Engineering Encyclopedia: A Condensed Encyclopedia and Mechanical Dictionary for Engineers, Mechanics, Technical Schools, Industrial Plants, and Public Libraries, Giving the Most Essential Facts about 4500 Important Engineering SubjectsFranklin Day Jones, Paul Bert Schubert Industrial Press, 1963 - 1431 σελίδες |
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Σελίδα 286
... tion , and thus the voltage , as the load comes on , so as to counterbal- ance the drop in voltage that would take place , if only a shunt winding were provided . The series coils , therefore , reinforce the shunt field in direct ...
... tion , and thus the voltage , as the load comes on , so as to counterbal- ance the drop in voltage that would take place , if only a shunt winding were provided . The series coils , therefore , reinforce the shunt field in direct ...
Σελίδα 507
... tion pipe , and prompt starting of the pump is secured , assuming that the foot - valve is tight enough to retain the water in the suc- tion pipe . This valve is of especial value when the suction lift or vertical height of the pipe is ...
... tion pipe , and prompt starting of the pump is secured , assuming that the foot - valve is tight enough to retain the water in the suc- tion pipe . This valve is of especial value when the suction lift or vertical height of the pipe is ...
Σελίδα 939
... tion into rigid conduit , a product used for the protection of eleo- trical wiring systems . Conduit pipe is not subjected to hydrostatic tests unless so specified . It is furnished in standard weight pipe sizes from 1⁄2 inch to 6 ...
... tion into rigid conduit , a product used for the protection of eleo- trical wiring systems . Conduit pipe is not subjected to hydrostatic tests unless so specified . It is furnished in standard weight pipe sizes from 1⁄2 inch to 6 ...
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