Briefly describe pump selection using characteristic curves provided by the pump manufacturer.

Pump selection using characteristic curves provided by the pump manufacturer

Answered: Briefly describe pump selection using…

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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Show in Figure 1 is the water flow system. The velocity head difference is . Volume flow rate is . The heights are and , respectively. The power output from the motor is , . The energy added by the pump is . The energy loss between point 1 and 2 is . Calculate 2) he energy removed from the system in meter. ___________m
Question 1 • What is the expected number of failures among 600 pumps during 100 hours of operation, if each pump has a hazard rate function h(t) = 10-7t² (where the unit of t is hour)?
i need the answer quickly
***Solve the following problems, correctly and systematically, and show all the necessary figures. Show your complete solutions neatly. Thank you!*** A single-stage centrifugal pump having a suction pipe 254 mm in diameter and a discharge pipe diameter of 5 inches is being tested and found to discharge 48 lps of water. A pressure gage connected to the inlet pipe reads 118 mm Hg vacuum and a discharge gage reads 150 kPa at a distance 100 cm above the point where the inlet pressure was measured. If the kW rating of the driving motor is 12 kW, calculate: a) the pump efficiency. b) if this pump runs at 1800 rpm, what will be the new discharge rate, head, and power developed if the pump speed was increased to 3600 rpm? Assume constant efficiency. c) Determine the pump type.
quick pls
### Develop a conclusion of a piping design report for the choice of a pump, based on the calculated parameters of flow Q = 10 l/s, power of 10kw taking into account that the head of 60 mca adopted was higher than that calculated for safety, and that the pump was chosen through the WebCAPS catalogue of the company GRUNDFOS. The pump chosen was the GRUNDFOS CR 32-3 A-F-A-E-HQQE
1. Specify the sizes of pipes (cast iron, schedule 40 ) and the size of the motor to be used for a pump to lift water at 50 from reservoir A to reservoir B. Consider the following data: Total static head Fittings and valves: Suction line Discharge line Length of straight pipe: Suction pipe Discharge pipe Absolute viscosity of water Absolute roughness of cast iron Water velocity 50 m 1 foot valve, 1 standard elbow 1 gate valve 1 check valve (same as close return valve), 1 gate valve, 1 long sweep elbow, 2 standard elbow 300 m 80 m 0.001002 Pa-s 0.00026 m m 1.18 -2.75 S Pump efficiency 80% Note: Neglect the head loss in the foot valve and at the pipe exit in the discharge reservoir and do not equal sizes for the suction and discharge pipes. Draw the piping system.
Number 4 pls
Can you help with question1
Sketch a typical turbine speed (rpm) VS wind speed characteristics (which indicates how turbine speed is controlled as wind speed changes to achieve the given power curve). Rated speed of the turbine is 18 rpm. Mark all the main points on the curve and the associated values. ..
Is there a flaw in the pipeline design as shown in Flgure 4 ? (select one): (A) The strainer and foot valve should not be used as the combination may cause cavitation. (B) The foot valve should not be used as it may cause cavitation. (C) The pump should be placed at a higher elevation to prevent cavitation from occurring. (D) The gate valve should not be placed on the suction side of the pump as it may cause cavitation. (E) The intake is not placed deep enough below the water surface of the river as it may cause cavitation. (F) None Elevation 180 m- 450 All of Steel Pipe Diameter 250mm· Smooth Bend B Gate Valve- (wide open) River Elevation -Pump at Elevation 125 m 120 m Smooth Bend Sump -Strainer and foot valve at 115m Figure 4

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