Engineering Materials The bond formed by transferring electrons from one atom to another is called None of these Metallic bond Ionic bond Covalent bond None of these Metallic bond Ionic bond Covalent bond ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Tungsten in steel 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 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 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials In spheroidising process, the steel is Heated up to the lower critical temperature and then cooled in still air Heated below the lower critical temperature and then cooled slowly Heated slightly above the lower critical temperature and then cooled slowly to a temperature of 600°C None of these Heated up to the lower critical temperature and then cooled in still air Heated below the lower critical temperature and then cooled slowly Heated slightly above the lower critical temperature and then cooled slowly to a temperature of 600°C None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Free cutting steels Require minimum cutting force Is used where rapid machining is the prime requirement Contain carbon in free from Can be cut freely Require minimum cutting force Is used where rapid machining is the prime requirement Contain carbon in free from Can be cut freely ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials German silver is an alloy of Silver and some impurities Nickel and copper Refined silver Nickel, Copper and zinc Silver and some impurities Nickel and copper Refined silver Nickel, Copper and zinc ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Machining properties of steel are improved by adding Vanadium, aluminium Silicon, aluminium, titanium Sulphur, lead, phosphorous Chromium, nickel Vanadium, aluminium Silicon, aluminium, titanium Sulphur, lead, phosphorous Chromium, nickel ANSWER DOWNLOAD EXAMIANS APP