Engineering Materials Drop forging dies contain carbon of the order of 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% 0.7 to 0.9% ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials When elements like nickel, chromium, copper and molybdenum are added to the molten cast iron, it produces Alloy cast iron Malleable cast iron White cast iron Nodular cast iron Alloy cast iron Malleable cast iron White cast iron Nodular cast iron ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Shock resisting steels should have Low hardness Low tensile strength Toughness Low wear resistance Low hardness Low tensile strength Toughness Low wear resistance ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Delta iron occurs at temperature of Above melting point Between 910°C and 1400°C Room temperature Between 1400°C and 1539°C Above melting point Between 910°C and 1400°C Room temperature Between 1400°C and 1539°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Bell metal contains 85 - 92% copper and rest tin with little lead and nickel 70 - 75% copper and rest tin 90% copper and 10% tin 70% copper and 30% zinc 85 - 92% copper and rest tin with little lead and nickel 70 - 75% copper and rest tin 90% copper and 10% tin 70% copper and 30% zinc ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Quenching is not necessary when hardening is done by Any one of these Nitriding Case hardening Flame hardening Any one of these Nitriding Case hardening Flame hardening ANSWER DOWNLOAD EXAMIANS APP