Water is flowing in a tube "D = 3 cm, L= 5 m" and is to be heated from 15°C to 47°C by applying a uniform heat flux on the outer surface of the tube by electric resistance heater. If the Power rating is 16kW and the convective heat transfer coefficient is 757 W/m².K, what is the surface temperature at the exit "°C"? 660 3 Properties : p = 992.1 kg/m , C = 4179 J/kg.°C, k =,0.631 W/m°C, Pr=4.32, v = 0.658E-6 m /s %3D Select one: А. 84.68 B. 99.03 C. 91.85

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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Water is flowing in a tube “D = 3 cm, L=
5 m" and is to be heated from 15°C to
47°C by applying a uniform heat flux on
the outer surface of the tube by electric
resistance heater. If the Power rating
is 16kW and the convective heat
transfer coefficient is 757 W/m.K,
what is the surface temperature at
the exit "°C"?
660
3
Properties : p = 992.1 kg/m , C¸ = 4179
J/kg.°C, k =,0.631 W/m°C, Pr ="4.32, v =
0.658E-6 m /s
Select one:
А. 84.68
B. 99.03
C. 91.85
D. 105.62
E. 78.53
Transcribed Image Text:Water is flowing in a tube “D = 3 cm, L= 5 m" and is to be heated from 15°C to 47°C by applying a uniform heat flux on the outer surface of the tube by electric resistance heater. If the Power rating is 16kW and the convective heat transfer coefficient is 757 W/m.K, what is the surface temperature at the exit "°C"? 660 3 Properties : p = 992.1 kg/m , C¸ = 4179 J/kg.°C, k =,0.631 W/m°C, Pr ="4.32, v = 0.658E-6 m /s Select one: А. 84.68 B. 99.03 C. 91.85 D. 105.62 E. 78.53
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