Engineering Materials Quenching is not necessary when hardening is done by Flame hardening Any one of these Case hardening Nitriding Flame hardening Any one of these Case hardening Nitriding 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 Reducing the ore with carbon in the presence of a flux Expelling moisture, carbon dioxide, sulphur and arsenic from the iron ore by heating in shallow kilns All of these 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 Expelling moisture, carbon dioxide, sulphur and arsenic from the iron ore by heating in shallow kilns All of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Ferromagnetic alpha iron exists in temperature range of 910 to 1440°C 1400 to 1539°C Below 723°C 770 to 910°C 910 to 1440°C 1400 to 1539°C Below 723°C 770 to 910°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Hematite iron ore contains iron about 0.45 0.55 0.7 0.3 0.45 0.55 0.7 0.3 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Nickel when added to copper improves Hardness Strength and ductility Hardness and strength Machinability Hardness Strength and ductility Hardness and strength Machinability ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials A cold chisel is made of High carbon H.S.S. Cast iron Mild steel High carbon H.S.S. Cast iron Mild steel ANSWER DOWNLOAD EXAMIANS APP
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