Problem 6. Consider again the pump and piping system of Problem 3 with the gate valve open. (a) Calculate theflowrate with two pumps in series. (b) Calculate the flowrate with two pumps in parallel. (c) Add to your plot fromProblem 3 curves for two pumps in parallel and two pumps in series. (d) Briefly discuss if it would be better tooperate with pumps in parallel or series and how your answer would change as the steepness of the systemcurve changes.

Answered: Image /qna-images/answer/6a1e2b3c-e07a-42e3-b78a-5b2b63d9859c.jpg

Answered: Problem 6. Consider again the pump and…

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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Problem 3. Performance data for a pump are given in the table below. From a curve fit to the data, the pump curve is given by Hp = Ho – C, Q² where Ho = 180 ft and C, = 1.524 × 10-5 ft/gpm?. This pump is used to move water at STP between two open reservoirs with an elevation increase of Az = 50 ft through a commercial steel pipe of length L = 1200 ft and diameter D = 1.0 ft that contains two 90° elbows (equivalent length of 30 diameters) and an open gate valve (equivalent length of 8 diameters). The flow entrance and exit for the reservoirs are abrupt. (a) Plot the pump curve and system curve on the same figure. (b) Calculate the flowrate with the gate valve open. (c) Calculate the equivalent length for the gate valve in order to reduce the flowrate by half. NOTE: Your calculations for this problem will require iteration because the friction factor for this case does depend on Q. Thus, it is recommended you use either EES (see solution for Example 19 from lecture) or Excel to get…
Note: Please provide a clear, step-by-step simplified handwritten working out (no explanations!), ensuring it is done without any AI involvement. I require an expert-level answer, and I will assess and rate based on the quality and accuracy of your work and refer to the provided image for more clarity. Make sure to double-check everything for correctness before submitting thanks!. Question: (In the image as provided)
(previous test for fluids 3, exam prep) The pump whose performance data is plotted in Figure 4 was operating at a rotational speed of 1950 rpm and had an impeller diameter of 15 m. First, state the affinity law for centrifugal pumps when the impeller varies, then use the equations of the affinity laws to determine the head that would result in a capacity of 4000 L/min. Then, compute the performance of the pump impeller diameter changes to 35 m.
FLUID MECH Support your answer with the appropriate solution and diagram. 4. The water level in a tank is 20 m above the ground. A hose is connected to the bottom of the tank, and the nozzle at the end of the hose is pointed straight up. The tank is at sea level, and the water surface is open to the atmosphere. In the line leading from the tank to the nozzle is a pump, which increases the pressure of water. if the water jet rises to a height of 27 m from the ground, determine the minimum pressure rise in kPa supplied by the pump to the water line. A. 102.5 B. 92.8 C. 79.9 D. 68.7
5.19 Consider the piping system shown in the following diagram. The pump operates at 1750 rpm. El 1475' L= 8000'; D = 12";f=0.026 El 1200' Pump 106 Turbomachinery: Concepts, Applications, and Design The pump curve is given by h,=350-24Q² where h, is given in ft. and Q in cfs. What would the head and flow rate delivered be under these conditions? Ans: Q=160 cfs; h,=288 ft 5.20 Solve the previous problem for two identical pumps connected in (a) series and (b) parallel. Ans: a) Q=2.83 cfs, h,=315 ft; b) Q=2.58 cfs; h,=310 ft %D
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Problem 5. Performance curves are available here at three different operating speeds, N = 1750, 2900, and 3500 rpm, for a family of stainless-steel pumps with closed impellers (SSPC1 250 Family) manufactured by American Stainless Pumps . (a) Make three tables (one for each N) at the best efficiency point, BEP, with the following columns: diameter, D (in), flowrate, Q (gpm), head, H₂ (ft), power, Wm (hp), efficiency, np, and specific speed in U.S. customary units, Ns,cu, and dimensionless, Ns. Use Web Plot Digitizer (the first 5 minutes of the tutorial video will show you how it works) to extract the data points for H₂ and at the BEP. (b) Use the scaling laws to produce the same table at N = 2900 rpm from the data at N = 3500 rpm. Briefly discuss the agreement between these two tables. (c) Plot N, versus D for all three values of N on the same figure. Briefly discuss the agreement of the curves.
URGENT Please answer this problem in 30minutes. I need correct answers with complete and step by step solution. Box the final answers. Do not shortcut your solution. I will give an upvote if it satisfies. Thank you! If the velocity of water is 8 m/s and the pressure is 140 kPa on the discharge side of a pump. a. What is the head of the pump if the velocity is 4 m/s and the pressure is 90 kPa on the suction side of the pump? b. How much power is required to drive it if the diameter of the suction side is 600mm? c. If the pump is rated at 120hp, what is the efficiency of the pump neglecting energy losses in the system?
Analyze to select the type of the turbine when its diameter is 600 mm, rotational speed is 600 rpm and working under a water head of 120 meters. The buckets deflect the 100 mm diameter jet through an angle of 165°. Take the coefficient of velocity for the nozzle as 0.97. Use Table given below for selection of turbine. Sr. # Specific speed (rpm) Type of turbine 1 8-30 Pelton wheel with one nozzle 30 - 50 Pelton wheel with 2 or more nozzles 50-250 Francis turbine 4 250-1000 Kaplan turbine 2. 3.
Refer to the “composite performance chart” for a Goulds 3x4-10centrifugal pump operating at 1750 rpm. It shows the pump performance curve for 5 differentimpeller sizes, but also shows the HP required, efficiency, and NPSH required at differentoperating points.Describe the performance of this pump, using an 8 inch impeller and a required flow rate of175 gpm. Give head available, power required (BHP), efficiency, and NPSH req’d. What is the water horsepower (WHP)?
A gear pump has a 80-mm outside diameter, a 55-mm inside diameter, and a 25-mm width. If the actual pump flow rate at 2300 rpm and rated pressure is 140 LPM, calculate the Theoretical Flow Rate, QT (m3/s). (Hint: first calculate the Displacement Volume) Group of answer choices 0.00361 m3/s 0.00233 m3/s 0.00254 m3/s 0.00262 m3/s
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