For a Liquid in Laminar Flow Through a Very Long

question 3

Multiple Choice

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 Re^0.8. Pr^0.4
• B)Nu = (?/2) Gz
• C)Nu = (2/?) Gz
• D)Nu = 2Gz^0.5

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