Thursday, 5 January 2017

Question on iron carbon diagram

Pearlite phase in an iron-carbide phase diagram is
  (a) Eutectic phase
  (b) Hypoeutectic mixture
  (c) Eutectoidal mixture

  (d) Hypereutectic phase
Ans-c
An iron-carbon binary alloy has 0.5% C by weight. What is this alloy called?
  (a)  Eutectoid alloy
  (b)  Eutectic alloy 
  (c)  Hypo-eutectoid alloy
  (d)  Hypereutectoid alloy
Ans-c

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