Hawkins electrical guide ... : questions, answers & illustrations : a progressive course of study for engineers, electricians, students and those desiring to acquire a working knowledge of electricity and its applications ; a practical treatise (1914)
Hawkins, N. (Nehemiah), 1833-1928 · New York : T. Audel & Co. · leaf 354
C, and establish the fulldischarge pressure in that chamber. The small lowerchamber D contains a plug H, which may be ad-justed endways by means of screws. The forward endof this plug fits closely into a recess in the face of thehub E, which recess communicates, by way of thehollow central part of… … sure in the chamber C to the delivery pressure, the total upward pressure on the impellersis greater than the total weight of the rotating part of the pump. The rotating element istherefore lifted until the recess in hub E is raised clear of the plug H. In this position thepressure in chamber C is…
Electrical engineering
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