Engineering Materials Eutectoid reaction occurs at 1147°C 600°C 1493°C 723°C 1147°C 600°C 1493°C 723°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Tungsten when added to steel __________ the critical temperature. Raises None of these Does not effect Lowers Raises None of these Does not effect Lowers ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Hardness of upper bainite (acicular structure) is about RC 80 RC 65 RC 57 RC 48 RC 80 RC 65 RC 57 RC 48 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The addition of which of the following improves machining of copper? Sulphur Vanadium Tin Zinc Sulphur Vanadium Tin Zinc ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Duralumin contains 3.5 to 4.5% copper, 0.4 to 0.7% magnesium, 0.4 to 0.7% manganese and rest aluminium 5 to 6% tin, 2 to 3% copper and rest aluminium 3.5 to 4.5% copper, 1.2 to 1.7% manganese, 1.8 to 2.3% nickel, 0.6% each of silicon, magnesium and iron, and rest aluminium 4 to 4.5% magnesium, 3 to 4% copper and rest aluminium 3.5 to 4.5% copper, 0.4 to 0.7% magnesium, 0.4 to 0.7% manganese and rest aluminium 5 to 6% tin, 2 to 3% copper and rest aluminium 3.5 to 4.5% copper, 1.2 to 1.7% manganese, 1.8 to 2.3% nickel, 0.6% each of silicon, magnesium and iron, and rest aluminium 4 to 4.5% magnesium, 3 to 4% copper and rest aluminium ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following element results in presence of free graphite in C.I.? Sulphur Silicon Manganese Carbon Sulphur Silicon Manganese Carbon ANSWER DOWNLOAD EXAMIANS APP
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