Q.4. In the system shown in figure, the water flow rate ,Q= 0.5 m3/s and pressure P=20 kPa are required at the point C. Calculate flow directions and flow rates in the pipes and power of the pump required in the system. Draw the energy lines in the system. Note: Neglect the local losses and take f=0.02 in the analysis. B ZA-20 m ZB=40 m zc=4 m ZD=0 m 3. A 2 Li=95 m, L2=120 m, L3=100 m L2= 125m 1 Pump D= 30 cm k=0.046 mm

Q.4. In the system shown in figure, the water flow rate ,Q= 0.5 m3/s and pressure P=20 kPa are required at the point C. Calculate flow directions and flow rates in the pipes and power of the pump required in the system. Draw the energy lines in the system. Note: Neglect the local losses and take f=0.02 in the analysis. B ZA-20 m ZB=40 m zc=4 m ZD=0 m 3. A 2 Li=95 m, L2=120 m, L3=100 m L2= 125m 1 Pump D= 30 cm k=0.046 mm

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

See similar textbooks

Similar questions

A pump is being utilized to deliver a flow rate of 500 li/sec from a reservoir of surface elevation of 65 m to another reservoir of surface elevation 95 m.The total length and diameter of the suction and discharge pipes are 500 mm, 1500 m and 30 mm, 1000 m respectively. Assume a head lose of 2 meters per 100 m length of the suction pipe and 3 m per 100 m length of the discharge pipe. What is the required horsepower of the pump? **provide complete solution using bernoullis equation..provide illustration with labels like datum line and such** Show all formula derivation
1. Bernoulli Equation on Pump: Water is being pumped from the lower reservoir to the upper reservoir, as shown in the figure. Water is being pumped from the lower reservoir to the upper reservoir, as shown in the figure. Determine the pump horsepower required, given the following data:Q = 23 ft3/sD = 24 in.Ηpump = 75 %Ltotal = 3600 fthpipe = head loss coefficient = 0.0076 ft/total pipeline length ft show Complete Solution/s (i.e. transformations, equivalent formula, etc).
For the series-parallel system shown in figure, all pipes are 8cm_diameter cast iron. If the total flow rate is 0.026 m3/s find; a-) The flow rate for each pipe b-) Pressure lost between point (A) and (B) note: Take f=0.02 and neglect minor losses.
In a 225 mm pipeline 0.14 m3/s of water are pumped from a reservoir of surface elevation30 over a hill of elevation 50. A pump of what power is required to maintain a pressure of 345kPa on the hilltop if the head lost between reservoir and hilltop is 6 m?
Water from a reservoir passes over a dam through a turbine and discharges from a 70-cm ID pipe at a point 95 m below the reservoir surface. The turbine delivers 0.950 MW. Calculate the required flow of water in m3/min if friction is neglected. If friction were included would a higher or lower flow rate be required? (Note: The equation you will solve in this problem has multiple roots. Find a solution less than 1.0 m3/s.) V=___m^3/min?
A hydroelectric power plant is being designed. The gross head from the reservoir to the tailrace is 1065 ft, and the volume flow rate of water through each turbine is 203,000 gpm at 70°F. There are 12 identical parallel turbines, each with an efficiency of 95.2 percent, and all other mechanical energy losses (through the penstock, etc.) are estimated to reduce the output by 3.5 percent. The generator itself has an efficiency of 94.5 percent. Estimate the electric power production from the plant in MW
From a very large tank with an absolute pressure of 3 bar, the water is discharged to the atmosphere by means of 2 smooth pipes of 100 m length, 1 m and 50 m long, connected in series. The height difference between the water level in the tank and the outlet is 50m, and the diameters of the pipes are 50mm and 100mm, respectively. In addition, a 500kPa turbine is placed on the 2nd Pipe. a) Draw the system roughly, show the dimensions on it.b) Calculate the exit velocity of the water from the 2nd pipe, ignoring the local losses.
The 28-in-diameter pump in Fig. at 1170 r/min isused to pump water at 20°C through a piping system at14,000 gal/min. (a) Determine the required brake horsepower.The average friction factor is 0.018. (b) If there is65 ft of 12-in-diameter pipe upstream of the pump, how farbelow the surface should the pump inlet be placed to avoidcavitation?
A centrifugal pump having a head-capacityrelationship given by the equation ha=180 –6.10 X 10-4 Q2, with ha in feet when Q is ingpm, is to be used with the system shownin the figure, For Z2-Z1= 50 ft, what is theexpected flowrate if the total length ofconstant diameter pipe is 600 ft and thefluid is water? Assume the pipe diameter tobe 4 inch and the friction factor to be equalto 0.02. Neglect all minor losses.
The following system is fed by a centrifugal pump. The piping is constructed from smooth plastic of OD 55 mm, wall thickness 2.5 mm. The minor losses for the system prior to the pump are given by KL = 12.0. The system curves for this pump are attached. If the flowrate is reduced to 1.4 m3/hr, and the upstream head requirement were 17 m, what would the electrical power requirement of the pump be?
1. Assume a horizontal shaft handling water at 65 deg C (Pv=2.503 KPa, Density=980.5 m3/kg). The suction nozzle is 4.35 m below the pump centerline and the pressure gauge reading at this point is 221Kpag. Determine the NPSHa if the head loss is 0.82 m. If the NPSHr is 3m less than the NPSHa you got on question number 1, determine the pump suction specific speed at pump rotating at 1800rpm and Q=500gpm
4. A circular pipe of uniform diameter 500mm carries water under pressure 30 N/cm2 . The mean velocity of water at the inlet (at the datum) is 2.0 m/s. Find the total head or total energy per unit weight of the water at a cross-section, which is 5 m above the datum line.