Questions and answers on pumps and pumping machinery (1912)
Wakeman, William Henry, 1855- [from old catalog] · Chicago, The Joseph G. Branch publishing company · leaf 14
m of pump forboiler feeding? A. The direct-connected power pump, as illus-trated in Fig. 1. In this case a vertical engine isshown, but the same kind of pump is used under otherconditions. 10. Q. Explain its operation. A. A disk, a plain crank or an eccentric is placedon the outer end of the crank… … FIG./ 4 QUESTIONS AND ANSWERS ON moves upward it draws water in through the left-hand check valve, and when it moves downward thiswater is forced out through the right-hand checkvalve. 11. Q. What other advantage is gained by itsuse? A. It is very economical in the use of powerbecause it is driven…
Pumping machinery
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