Questions and answers on pumps and pumping machinery (1912)
Wakeman, William Henry, 1855- [from old catalog] · Chicago, The Joseph G. Branch publishing company · leaf 144
PUMPS AND PUMPING MACHINERY. 133 A. It will operate either at pleasure. 470. Q. What is the difference between these twosystems? A. The wet system causes all water used to passthrough the pump, while the dry system allows it topass off through the leg pipe without going throughthe pump. 471. Q.… … 472. Q. What are the comparative sizes of thesepistons and cylinders? A. Steam 10 inches, air 9 inches, circulating 10inches, stroke 12 inches. 473. Q. In what service is this pump extensivelyused? A. For operating surface condensers in connec-tion with steam engines. 474. Q. Describe its…
Pumping machinery
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