A centrifugal pump having a suction diameter of 254 mm and a discharge pipe diameter of 127 mm has been tested and found to discharge 52 lps of clear cold water. A pressure gauge connected to the inlet pipe reads 0.160 kg/cm² vacuum and a discharge pressure gauge reads 108 kPa at a distance of 100 cm above the point where the inlet pressure is measured. If the kW rating of the driving motor is 12 kW a. Calculate the pump's efficiency b. If this pump runs at 1750 rpm, what will be the new discharge head and power delivered if the speed is increase to 3600 rpm? Assume constant efficiency.

A centrifugal pump having a suction diameter of 254 mm and a discharge pipe diameter of 127 mm has been tested and found to discharge 52 lps of clear cold water. A pressure gauge connected to the inlet pipe reads 0.160 kg/cm² vacuum and a discharge pressure gauge reads 108 kPa at a distance of 100 cm above the point where the inlet pressure is measured. If the kW rating of the driving motor is 12 kW a. Calculate the pump's efficiency b. If this pump runs at 1750 rpm, what will be the new discharge head and power delivered if the speed is increase to 3600 rpm? Assume constant efficiency.

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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