3) The system in the Figure consists of 1200 m of 5 cm cast-iron pipe, two 45° and four 90°flanged long-radius elbows, a fully open flanged globe valve, and a sharp exit into a reservoir.If the elevation at point 1 is 400 m, what gage pressure is required at point 1 to deliver 0.005m³/s of water at 20°C into the reservoir?45°Openglobe45°Elevation500 m=Sharpexit

pressure at point 1 is 3.46MpaExplanation:STEP 1:As an example, let's look at point "2" just at free…

Answered: 3) The system in the Figure consists of…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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4. Hydroelectric plants in the mountains bring water from a reservoir down to a turbine through enclosed tubes. In such plants, the 100 cm diameter intake tube (Point 2) in the dam is 50m below the water surface (Point 1) of the reservoir. The water drops 200 m through the tube before flowing into the turbine through a 50 cm diameter nozzle.
The system consists of 1200 m of 5 cm cast iron pipe, two 45° and four 90° flanged long-radius elbows, a fully open flanged globe valve, and a sharp exit into a reservoir. If the elevation at point 1 is 400 m, what gage pressure is required at point 1 to deliver 0.005 m3/s of water into the reservoir? Use the following: v = 1 x 10-6 m2/s Kentrance = 0.5 Kexit = 1 Kvalve = 6.9 f = 0.0316 γ = 9810 N/m3 Choices: 3.44 Mpa 1.02 MPa 3.48 Mpa 1.00 MPa None of the choices
Using the situation below, how would I determine the net resultant force exerted on the reducer by the water? In this situation, water is flowing horizontally in a pipe that has a diameter of 25cm. This water is flowing at 8 m/s and at 300 kPa gage it enters a 90 degree bend reducing section. This bend reducing section is connected to a vertical pipe that has a diamater of 15cm. Moreover, the inlet of the bend is 45 cm above the exit. Here, fricition and gravity are negligible and the momentum flux correction factor is 1.04.
6 cm-diameter commercial steel pipeline is used to transport water at 10⁰C from a reservoir to a free discharge point. The pipeline consists of 85 m straight pipe, 2 wide open gate valves, 1 wide open angle valve, 4 standart 90⁰ elbows, 1 entrance from a reservoir and 1 free discharge. The elevation of the entrance is 10 m while the elevation of the discharge is 35 m. The inlet pressure is 20 psig and exit pressure is 0 psig. A pump is installed in the line to move the water. Calculate the pump work (J/kg) so the volumetric flow rate will be Q= 0.01 m3/s. (1 psi = lbf/in2).
A hydroelectric power generating system is shown in the figure. Water flows from an upper reservoir to a lower one passing through a turbine at the rate of 286 liters per second. The total length of pipe connecting the two reservoirs is 186 m. The pipe diameter is 346 mm and the Hazen-Williams coefficient is 129. The water surface elevations of reservoirs 1 and 2 are 194 m and 69 m, respectively. Determine the power in kW required by the turbine if it is 63% efficient? Neglect minor losses. Round your answer to 3 decimal places.
Water is flowing horizontally in a pipe that has a diameter of 25cm. The water is flowing at 8 m/s. At 300 kPa gage the water enters a 90 degree bend reducing section, which is connected to a vertical pipe that has a diameter of 15cm. The inlet of the bend is 45 cm above the exit. If friction and gravity are negligible and the momentum flux correction factor is 1.04, how would I determine the net resultant force exerted on the reducer by the water?
Two new cast-iron pipes (ε = 0.26 mm) in series connect two reservoirs. Both pipesare 300 m long and have diameters of 0.6 m and 0.4 m, respectively. There is a valvein the 0.6 m diameter line with K = 10. The elevation of water surface in reservoir A is80 m. The discharge of 10°C water from reservoir A to reservoir B is 0.5 m3/s. Find theelevation of the surface of reservoir B. Assume a sudden contraction at the junctionand the entrance and exit is sharp.
6 cm-diameter commercial steel pipeline is used to transport water at 10⁰C from a reservoir to a free discharge point. The pipeline consists of 85 m straight pipe, 2 wide-open gate valves, 1 wide open angle valve, 4 standard 90⁰ elbows, 1 entrance from a reservoir, and 1 free discharge. The elevation of the entrance is 10 m while the elevation of the discharge is 35 m. The inlet pressure is 20 psig and the exit pressure is 0 psig. A pump is installed in the line to move the water. Calculate the pump work (J/kg) so the volumetric flow rate will be Q= 0.01 m3/s.
Water at 20°C is to be pumped through 2000 ft of pipe fromreservoir 1 to 2 at a rate of 3 ft3/s, as shown in Fig. P6.62.If the pipe is cast iron of diameter 6 in and the pump is75 percent efficient, what horsepower pump is needed?
Write legibly 6. The piping shown in the figure is a parallel-pipe system carrying water at normal temperature. Pressure head at junction X is 76 m, while that at Y is 48 m. If the inflow at junction X is 0.35 cum/s, determine the flow of water at each branch of the loop. Assume C = 120 for all pipes. determine: a. flow in pipe A: ____________m3/s 1b. flow in pipe B: ____________ m3/s c. flow in pipe C: _____________ m3/s
The design of a new dam reveals that a water head of 10 meter and water flow rate of 100 cubic meter per second (m3/s) can be supplied for electricity generation. What kind of turbines would you recommend for the electric power generation?
A Francis radial-flow hydroturbine has the following dimensions, where location 2 is the inlet and location 1 is the outlet: r2 = 6.60 ft, r1 = 4.40 ft, b2 = 2.60 ft, and b1 = 7.20 ft. The runner blade angles are ?2 = 82° and ?1 = 46° at the turbine inlet and outlet, respectively. The runner rotates at n. = 120 rpm. The volume flow rate at design conditions is 4.70 ×106 gpm. Irreversible losses are neglected in this preliminary analysis. Calculate the angle ?2 through which the wicket gates should turn the flow, where ?2 is measured from the radial direction at the runner inlet. Calculate the swirl angle ?1, where ?1 is measured from the radial direction at the runner outlet. Does this turbine have forward or reverse swirl? Predict the power output (hp) and required net head (ft).

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