Engineering Materials Vanadium in high speed steels 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 Provides high hot hardness Promotes decarburisation ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Aluminium bronze contains aluminium and copper in the ratio of 2.1180555555556 40 : 60 2.5277777777778 0.47916666666667 2.1180555555556 40 : 60 2.5277777777778 0.47916666666667 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The ratio of the volume occupied by the atoms to the total volume of the unit cell is called Atomic packing factor Coordination number Space lattice None of these Atomic packing factor Coordination number Space lattice None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following material has maximum ductility? Nickel Aluminium Mild steel Copper Nickel Aluminium Mild steel Copper ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Sulphur in steel Lowers the toughness and transverse ductility Decreases tensile strength and hardness Reduces the grain size Acts as deoxidiser Lowers the toughness and transverse ductility Decreases tensile strength and hardness Reduces the grain size Acts as deoxidiser ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Cupola produces following material Malleable iron Wrought iron Cast iron Pig iron Malleable iron Wrought iron Cast iron Pig iron ANSWER DOWNLOAD EXAMIANS APP
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