Water travels along a 3m long pipe of internal diameter 20mm at a rate of 30 kg per minute. The temperature at the entra

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Water travels along a 3m long pipe of internal diameter 20mm at
a rate of 30 kg per minute. The temperature at the entrance and
exit of the pipe is 50°C and 30°C respectively.
Determine: a) The rate of heat transfer from the water to the
walls of the tube [3 marks]
b) The Reynolds Number [3 marks]
c) The Prandtl Number [3 marks]
d) The Nusselt Number [4 marks]
e) The Convective Heat Transfer Coefficient between the water
and the wall of the tube [3 marks]
f) The temperature of the wall of the pipe at the exit [5
marks]
g) Comment on the flow regime in the pipe with regard to its
suitability for heat transfer [4 marks]