Mechanical laboratory methods; the testing of instruments and machines in the mechanical engineering laboratory and in practice (1922)
Smallwood, Julian Chase · New York, D. Van Nostrand company · leaf 369
s reduced to the static condition, when the discharge valve closes, thewaste valve opens, and the cycle recommences. Fig. 110 showsdiagrammatically the arrangement of piping of a hydraulic ram. … Waste Water—>F 69 TESTING OF WATER MOTORS 351 Two values for the useful work of a ram may be obtained,depending upon the level from which the head pumped againstis dated. Referred to the level of the supply water, the usefulwork is that corresponding to the elevation of a weight of waterthrough…
Mechanical engineering
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