Engineering Materials Machining properties of steel are improved by adding Vanadium, aluminium Silicon, aluminium, titanium Chromium, nickel Sulphur, lead, phosphorous Vanadium, aluminium Silicon, aluminium, titanium Chromium, nickel Sulphur, lead, phosphorous ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Smelting is the process of 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 All of these Removing the impurities like clay, sand etc. from the iron ore by washing with water 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 All of these Removing the impurities like clay, sand etc. from the iron ore by washing with water ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following is not the correct method of increasing fatigue limit? Cold working Shot peening Nitriding of surface Surface decarburisation Cold working Shot peening Nitriding of surface Surface decarburisation ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following material has nearly zero coefficient of expansion? Heat resisting steel High speed steel Stainless steel Invar Heat resisting steel High speed steel Stainless steel Invar ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The alloying element which reduces the formation of iron sulphide in steel is Vanadium Manganese Nickel Chromium Vanadium Manganese Nickel Chromium ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Iron ore is usually found in the form of Oxides Sulphides All of these Carbonates Oxides Sulphides All of these Carbonates ANSWER DOWNLOAD EXAMIANS APP