Engineering Materials Combined carbon in iron makes the metal Soft and gives coarse grained crystalline structure Hard and gives a fine grained crystalline structure Hard and gives a coarse grained crystalline structure Soft and gives a fine grained crystalline structure Soft and gives coarse grained crystalline structure Hard and gives a fine grained crystalline structure Hard and gives a coarse grained crystalline structure Soft and gives a fine grained crystalline structure ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Hematite iron ore contains iron about 0.7 0.45 0.3 0.55 0.7 0.45 0.3 0.55 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The property of a material due to which it breaks with little permanent distortion, is called Ductility Plasticity Brittleness Malleability Ductility Plasticity Brittleness Malleability ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The toughness of a material __________ when it is heated. Remain same Decreases Increases None of these Remain same Decreases Increases None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The lower critical point for all steels is 723°C 600°C 700°C 913°C 723°C 600°C 700°C 913°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The alloying element which increases residual magnetism and coercive magnetic force in steel for magnets is Chromium Nickel Vanadium Cobalt Chromium Nickel Vanadium Cobalt ANSWER DOWNLOAD EXAMIANS APP
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