Questions and answers on pumps and pumping machinery (1912)
Wakeman, William Henry, 1855- [from old catalog] · Chicago, The Joseph G. Branch publishing company · leaf 96
more uniform motion to themachine and allow it to be run at a lower speed. 309. Q. Why is a low speed a valuable feature?A. Because the supply of water to a boiler can thus be reduced when the rate of evaporation is low. 310. O. Why not stop the pump and let it standuntil more is needed? A. Because… … 86 QUESTIONS AND ANSWERS ON A. No; it is sometimes placed near the steamcylinder, as shown in Fig. 52. 312. Q. What advantage is gained by this design?A. There is none. It is a matter of choice or con-venience of the builders. 313. Q. In what other way does this differ fromthe preceding…
Pumping machinery
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