Engineering Materials Bronze is an alloy of Copper and zinc None of these Copper, tin and zinc Copper and tin Copper and zinc None of these Copper, tin and zinc Copper and tin ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Free carbon in iron makes the metal Hard and gives a coarse grained crystalline structure Soft and gives a coarse grained crystalline structure Hard and gives a fine grained crystalline structure Soft and gives a fine grained crystalline structure Hard and gives a coarse grained crystalline structure Soft and gives a coarse grained crystalline structure Hard and gives a fine grained crystalline structure Soft and gives a fine grained crystalline structure ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Induction hardening is basically a Core hardening process None of these Carburising process Surface hardening process Core hardening process None of these Carburising process Surface hardening process ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials When filing or machining cast iron makes our hands black, then it shows that ________ is present in cast iron. None of these Cementite Free graphite Both A and B None of these Cementite Free graphite Both A and B ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The percentage of carbon in grey iron castings usually varies between 0.5 to 1% 0.012 5 to 7% 2.5 to 4.5% 0.5 to 1% 0.012 5 to 7% 2.5 to 4.5% ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The alloying element which increases residual magnetism and coercive magnetic force in steel for magnets is Cobalt Vanadium Chromium Nickel Cobalt Vanadium Chromium Nickel ANSWER DOWNLOAD EXAMIANS APP
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