Chicago : Engineering and Contracting Pub. Co. · leaf 623
le,are multiplied by the constant duty (143),giving number of acres corresponding to eachquantity pumped, at the given duty, and theresulting straight line D is drawn, acres be-ing in this case read as ordinates, since theabscissas have already been used for quantityof water. A and C intersect at a… … Fig. 2—Design for Pumping Plant at a Canal Drop. gated by the given horse-power at a givenrate of duty, for any selected lift. (d) Number of acres which can be irri-gated by any selected quantity at the givenduty. The writer has applied with very satisfac-tory results a graphical method of…
Buildings
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