- The water velocity near the river surface is 6 ft/s, and the pipe inlet is placed in th al to the flow direction of water to take advantage of the dynamic pressure. The tan en to the atmosphere and the river is open to the atmosphere. The elevation between the river and the free surface of the tank is 12 ft. For a flow rate of 1.5 ft³/s erall pump efficiency of 70 percent. Determine the required electric power input to the

- The water velocity near the river surface is 6 ft/s, and the pipe inlet is placed in th al to the flow direction of water to take advantage of the dynamic pressure. The tan en to the atmosphere and the river is open to the atmosphere. The elevation between the river and the free surface of the tank is 12 ft. For a flow rate of 1.5 ft³/s erall pump efficiency of 70 percent. Determine the required electric power input to the

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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c) A reservoir of water is connected to a 12 inch diameter pipe 50 feet long and capped at the end. The water surface elevation of the reservoir is 82.5 feet, and the capped end of the pipe is at elevation 38.0 feet. Find the pressure in psf at the capped end of the pipe. (Hint: The water is not flowing so the only pressure that builds up is due to the weight of the other water in the system.) d) In the swimming pool shown below determine the resultant hydrostatic force and locate the center of pressure on surface AB. Width = 10.0 ft. e) In the swimming pool shown below determine the resultant hydrostatic force and locate the center of pressure on surface BC. Width = 10.0 ft. Optional Bonus Question f) In the swimming pool shown below determine the resultant hydrostatic force and locate the center of pressure on surface CD. Width = 10.0 ft. 8.0' A B 12.0' C - 8.0' E D 3.0' 5.0'
10. A fire pump delivers water through a 300 mm main hydrant to which is connected a cotton rubber-lined fire base 100 mm in diameter terminating in a 25 mm diameter nozzle (Cv = 0.98) .Assuming friction lost in 300 mm pipe is 3.1 m, 2.5 m from the 100 mm , and 0.8 m from the reservoir to the pump. A) Compute the added energy produce by the pump if it delivers 20 L/s B) If the jet of the nozzle is thrown vertically, what is the maximum height that the water can reach? C) What is the pressure at the pump? EL 70 m 300 mm EL 5 m 100 mm hydrant EL 20 m 25 mm nozzle) El 22 m
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Water in a 35-cm dia. has 62°F temperature and the discharge is measured as 0.3 m/s and the pressure of 200 Pa. The elevation of the center of the pipe is at 10.5 m a.m.s.l. What is the total energy of the flow? Is the flow laminar or turbulent? Viscosities of Water and Air
A pump draws water from reservoir A and lifts it to reservoir B as showm, The head los from reservoir A to pipe 1 is 3 times its velocity head and the head loss for pipe 2 to reservoir B is 20 times the velocity head. When the discharge is 20 L/s a) Compute the horsepower output of the pump in kW b) Compute the pressure head at pipe 1 c) Compute the pressure head at pipe 2 EL Om pipe 1 150 mm pipe 2 100 mm -EL-20 m EL 240 m
A liquid of specific gravity 1.7 flows in a 60-millimeter horizontal pipe. The total energy at a certain puint in the flow is 75 joules per newton. The elevation of the pipe above a fixed datum is 2.5 meters. If the pressure at the specified point 70 KPa. Determine the following: a. velocity flow b. discharge c. power available at the specified point in watts.
in a pelton wheel, the bucket peripheral speed is 8m/s, the water jet velocity is 20m/s and volumetric flow rate of the jet is 0.1m^3/s. Is the jet deflection angle is 120 degree and the flow is ideal. Determine the power developed ?
Q-Water is flowing a critical depth at a section in a A shaped channel with side lopes of 0.5 H:1V. If the critical depth is 1.6m, estimate the discharge in the channel and the specific energy at the critical depth section.
The Best Efficiency Point is the point in a pump curve that coincides with its maximum flow rate. True False
3- The pump of waste water of concentration (1.5 mg/liter) treatment plant system is powered by a (15 kw) electric motor whose efficiency is (90%). The water flow rate of the pump is (50 L/sec).The diameter of the inlet and outlet pipes are the same, and the elevation difference across the pump is negligible. If the pressure at the inlet and outlet of the pump are measured to be (100 Kpa) and (300 kpa) absolute, respectively. Determine the mechanical efficiency of the pump.
Q-Water is flowing a critical depth at a section in a A shaped channel with side lopes of 0.5 H:1V. If the critical depth is 1.6m, estimate the discharge in the channel and the specific energy at the critical depth section.