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Free Practice Questions GATE CHEM

We fill the gap between Aspiration and Reality of GATE

GATE-CHEM Question

Subject: Heat transfer
Topic: Topic: Convection
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Q)

For turbulent flow in a tube ,the heat transfer coefficient is obtained from the Dittus Boelter correlation [NU=\(0.023\times Re^{0.8}Pr^n\)] .If the tube diameter is halved and the flow rate is doubled, then the heat transfer coefficient will change by a factor of ___

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