Engineering Materials Drop forging dies contain carbon of the order of 0.7 to 0.9% 0.6 to 0.7% 0.25 to 0.5% 0.1 to 0.2% 0.7 to 0.9% 0.6 to 0.7% 0.25 to 0.5% 0.1 to 0.2% ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Beryllium bronze contains 97.75% copper and 2.25% beryllium 60% copper and 40% beryllium 80% copper and 20% beryllium 99% copper and 1% beryllium 97.75% copper and 2.25% beryllium 60% copper and 40% beryllium 80% copper and 20% beryllium 99% copper and 1% beryllium ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following impurity in cast iron promotes graphite nodule formation and increases the fluidity of the molten metal? Silicon Sulphur Manganese Phosphorus Silicon Sulphur Manganese Phosphorus ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Eutectoid reaction occurs at 1147°C 1493°C 600°C 723°C 1147°C 1493°C 600°C 723°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Chromium when added to steel _________ the tensile strength. Increases Does not effect None of these Decreases Increases Does not effect None of these Decreases ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Iron-carbon alloys containing carbon ________ 4.3% are known as hyper-eutectic cast irons. More than Less than None of these Equal to More than Less than None of these Equal to ANSWER DOWNLOAD EXAMIANS APP
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