Questions and answers on pumps and pumping machinery (1912)
Wakeman, William Henry, 1855- [from old catalog] · Chicago, The Joseph G. Branch publishing company · leaf 143
m of combinedwater and vacuum pump ? A. Fig. 84 illustrates one of these pumps, showinga steam cylinder in the middle, a water cylinder at theright, and a vacuum at the left hand. 467. Q. Give the comparative sizes of pistons inthis case. A. Steam 10 inches, water 5 inches, vacuum 10inches, stroke… … 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.…
Pumping machinery
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