Engineering Materials The ability of a material to resist softening at high temperature is known as Hot hardness Creep Fatigue Hot tempering Hot hardness Creep Fatigue Hot tempering ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Vanadium in high speed steels Provides high hot hardness Promotes decarburisation Forms very hard carbides and thus increases wear resistance Promotes retention of austenite Provides high hot hardness Promotes decarburisation Forms very hard carbides and thus increases wear resistance Promotes retention of austenite ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The temperature required for full annealing in hypereutectoid steel is 30° C to 50° C below lower critical temperature 30° C to 50° C above lower critical temperature 30° C to 50° C below upper critical temperature 30° C to 50° C above upper critical temperature 30° C to 50° C below lower critical temperature 30° C to 50° C above lower critical temperature 30° C to 50° C below upper critical temperature 30° C to 50° C above upper critical temperature ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Nodular iron has Low melting point All of these High machinability High tensile strength Low melting point All of these High machinability High tensile strength ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The alloy used for making electrical resistances and heating elements is Nichrome Invar Magnin Elinvar Nichrome Invar Magnin Elinvar ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Eutectoid steel contains following percentage of carbon 0.003 0.0063 0.008 0.0002 0.003 0.0063 0.008 0.0002 ANSWER DOWNLOAD EXAMIANS APP
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