Hydraulic engineering; a practical treatise on the principles of water pressure and flow and their application to the development of water power, including the calculation, design and construction of water wheels, turbines, and other details of hydraulic power plants (1909)
American School (Chicago, Ill.), Black, Adolph, Turneaure, Frederick Eugene, 1866- · Chicago American School of Correspondence · leaf 84
eet per second. The motor gives out at itsshaft 4.4 horse-power. What is the efficiency of the motor? 3.1416X10X62.5X100 _., , ,. ,, ^ -—■ -= .5.5 horse-power delivered to motor 5.50 X 64.4 ^ 4 4e = —- =- 80 per cent efficiency. Example 3. A small turbine wheel using 100 cubic feet of water…
