Engineering Materials Smelting is the process of All of these Expelling moisture, carbon dioxide, sulphur and arsenic from the iron ore by heating in shallow kilns Removing the impurities like clay, sand etc. from the iron ore by washing with water Reducing the ore with carbon in the presence of a flux All of these Expelling moisture, carbon dioxide, sulphur and arsenic from the iron ore by heating in shallow kilns Removing the impurities like clay, sand etc. from the iron ore by washing with water Reducing the ore with carbon in the presence of a flux ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The property of a material which enables it to retain the deformation permanently, is called Plasticity Ductility Malleability Brittleness Plasticity Ductility Malleability Brittleness ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Monel metal contains Alloy of tin, lead and cadmium Malleable iron and zinc 88% copper and 10% tin and rest zinc 63 to 67% nickel and 30% copper Alloy of tin, lead and cadmium Malleable iron and zinc 88% copper and 10% tin and rest zinc 63 to 67% nickel and 30% copper ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials High carbon steel carries carbon percentage 0.8 to 1.5% 0.6 to 0.8% 0.3 to 0.6% 0.1 to 0.3% 0.8 to 1.5% 0.6 to 0.8% 0.3 to 0.6% 0.1 to 0.3% ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which is false statement about tempering? Tempering is done to Improve ductility Release stresses Improve toughness Improve machinability Improve ductility Release stresses Improve toughness Improve machinability ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The surface hardness of the following order is achieved by nitriding operation 1000 to 1100 VPN 250 VPN 1500 VPN 600 VPN 1000 to 1100 VPN 250 VPN 1500 VPN 600 VPN ANSWER DOWNLOAD EXAMIANS APP
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