![Two reservoirs, the water levels in which are at elevations 180 m and 150 m respectively, are connected by a pipe 3000 m long, 600 mm diameter and friction factor 0.025. The elevation of the ground along the line of the pipeline is given in the table below. Distance (m) o Elevation (m) 17!5 150 165 300 190 1800 140 3000 147 Assuming a rounded inlet and an abrupt outlet calculate the quantity of flow. Find the maximum depth of the pipeline below ground if the absolute pressure therein is not to fall below 3 m of water Draw to scale on graph paper, the ground level, pipeline level and energy and hydraulic grade lines for a suitable pipeline. Take atmospheric pressure to be 10 m of water [10 marks]](http://img.homeworklib.com/questions/2ecf17c0-c368-11ea-ad06-7f6c17aa1101.png?x-oss-process=image/resize,w_560)
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Two reservoirs, the water levels in which are at elevations 180 m and 150 m respectively,...
Problem 3 A pipeline delivers water from Reservoir 1 to Reservoir 2 as shown in the following figure. The water levels at Reservoirs 1 and 2 are 50 ft and 20 ft, respectively. A globe valve is in...
Problem 3 A pipeline delivers water from Reservoir 1 to Reservoir 2 as shown in the following figure. The water levels at Reservoirs 1 and 2 are 50 ft and 20 ft, respectively. A globe valve is installed in the pipeline with a minor head loss coefficient k 10. The pipe from Reservoir 1 to the globe valve is 1000 ft long and 6 inches in diameter. The pipe from the globe valve to Reservoir 2 is also 1000 ft...
(b) Water flows under gravity through a pipeline connecting two reservoirs as shown in Figure 2....
(b) Water flows under gravity through a pipeline connecting two reservoirs as shown in Figure 2. The pipeline consists of 2 km of pipe diameter 400 mm and sand roughness equivalent 0.03 mm followed by an abrupt change to 3 km of 500 mm diameter pipe of sand roughness equivalent 0.08 mm. The pipe discharges as a free jet into a reservoir. The difference in elevation between the water surface of the upstream reservoir and the discharging jet is 21...
Q2 Water flows at a rate of 0.08 m''min through a flanged tap with a partially closed gate valve ...
Q2 Water flows at a rate of 0.08 m''min through a flanged tap with a partially closed gate valve spigot (Fig. Q2). The inner diameter of the pipe at the inlet and outlet is 2 cm and 1.5 cm respectively, and the gauge pressure of the water at inlet is measured to be 90 kPa. The pressure at outlet from the tap is atmospheric. The total mass of the tap assembly plus the water within it is 5.8 kg. (a)...
Question 1 50 marks Part A (30 marks) In a proposed water supply system, two large...
Question 1 50 marks Part A (30 marks) In a proposed water supply system, two large reservoirs will be connected with a pipeline 9 km long and with an elevation difference of 72 metres between the full water levels of the reservoirs. The pipe will be required to convey a minimum discharge of 450 L/s. The proposed pipe material is UPVC. Fittings in the pipeline include one 90° short radius elbow and one gate valve fully open. Pipeline entrance and...
Two reservoirs whose difference of level is 15 m are connected by a pipe ABC whose highest point ...
Two reservoirs whose difference of level is 15 m are connected by a pipe ABC whose highest point B is 2 m below the level in the upper reservoir A. The portion AB has a diameter of 200 mm and the portion BC a diameter of 150 mm, the friction coefficient being the same for both portions. The total length of the pipe is 3 km. Find the maximum allowable length of the portion AB if the pressure head at...
The Figure below (Figure 3) shows a pipe system with a valve and two reservoirs
QUESTION3 The Figure below (Figure 3) shows a pipe system with a valve and two reservoirs. A pump transports a constant flow rate of Q = 0.1 m3/s of water from reservoir A to reservoir B. At four sections the pipe has bends and the roughness of the pipe is ks = 1.5 mm. The pipe has a diameter D = 34 cm and a total length L = 500 m. The water level in reservoir B is Δh=4.67 m above...
Question a. Two reservoirs are connected together by a pipeline which is 200 mm in diameter...
Question a. Two reservoirs are connected together by a pipeline which is 200 mm in diameter and 2000 m long for which the friction factor f, is constant and equal to 0.0045. The head difference between the reservoirs is 25 m and remains constant. Under these conditions, determine the flow in the pipeline. Minor losses can be ignored, however the rejected kinetic energy should be taken into account. b. In this case, is the rejected kinetic energy worth taking into...
(Q1 contd) (vii) A pumped storage hydroelectric scheme comprises two reservoirs. The water surface of the...
(Q1 contd) (vii) A pumped storage hydroelectric scheme comprises two reservoirs. The water surface of the lower reservoir is 100 m above sea level and it has a maximum depth of 10 m while the water surface of the upper lake is 350 m above sea level and it has a maximum depth of 25 m? Which of the following is true is relation to the absolute pressure at the deepest points in the reservoirs ? (a) It will be...
4. An old, rough-surfaced, 2-m-diameter concrete pipe with a Manning coefficient of 0.025 carries water at...
4. An old, rough-surfaced, 2-m-diameter concrete pipe with a Manning coefficient of 0.025 carries water at a rate of 5.0 m'/s when it is half ful. This pipe is to be replaced by a new smooth pipe with a Manning coefficient of 0.012. Determine the diameter of the new pipe if it also is to flow half full with a flow rate of 5.0 m'/s Water initially flowing in the horizontal section of pipe of diameter 12.00 cm shown in...
Underground water is to be pumped by a 78 percent efficient 5-kW submerged pump to a pool whose free surface is 30 m above the underground water level. The diameter of the pipe is 7 cm on the intake side and 5 cm on the discharge side. Determine (a) the m
Underground water is to be pumped by a 78 percent efficient 5-kW submerged pump to a pool whose free surface is 30 m above the underground water level. The diameter of the pipe is 7 cm on the intake side and 5 cm on the discharge side. Determine (a) the maximum flow rate of water and (b) the pressure difference across the pump. Assume the elevation difference between the pump inlet and the outlet and the effect of the kinetic...
Problem 3 A pipeline delivers water from Reservoir 1 to Reservoir 2 as shown in the following figure. The water levels at Reservoirs 1 and 2 are 50 ft and 20 ft, respectively. A globe valve is installed in the pipeline with a minor head loss coefficient k 10. The pipe from Reservoir 1 to the globe valve is 1000 ft long and 6 inches in diameter. The pipe from the globe valve to Reservoir 2 is also 1000 ft...
(b) Water flows under gravity through a pipeline connecting two reservoirs as shown in Figure 2. The pipeline consists of 2 km of pipe diameter 400 mm and sand roughness equivalent 0.03 mm followed by an abrupt change to 3 km of 500 mm diameter pipe of sand roughness equivalent 0.08 mm. The pipe discharges as a free jet into a reservoir. The difference in elevation between the water surface of the upstream reservoir and the discharging jet is 21...
Q2 Water flows at a rate of 0.08 m''min through a flanged tap with a partially closed gate valve spigot (Fig. Q2). The inner diameter of the pipe at the inlet and outlet is 2 cm and 1.5 cm respectively, and the gauge pressure of the water at inlet is measured to be 90 kPa. The pressure at outlet from the tap is atmospheric. The total mass of the tap assembly plus the water within it is 5.8 kg. (a)...
Question 1 50 marks Part A (30 marks) In a proposed water supply system, two large reservoirs will be connected with a pipeline 9 km long and with an elevation difference of 72 metres between the full water levels of the reservoirs. The pipe will be required to convey a minimum discharge of 450 L/s. The proposed pipe material is UPVC. Fittings in the pipeline include one 90° short radius elbow and one gate valve fully open. Pipeline entrance and...
Question a. Two reservoirs are connected together by a pipeline which is 200 mm in diameter and 2000 m long for which the friction factor f, is constant and equal to 0.0045. The head difference between the reservoirs is 25 m and remains constant. Under these conditions, determine the flow in the pipeline. Minor losses can be ignored, however the rejected kinetic energy should be taken into account. b. In this case, is the rejected kinetic energy worth taking into...
(Q1 contd) (vii) A pumped storage hydroelectric scheme comprises two reservoirs. The water surface of the lower reservoir is 100 m above sea level and it has a maximum depth of 10 m while the water surface of the upper lake is 350 m above sea level and it has a maximum depth of 25 m? Which of the following is true is relation to the absolute pressure at the deepest points in the reservoirs ? (a) It will be...
4. An old, rough-surfaced, 2-m-diameter concrete pipe with a Manning coefficient of 0.025 carries water at a rate of 5.0 m'/s when it is half ful. This pipe is to be replaced by a new smooth pipe with a Manning coefficient of 0.012. Determine the diameter of the new pipe if it also is to flow half full with a flow rate of 5.0 m'/s Water initially flowing in the horizontal section of pipe of diameter 12.00 cm shown in...
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