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 multi-effect system
(D) Heat transfer co-efficient in a single effect is much lower than that in any effect in a multieffect system
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