- Heat Transfer - Section 1
- Heat Transfer - Section 2
- Heat Transfer - Section 3
- Heat Transfer - Section 4
- Heat Transfer - Section 5
- Heat Transfer - Section 6
- Heat Transfer - Section 7
- Heat Transfer - Section 8
- Heat Transfer - Section 9
- Heat Transfer - Section 10
- Heat Transfer - Section 11


Heat Transfer - Engineering
Q1: The advantage of backward feed multiple effect evaporators over forward feed units is thatA heat sensitive material can be handled.
B there is no additional cost of pumping.
C most concentrated liquid is at highest temperature.
D equal heat transfer co-efficients exist in various effects.
ANS:C - most concentrated liquid is at highest temperature. In a multiple effect evaporator system, several evaporator stages are used to progressively concentrate a liquid by evaporating its solvent. In a backward feed configuration, the concentrated liquid from each stage is fed back to the previous stage, but at a higher temperature. Here's how it works:
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