Engineering Materials A material is said to be allotropic, if it has Any one of the above Fixed structure at all temperatures Atoms distributed in random pattern Different crystal structures at different temperatures Any one of the above Fixed structure at all temperatures Atoms distributed in random pattern Different crystal structures at different temperatures ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Corundum contains more than 95% MgO SiO2 Al2O3 Steel MgO SiO2 Al2O3 Steel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following is the binding material in cemented carbides? Iron Nickel Vanadium Cobalt Iron Nickel Vanadium Cobalt ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials 1841 high speed steel contains Vanadium 4%, chromium 18% and tungsten 1% None of these Vanadium 1%, chromium 4% and tungsten 18% Vanadium 18%, chromium 1% and tungsten 4% Vanadium 4%, chromium 18% and tungsten 1% None of these Vanadium 1%, chromium 4% and tungsten 18% Vanadium 18%, chromium 1% and tungsten 4% ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The machinability of steel is increased by Sulphur, graphite and aluminium Silicon and sulphur Phosphorous, lead and sulphur Phosphorous and aluminium Sulphur, graphite and aluminium Silicon and sulphur Phosphorous, lead and sulphur Phosphorous and aluminium ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials In spheroidising process, the steel is None of these 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 Heated up to the lower critical temperature and then cooled in still air None of these 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 Heated up to the lower critical temperature and then cooled in still air ANSWER DOWNLOAD EXAMIANS APP
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