GATE CH 2021 CH Q8: Heat Transfer

For a shell-and-tube heat exchanger, the clean overall heat transfer coefficient is calculated as 250 W m

for a specific process condition. It is expected that the heat exchanger may be fouled during the operation, and a fouling resistance of 0.01 m

K W

is prescribed. The dirt overall heat transfer coefficient is _____ W m

Your answerChoose one option.

100

150

200

250

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