Engineering Materials Vanadium in high speed steels Forms very hard carbides and thus increases wear resistance Promotes retention of austenite Promotes decarburisation Provides high hot hardness Forms very hard carbides and thus increases wear resistance Promotes retention of austenite Promotes decarburisation Provides high hot hardness ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Aluminium bronze contains aluminium and copper in the ratio of 40 : 60 0.47916666666667 2.5277777777778 2.1180555555556 40 : 60 0.47916666666667 2.5277777777778 2.1180555555556 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The bond formed by transferring electrons from one atom to another is called Ionic bond Covalent bond Metallic bond None of these Ionic bond Covalent bond Metallic bond None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following display properties similar to that of steel? Whiteheart cast iron Blackheart cast iron None of these Both (A) and (B) Whiteheart cast iron Blackheart cast iron None of these Both (A) and (B) 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 Elastic properties in all directions Stresses induced in all directions Electric and magnetic properties in all directions Thermal properties in all directions Elastic properties in all directions Stresses induced in all directions ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Quenching is not necessary when hardening is done by Case hardening Flame hardening Any one of these Nitriding Case hardening Flame hardening Any one of these Nitriding ANSWER DOWNLOAD EXAMIANS APP
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