Engineering Materials In high speed steels, manganese is used to tougher the metal and to increase its Critical temperature Yield point Hardness Melting point Critical temperature Yield point Hardness Melting point ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Vanadium in high speed steels Provides high hot hardness Promotes retention of austenite Forms very hard carbides and thus increases wear resistance Promotes decarburisation Provides high hot hardness Promotes retention of austenite Forms very hard carbides and thus increases wear resistance Promotes decarburisation ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The following element can't impart high strength at elevated temperature Manganese Nickel Silicon Magnesium Manganese Nickel Silicon Magnesium ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Isotropic materials are those which have the same Electric and magnetic properties in all directions Elastic properties in all directions Stresses induced in all directions Thermal properties in all directions Electric and magnetic properties in all directions Elastic properties in all directions Stresses induced in all directions Thermal properties in all directions ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Muntz metal contains copper and zinc in the ratio of 2.5277777777778 0.88888888888889 2.1180555555556 40 : 60 2.5277777777778 0.88888888888889 2.1180555555556 40 : 60 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Chilled cast iron has Graphite as its basic constituent of composition No graphite A very high percentage of graphite A low percentage of graphite Graphite as its basic constituent of composition No graphite A very high percentage of graphite A low percentage of graphite ANSWER DOWNLOAD EXAMIANS APP