4) The water pump in the Figure maintains a pressure of 6.5 psig at point 1. There is a filter, ahalf-open disk valve, and two regular screwed elbows. There are 80 ft of 4-inch diametercommercial steel pipe. (a) If the flow rate is 0.4 ft³/s, what is the loss coefficient of the filter? (b)If the disk valve is wide open and Kfilter = 7, what is the resulting flow rate?PumpValveFilterElbows9 ft

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Answered: 4) The water pump in the Figure…

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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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?
4. Find the head loss in a pipeline consisting of 200 ft of 4-in steel pipe, a 90° bend on 24-in radius (K = 0.15), 4-in gate valve (fully open) (K = 0.20), 100 ft of 4-in steel pipe, expansion to 6 in with a 20° taper (K = 0.4), 300 ft of 6-in steel pipe, abrupt contraction to 3-in diameter (K = 0.35), and 50 ft of 3-in steel pipe. The discharge rate is 1.5 cfs.
Find the pressure at point 2 given the isometric drawing of the commercial steel pipeline indicating the straight pipes length and with the following data below:Loss coefficients:• check valve, k = 5.0• gate valves, k = 0.20• elbows, k = 0.75• flowmeter, k = 13.0Pump flowrate = 10 m3/hrFluid power adding by pump = 3.7 HPPressure at point 1 = 60 kPagPipe inside diameter = 50mmViscosity = 0.17 Pa.sSpecific gravity = 0.89Pipe inside surface roughness = 0.00015 ft.
The figure below is a top view of a pipe that is 50 mm in diameter and has a total straight length of10 m. It contains two 45o bends each with a loss coefficient of 0.42 as well as a filter and a valvewith equivalent length of 6 m and 3.25 m respectively. The pipe is horizontal and the flow rate is0.005 m3/s of water. Assume f = 0.003 (Darcy) and the outflow is to the atmosphere.Determine:a) the head losses over the various pipe fittings, b) the losses due to frictionc) the total head losses (ignore the inlet loss),d) the total power loss,e) the inlet pressure in Pascals.
Considering pipe loss only, how much head is required to deliver 0.222 m³/s of heavy fuel oil at 38°C through 914 m of new cast iron pipe, 300 mm inside diameter? Use ε=0.00024 m. (ANSWER MUST BE = 41 m)
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
A water pump is used to pump water from one large reservoir to another large reservoir that is at a higher elevation. The free surfaces of both reservoirs are exposed to atmospheric pressure, as sketched in Fig. The dimensions and minor loss coefficients are provided in the figure. The pump’s performance is approximated by the expression Havailable = H0 − aV.2 , where shutoff head H0 = 24.4 m of water column, coefficient a = 0.0678 m/(Lpm)2 , available pump head Havailable is in units of meters of water column, and capacity V. is in units of liters per minute (Lpm). Estimate the capacity delivered by the pump. A
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?
A water pump is used to pump water from one large reservoir to another large reservoir that is at a higher elevation. The free surfaces of both reservoirs are exposed to atmospheric pressure, as sketched in Fig. The dimensions and minor loss coefficients are provided in the figure. The pump’s performance is approximated by the expression Havailable = H0 − aV.2 , where the shutoff head H0 = 125 ft of water column, coefficient a = 2.50 ft/(gpm)2 , available pump head Havailable is in units of feet of water column, and capacity V. is in units of gallons per minute (gpm). Estimate the capacity delivered by the pump
A water tank used for fire fighting is shown in the figure. A fire extinguishing installation was installed by the cast iron pipe (roughness value ε=0.005mm) from the steady, incompressible water flow for pipe length Lpipe=126.2 m and pipe diameter D=106.2 mm. The height of the tank from the pipeline is h= 24.62 meters. A gate valve is placed on the end line of the installation. Accept that the local pressure loss equivalent length of the gate valve is given as Le/D=8.62, neglect other local pressure losses in the pipe line installation. In places 1 and 2 shown in the figure, the pressure is atmospheric pressure. i-Accordingly, calculate the speed, volumetric flow rate and mass flow rate of the water when the gate valve is opened in this installation. Repeat the calculation at least three iteration, if necessary, you can do more iteration. (ii) Calculate how much electrical energy can be produced if a hydraulic turbine with a total efficiency of 7a.b% is placed in front of the valve…
In an annular section made of commercial steel pipe with an outer diameter or 13.78 inches inside a commercial steel pipe with an inner diameter of 23.62 inches carries a water flowrate of 600L/sec. The total length of the section is 10m. What is the frictional loss in meters of water at a temperature of 68o F?
reservoir with water pressurized pipe diameter is 5 cm. The head loss in the system as given by hL= 5V^ 2/ 2g. The height between the water surface and the pipe outlet is 400 m. A discharge of 0.11 m3 /s is needed. What must the pressure in the tank be achieve such a flow rate? Assume a turbulent flow.

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