22. A 350 mm pipeline 3000 m long runs on a constant grade between two reservoir of surface elevation 134 m and 129 m respectively. The flow rate through the lines is inadequate and a pump is installed to increase the capacity to 0.26 m3/s. Assuming f = 0.017 compute for the energy produce by the pump?49 m32 m56 m21 m

22. A 350 mm pipeline 3000 m long runs on a constant grade between two reservoir of surface elevation 134 m and 129 m respectively. The flow rate through the lines is inadequate and a pump is installed to increase the capacity to 0.26 m3/s. Assuming f = 0.017 compute for the energy produce by the pump?49 m32 m56 m21 m

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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22. A 350 mm pipeline 3000 m long runs on a constant grade between two reservoir of surface elevation 134 m and 129 m respectively. The flow rate through the lines is inadequate and a pump is installed to increase the capacity to 0.26 m3/s. Assuming f = 0.017 compute for the energy produce by the pump?
A tank in the shape of the frustum of a cone has a bottom radius of 0.75 m, top radius of 1.5 m and 2 m high. Find the work required in kN-m to pump the full content of the tank (water) to a point 1 m above the top.
Two reservoirs ( Elev. 38.7m and Elev. 90.6m ) are connected by two pipelines 1-2 and 2-3 with a pump bridging the two pipelines. If the fluid (s.g = 0.81) flows at a rate of 174 L/s, what is the power given by pump? Assume head losses of 2.6 J/N from 1-2 and 5.5 J/N from 2 to 3
Total head (energy) is constant along a pipe system and is 25 m. At Point B, the flow rate is 1.2 m3/s where the rectangular pipe has a height of .5 m and a width of .4 m. What is the static head at Point B, in m?
Two pipes are connected in parallel between two reservoirs: L1= 2500 m, D1 = 1.2 m, C1 = 90; L2 = 2300 m, D2 = 0.8m, 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]
Reservoirs A and B have elevations 250 m and 100 m, respectively, and are connected by a pipe having a diameter of 250 mm and a length of 250 m. A turbine is installed at a point in between reservoirs A and B. The discharge in the pipeline is 140 L/s. If the head loss in the pipe due to friction is 8.55 m, which of the following most nearly gives the power generated by the turbine?
A rectangular open channel, with a constant discharge of 32m3/s, has a smooth expansion from (1) to (2) as shown in figure Q2 in the flow direction. At (1) the channel is 3.6m wide and the water depth is 2.4m . At (2) the water depth is 0.8m. Calculate the minimum energy of the flow at (1).
Reservoirs A and B have elevations 250 m and 100 m, respectively, and are connected by a pipe having a diameter of 250 mm and a length of 250 m. A turbine is installed at apoint in between reservoirs A and B. The discharge in the pipeline is 140 L/s. If the head loss in the pipe due to friction is 8.55 m, which of the following most nearlygives the power generated by the turbine? A. 215.56 Kw B. 194.27 Kw C. 235.16 Kw D. 180.50 kw
Reservoir B in the figure receives 0.06 m^3/s of flow. Determine the flow in line AD.
A rectangular channel of 2.5 m widthis carrying a discharge of 4 m³/s. Considering that acceleration due to gravity as 9.81 m/s2, the velocity of flow (in m/s) corresponding to the critical depth (at which the specific energy is minimum) is
Pump BC delivers water to reservoir F and the hydraulic gradeline is shown in the figure. Determine :A). The power supplied to the water by pump BCB). The power removed by turbine DE andC). The elevation maintained in reservoir F.
5. Water is pumped 14.5 km from a reservoir at elevation 30 m to another reservoir at elevation 70 m. The steel pipeline connecting the reservoirs has a nominal diameter of 1400 mm (the actual inside diameter is 1372 mm) with C = 90. If the flow is 1.18 m3/s, the pumping efficiency is 82%, and electricity costs $0.14/kWh. Assuming that the density of water is 1000 kg/m3, what will be the monthly power bill? Sketch the hydraulic and energy grade lines.