Question: Q 3 [ 1 6 marks ] A rectangular tube, 3 0 m m 5 0 m m , carries water at a rate of

Q3[16 marks]
A rectangular tube, 30mm50mm, carries water at a rate of 2kgs. Determine the length required to heat water from 30C to 50C if the wall temperature is maintained at 60C. Use the following properties of water at Nsm,k=0.634WmK.,Cp=4174JkgK).
laminar Flow) turbulent Flow)
Q3[16 marks] A rectangular tube, 30mm50mm, carries water at a rate

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