The pressure of the water at the base of a nozzle of a Pelton wheel is 4850 , and the velocity of water at the same point is 6 . The jet diameter is 20 cm, the velocity coefficient of the nozzle is 0.98, and the kN peripheral velocity coefficient Ø = 0.45. (a) If the efficiency of the wheel is 86 %, find the brake power. (b) If the pitch diameter of the wheel is 2.5 m, what should be the normal operating speed in rpm?

The pressure of the water at the base of a nozzle of a Pelton wheel is 4850 , and the velocity of water at the same point is 6 . The jet diameter is 20 cm, the velocity coefficient of the nozzle is 0.98, and the kN peripheral velocity coefficient Ø = 0.45. (a) If the efficiency of the wheel is 86 %, find the brake power. (b) If the pitch diameter of the wheel is 2.5 m, what should be the normal operating speed in rpm?

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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