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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. [Wrong Answer] |
B. | total amount of vapor produced per Kg of feed steam in a multiple effect system is much higher than in a single effect. [Correct Answer] |
C. | boiling point elevation in a single effect system is much higher than that in any effect in a multieffect system. [Wrong Answer] |
D. | heat transfer co-efficient in a single effect is much lower than that in any effect in a multieffect system. [Wrong Answer] |