Engineering Materials Hematite iron ore contains iron about 0.45 0.7 0.55 0.3 0.45 0.7 0.55 0.3 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Chromium in steel Gives ductility, toughness, tensile strength and anti-corrosion properties Improves cutting ability and reduces hardenability Refines grain size and produces less tendency to carburisation, improves corrosion and heat resistant properties Improves wear resistance, cutting ability and toughness Gives ductility, toughness, tensile strength and anti-corrosion properties Improves cutting ability and reduces hardenability Refines grain size and produces less tendency to carburisation, improves corrosion and heat resistant properties Improves wear resistance, cutting ability and toughness ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The surface hardness of the following order is achieved by nitriding operation 1000 to 1100 VPN 1500 VPN 250 VPN 600 VPN 1000 to 1100 VPN 1500 VPN 250 VPN 600 VPN ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Nodular cast iron is produced by adding ________ to the molten cast iron. Copper Magnesium Chromium Nickel Copper Magnesium Chromium Nickel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following property is desirable in parts subjected to shock and impact loads? Strength Brittleness Stiffness Toughness Strength Brittleness Stiffness Toughness ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Drop forging dies contain carbon of the order of 0.25 to 0.5% 0.6 to 0.7% 0.1 to 0.2% 0.7 to 0.9% 0.25 to 0.5% 0.6 to 0.7% 0.1 to 0.2% 0.7 to 0.9% ANSWER DOWNLOAD EXAMIANS APP