For a liquid in laminar flow through a very long tube, when the exit fluid temperature approaches the wall temperature, the equation to be used is______________?
(A) Nu = 0.023 Re0.8. Pr0.4
(B) Nu = (π/2) Gz
(C) Nu = (2/π) Gz
(D) Nu = 2Gz0.5
For a liquid in laminar flow through a very long tube, when the exit fluid temperature approaches the wall temperature, the equation to be used is______________?
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