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GATE ME 2014 Set 4 — Question 55

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NAT+2 / -0MediumFlat Plate & Pipe CorrelationsConvectionHeat Transfer

Heat Transfer → Convection → Flat Plate & Pipe Correlations

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Question

Water flows through a tube of diameter 25 mm25\text{ mm} at an average velocity of 1.0 m/s1.0\text{ m/s}. The properties of water are ρ=1000 kg/m3\rho = 1000\text{ kg/m}^3, μ=7.25×10−4 N.s/m2\mu = 7.25 \times 10^{-4}\text{ N.s/m}^2, k=0.625 W/m.Kk = 0.625\text{ W/m.K}, Pr=4.85Pr = 4.85. Using Nu=0.023Re0.8Pr0.4Nu = 0.023 Re^{0.8} Pr^{0.4}, the convective heat transfer coefficient (in W/m2.K\text{W/m}^2\text{.K}) is _______
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