Engineering Materials Free carbon in iron makes the metal Hard and gives a fine grained crystalline structure Hard and gives a coarse grained crystalline structure Soft and gives a coarse grained crystalline structure Soft and gives a fine grained crystalline structure Hard and gives a fine grained crystalline structure Hard and gives a coarse grained crystalline structure Soft and gives a coarse grained crystalline structure Soft and gives a fine grained crystalline structure ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials For the allotropic forms of iron, the points of arrest are The points where no further change occurs The points of discontinuity Constant for all metals The points where there is no further flow of metal The points where no further change occurs The points of discontinuity Constant for all metals The points where there is no further flow of metal ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following constituents of steels is softest and least strong? Pearlite Ferrite Austenite Cementite Pearlite Ferrite Austenite Cementite ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The property of a material essential for spring materials is Resilience Plasticity Stiffness Ductility Resilience Plasticity Stiffness Ductility ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials For a steel containing 0.8% carbon There are two critical points There is no critical point There is only one critical point There can be any number of critical points There are two critical points There is no critical point There is only one critical point There can be any number of critical points ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The steel widely used for motor car crankshafts is Silicon steel Nickel-chrome steel Nickel steel Chrome steel Silicon steel Nickel-chrome steel Nickel steel Chrome steel ANSWER DOWNLOAD EXAMIANS APP