Mechanical equipment of buildings; a reference book for engineers and architects (1916)
Harding, Louis Allen, Willard, Arthur C. (Arthur Cutts), 1878-1960 · New York Wiley · leaf 402
of the pressures decided upon. Regulate the speed and take the readings. Then pro-ceed to the next point. It is essential that at least the quantity-head curve be plotted asthe test proceeds, otherwise there may be gaps that will be hard to fiU in when the curves arebeing drawn up in the… … QUANriTY-HEAD. ISO-EFFICIENCYUNO BRAKE HORSE POWER CURVES --^ OF AN 8SINGLE STAGE CENTRIFVGAL PUMP. 400 800 1200 1600 Gal. per mJa. Fig. 28. 2000 2400 2800 The result will be another series of similar curves, as shown in dotted lines. By running atstill another speed, curves, shown in dot and dash…
Building · Heating · Ventilation
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