Water (5.2 L'min) is flowing in a tube "D-3 cm, L-5 m" and is to be heated from 15°C to 59.9°C by applying a uniform heat flux on the outer surface of the tube by electrie resistance heater. What is the power rating of the resistance heater (kW)? If turbulent flow use Dituss-Boetler relation Nu- 0.023 Re Pr. Properties : p- 992.1 kg/m, C,4179 J/kg. "C, k-0.631 W/wm°C, Pr 4.32, v - 0.658E-6 Select one: O A 20.56 O B. 17.63 O G 10.17 O D. 14.58 O E. 10.13

Water (5.2 L'min) is flowing in a tube "D-3 cm, L-5 m" and is to be heated from 15°C to 59.9°C by applying a uniform heat flux on the outer surface of the tube by electrie resistance heater. What is the power rating of the resistance heater (kW)? If turbulent flow use Dituss-Boetler relation Nu- 0.023 Re Pr. Properties : p- 992.1 kg/m, C,4179 J/kg. "C, k-0.631 W/wm°C, Pr 4.32, v - 0.658E-6 Select one: O A 20.56 O B. 17.63 O G 10.17 O D. 14.58 O E. 10.13

Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)

8th Edition

ISBN:9781305387102

Author:Kreith, Frank; Manglik, Raj M.

Publisher:Kreith, Frank; Manglik, Raj M.

Chapter7: Forced Convection Inside Tubes And Ducts

Section: Chapter Questions

Problem 7.4P

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