5. Water flows in a pipe of 4.75 cm inside diameter at a velocity of 1.5 m/s. Given the temperature of the water is 60C

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5 Water Flows In A Pipe Of 4 75 Cm Inside Diameter At A Velocity Of 1 5 M S Given The Temperature Of The Water Is 60c 1 (45.45 KiB) Viewed 23 times

5. Water flows in a pipe of 4.75 cm inside diameter at a velocity of 1.5 m/s. Given the temperature of the water is 60C and 40C at the inlet and the outlet of the pipe respectively, and the inside wall temperature of the pipe is 35C; what is the rate of heat transfer? 5 points 156 W 220 kJ/s 210 W O O O O 315 kJ/s 345 kJ/m 4. A 10-cm pipe carrying 1kg/s saturated steam at 125C at a distance of 50m is being insulated (k = 0.86 W/m-K) so that the allowed drop of steam quality is only 5%. What is the thickness of the insulation if its surface is maintained at 32C? 5 points 1.1 cm 1.4 cm 1.0 cm 1.3 cm 1.2 cm