. Gasoline characteristics . ce of the verticalriser and another constant level float was connected in, asshown by Figure 5. The slope of the tube was made such thata vertical rise of one-tenth of an inch was represented byfour tenths of an inch along the tube. As the surface ofthe liquid in the tube was not horizontal, due to capillaryaction, the position of one end of the curve was read eachtime. The theory of this instrument is as follows:The level of the gasoline in the floet chambers (A) remainsconstant at all times and therefore the head is flow is therefore proportional to
. Gasoline characteristics . ce of the verticalriser and another constant level float was connected in, asshown by Figure 5. The slope of the tube was made such thata vertical rise of one-tenth of an inch was represented byfour tenths of an inch along the tube. As the surface ofthe liquid in the tube was not horizontal, due to capillaryaction, the position of one end of the curve was read eachtime. The theory of this instrument is as follows:The level of the gasoline in the floet chambers (A) remainsconstant at all times and therefore the head is flow is therefore proportional to the velocity. Theheight of the liquid in the tute(C) is also proportional tothe velocity past its mouth, and a reading on the scale (D)is therefore an indication of the flow through the outlet (E). Two calibration rvins were made, the results of whichare given in Table , and are shown plotted as curvesNo, 10 and 11 on Curve Sheet The curves were not drawnthro\igh each point but along the general line of points. 34. 55
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