Engineering Materials Chromium when added to steel _________ the tensile strength. Does not effect Increases Decreases None of these Does not effect Increases Decreases None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Smelting is the process of Removing the impurities like clay, sand etc. from the iron ore by washing with water All of these Expelling moisture, carbon dioxide, sulphur and arsenic from the iron ore by heating in shallow kilns Reducing the ore with carbon in the presence of a flux Removing the impurities like clay, sand etc. from the iron ore by washing with water All of these Expelling moisture, carbon dioxide, sulphur and arsenic from the iron ore by heating in shallow kilns Reducing the ore with carbon in the presence of a flux ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials An example of amorphous material is Silver Glass Zinc Lead Silver Glass Zinc Lead ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Bronze contains 70% copper and 30% zinc 70 - 75% copper and rest tin 90% copper and 10% tin 85 - 92% copper and rest tin with little lead and nickel 70% copper and 30% zinc 70 - 75% copper and rest tin 90% copper and 10% tin 85 - 92% copper and rest tin with little lead and nickel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Iron-carbon alloys containing carbon ________ 4.3% are known as hyper-eutectic cast irons. Equal to More than None of these Less than Equal to More than None of these Less than ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The temperature at which ferromagnetic alpha iron transforms to paramagnetic alpha iron is 910°C 770°C Below recrystallization temperature 1050°C 910°C 770°C Below recrystallization temperature 1050°C ANSWER DOWNLOAD EXAMIANS APP