GATE CH · 2021 · CH
Question 44: Heat Transfer
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Question 44
CHNAT2 marksNeeds review
A double-effect evaporator is used to concentrate a solution. Steam is sent to the first effect at 110 °C and the boiling point of the solution in the second effect is 63.3 °C. The overall heat transfer coefficient in the first effect and second effect are 200 W m
K
and 1500 W m
K
, respectively. The heat required to raise the temperature of the feed to the boiling point can be neglected. The heat flux in the two evaporators can be assumed to be equal.The temperature at which the solution boils in the first effect is ________ °C (round off to nearest integer).
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2021CH
GATE CH 2021 · Paper 1
Chemical Engineering · Original paper archive
- Section
- Chemical Engineering
- Question type
- Numerical answer (NAT)
- Marks
- 2 marks
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