Water running in a cylindrical pipe of inner diameter 7cm, is collected in a container at the rate of 192.5 litre per minute. Find the rate of flow of water in the pipe in km/h.
Asked by Akriti | 14th Mar, 2013, 06:47: PM
Expert Answer:
Flow rate = Volumetric flow rate/Area Area = pi * r2 = (22/7)*7/2*7/2= 38.5 cm2 Volumetric flow rate = 192.5 l/min. Since 1l = 1dm3 = 1000 cm3 So, Volumetric flow rate = 192.5 *1000 cm3/min So, flow rate = 192.5 *1000 cm3/min / 38.5 cm2 flow rate = = 5000 cm/min = 5000*0.00001 km/(1/60 h) = 3 km/h
Aswered by | 14th Mar, 2013, 09:52: PM
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