Engineering Materials Drop forging dies contain carbon of the order of 0.7 to 0.9% 0.1 to 0.2% 0.6 to 0.7% 0.25 to 0.5% 0.7 to 0.9% 0.1 to 0.2% 0.6 to 0.7% 0.25 to 0.5% ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Isotropic materials are those which have the same Electric and magnetic properties in all directions Thermal properties in all directions Stresses induced in all directions Elastic properties in all directions Electric and magnetic properties in all directions Thermal properties in all directions Stresses induced in all directions Elastic properties in all directions ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The temperature required for full annealing in hypereutectoid steel is 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 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 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Perminvar alloy having constant permeability is an alloy of Iron, zinc and bismuth Nickel, copper and iron Copper, nickel and antimony Nickel, copper and zinc Iron, zinc and bismuth Nickel, copper and iron Copper, nickel and antimony Nickel, copper and zinc ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials For the allotropic forms of iron, the points of arrest are Constant for all metals The points of discontinuity The points where there is no further flow of metal The points where no further change occurs Constant for all metals The points of discontinuity The points where there is no further flow of metal The points where no further change occurs ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Duralumin contains 3.5 to 4.5% copper, 0.4 to 0.7% magnesium, 0.4 to 0.7% manganese and rest aluminium 5 to 6% tin, 2 to 3% copper and rest aluminium 3.5 to 4.5% copper, 1.2 to 1.7% manganese, 1.8 to 2.3% nickel, 0.6% each of silicon, magnesium and iron, and rest aluminium 4 to 4.5% magnesium, 3 to 4% copper and rest aluminium 3.5 to 4.5% copper, 0.4 to 0.7% magnesium, 0.4 to 0.7% manganese and rest aluminium 5 to 6% tin, 2 to 3% copper and rest aluminium 3.5 to 4.5% copper, 1.2 to 1.7% manganese, 1.8 to 2.3% nickel, 0.6% each of silicon, magnesium and iron, and rest aluminium 4 to 4.5% magnesium, 3 to 4% copper and rest aluminium ANSWER DOWNLOAD EXAMIANS APP
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