Problem 3A reservoir with water is pressurized as shown. The pipe diameter is 1 in. The head loss in the system isgiven by h₁ = 5V2/(2g), where V is the flow velocity, and g is gravitational acceleration 9.81 m/s². Theheight between the water surface and the pipe outlet is 10 ft. A discharge of 0.10 ft³/s is needed. Whatmust the pressure in the tank be to achieve such a flow rate? Assume a = 1.0 at all locations.Air underpressureWaterPartly open valve

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Answered: Problem 3 A reservoir with water is…

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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Water is pumped from the reservoir with a surface elevation of 200 m across the valley to another reservoir of surface elevation 216 m through a pipe line of 1300 m long and 30 cm diameter if during pumping the pressure is 5.6 kg/cm2 at a point half way along the pipe and at an elevation of 168 m. Compute the discharge and power of the pump taking friction factor as 0.02 neglect minor losses.
Two reservoirs are connected by three pipes. laid in parallel. The pipes diameters are respectively 10cm, 20cm and 30cm and they are of the some length. If discharge through 10cm pipe is 0.1 m3/s, calculate the discharge through the larger pipes. Assume the friction coefficient ‘f’ to be same for the pipes.
90.Water is pumped from the reservoir with a surface elevation of 200 m across the valley to another reservoir of surface elevation 216 m through a pipe line of 1300 m long and 30 cm diameter if during pumping the pressure is 5.6 kg/cm2 at a point half way along the pipe and at an elevation of 168 m. Compute the discharge and power of the pump taking friction factor as 0.02 neglect minor losses.
Water is pumped from reservoir A through 1850 m pipeline 600 mm across a valley to a second reservoir C. the water surface elevation of reservoir A is at elevation 61 m and that of C is at elevation 91m. If during pumping, the pressure at B which is located midway of the 600 mm pipe and at elevation 30 is 100 kPa. Compute the flow rate and the horsepower exerted by the pump if f = 0.02.
For this system, the discharge of water is 0.15 m3 /s, x = 1.0 m, y = 2.0 m, z = 8.0 m, and the pipe diameter is 30 cm. Neglecting head losses, what is the pressure head at point 2 if the jet from the nozzle is 10 cm in diameter? Assume α = 1.0 at all locations.
A pump draws water (SG=0.998) from reservoir A and transport it to reservoir B, with the static Suctionhead 8m and static discharge head of 28 m. The diameter of the suction pipe is 15.24 cm, and the diameter of the discharge pipe is 4 in. The total head loss from A to B is 25% of TDH, and the head loss at the discharge line is 90% of the total headloss. If the pump capacity is 60 Ips, determine the following:a. Pump Break power if the efficiency is 82% b. Reading of the pressure gauge installed at the suction flange of the pump C. Reading of the pressure gauge installed at the discharge flange of the pump
Water at 20°C ( ρ= 999.7 kg/m3 and μ=9.7720 x10-4 kg/m · s) is flowing steadily in a hexagonal cross sectional pipe b=1.5cm, 20-m-long at an average velocity of 1.2 m/s. Determine: (a) Hydraulic diameter. (b) The pressure drop. (c) The head loss. (d) The pumping power requirement to overcome this pressure drop.
Two pipes are connected in parallel between two reservoirs: L1= 2600 m, D1 = 1.3 m, C1 = 90; L2 = 2400 m, D2 = 0.9 m, C2 = 100. For a difference in elevation of 3.8 m, determine the total flow (i.e. total Q) of the water. [Answer in units of m3/s]
The difference in the water surface of the two reservoirs is 9m. The reservoirs are connected by a siphon of length 1000m and 0.2m diameter. The summit of the pipe is 3m above the water surface level of upper reservoir. The length of pipe from upper reservoir to the summit is 200m. Determine the discharge through the siphon and also the pressure at the summit. Take friction factor as 0.02 and neglect all minor losses.
Two reservoirs are connected as shown in the figure. The difference in Elevation of the two reservoirs is 6.88m. Darcy-Weisbach friction factor for all pipes, f=0.0238. Pipe 1: Length=3500m Diameter=70cm Pipe 2 and 3: Length=1750m Diameter=35cm Compute the discharge in the pipe one in L/s. Compute the discharge in the pipe three in L/s.
A 1.20 m-diameter(internal)horizontal steel penstock conveys water at the rate of3.6 m3/s. The thickness of the pipe wall is 25 mm. Thebulk modulus of elasticity of water is 2.2 GPa. The pipehas length of 1000 m and the friction factor is 0.020. Thewater surface elevation in the reservoir is 60 m. If theflow is stopped completely by closing the valve in 2sec, determine the following:(a) the maximum water hammer pressure that candevelop.(b) the maximum pressure at the valve.(c) the elongation of the pipe in mm (△=ForcexL/AE) foran almost instantaneous closure.
A cylindrical tank 1 m diameter and 3 meter high contains 1m of water, 1.2 m of oil (SG=0.8) and air under a pressure of 15 kPa. Find the discharge through a 5 cm diameter orifice 30 cm above the bottom of the tank, if c=0.61

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