Question: A device designed to allow cleaning of walls and windows on the second floor of homes is similar to the system shown in Fig. 11.20.

A device designed to allow cleaning of walls and windows on the second floor of homes is similar to the system shown in Fig. 11.20. Determine the velocity of flow from the nozzle if the pressure at the bottom is (a) 20 psig and (b) 80 psig. The nozzle has a loss coefficient K of 0.15 based on the outlet velocity head. The tube is smooth drawn aluminum and has an ID of 0.50 in. The 90° bend has a radius of 6.0 in. The total length of straight tube is 20.0 ft. The fluid is water at 100°F.

0.25-in diameter 0.50-in inside diameter 18 ft Flow

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APPLIED FLUID MECHANICS Objective Volume flow rate Problem 1113a Figure 1120 System Data Pressure at point 1 Pressure at point 2 Energy loss h Fluid Properties Turpentine at 77F Specific weight 6200 l... View full answer

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