If a single tube pass heat exchanger is converted to two pass, then for the same flow rate, the pressure drop per unit length in tube side will ________________?
(A) Increase by 1.8 times
(B) Decrease by 22
(C) Increase by 216
(D) Remain unchanged
If a single tube pass heat exchanger is converted to two pass, then for the same flow rate, the pressure drop per unit length in tube side will ________________?
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