Engineering Materials Corrosion resistance of steel is increased by addition of Tungsten, molybdenum, vanadium, chromium Sulphur, phosphorus, lead Chromium and nickel Vanadium, aluminium Tungsten, molybdenum, vanadium, chromium Sulphur, phosphorus, lead Chromium and nickel Vanadium, aluminium ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The portion of the blast furnace below its widest cross-section is called Hearth Stack Throat Bosh Hearth Stack Throat Bosh ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Tungsten in high speed steel provides Hot hardness Sharp cutting edge Toughness Wear resistance Hot hardness Sharp cutting edge Toughness Wear resistance ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Nickel in steel Improves cutting ability and reduces hardenability Gives ductility, toughness, tensile strength and anti-corrosion properties Refines grain size and produces less tendency to carburisation, improves corrosion and heat resistant properties Improves wear resistance, cutting ability and toughness Improves cutting ability and reduces hardenability Gives ductility, toughness, tensile strength and anti-corrosion properties 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 Which of the following alloys does not have copper as one of the constituents? Delta metal Constantan Monel metal Nichrome Delta metal Constantan Monel metal Nichrome ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials When low carbon steel is heated up to lower critical temperature The average grain size is a minimum The grain size increases very rapidly The grain size first increases and then decreases very rapidly There is no change in grain size The average grain size is a minimum The grain size increases very rapidly The grain size first increases and then decreases very rapidly There is no change in grain size ANSWER DOWNLOAD EXAMIANS APP
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