature is 1500°C to 1700°C 1200°C to 1300°C 800°C to 1000°C 400° to 700°C 1500°C to 1700°C 1200°C to 1300°C 800°C to 1000°C 400° to 700°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which is false statement about properties of aluminium? Wear resistance is very good Creep strength limits its use to fairly low temperatures Fatigue strength is not high Modulus of elasticity is fairly low Wear resistance is very good Creep strength limits its use to fairly low temperatures Fatigue strength is not high Modulus of elasticity is fairly low ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following is not the correct method of increasing fatigue limit? Nitriding of surface Surface decarburisation Shot peening Cold working Nitriding of surface Surface decarburisation Shot peening Cold working ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The machinability of aluminium increases when _________ is added to aluminium. Copper Lead and bismuth Silicon Magnesium Copper Lead and bismuth Silicon Magnesium ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following statements are true for annealing of steels? Internal stresses are relieved Steels are heated to 500 to 700°C All of these Cooling is done slowly and steadily Internal stresses are relieved Steels are heated to 500 to 700°C All of these Cooling is done slowly and steadily ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Balls for ball bearings are made of Stainless steel Mild steel Carbon-chrome steel Cast iron Stainless steel Mild steel Carbon-chrome steel Cast iron ANSWER DOWNLOAD EXAMIANS APP
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