Heat Transfer

A dilute aqueous solution is to be concentrated in an evaporator system. High pressure steam is available. Multiple effect evaporator system is employed, because_____.

  • A. Total heat transfer area of all the effects is -less than that in a single effect evaporator system
  • B. Total amount of vapor produced per Kg of feed steam in a multiple effect system is much higher than in a single effect
  • C. Boiling point elevation in a single effect system is much higher than that in any effect in a multieffect system
  • D. Heat transfer co-efficient in a single effect is much lower than that in any effect in a multieffect system
Answer: Option B.
Explanation: 

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