A text book of physics, for the use of students of science and engineering (1918)
Duncan, John, d. 1941, Starling, Sydney George, 1873- · London Macmillan · leaf 290
-lb. is available per pound of water ? Pressure -p =700 x 144<7 = 100,800*7 poundals per sq. foot. p 100,800(/ f , -, , Pressure energy = —. = — ^o foot-poundals 100,800 161g f00t.lb. per pound of water.62-3 l 1 Example 2.—Some mercury is under a head of 30 cm. of mercury. What is the pressure… … H C . =8 i A F G I H Fig. 289.—Diagram of a hydraulic installation. A is a hydraulic pump driven by a steam engine, or other source ofpower, and delivers water under high pressure into the pipe systemBC. A safety valve is provided at D and permits some of the waterto escape should the pressure…
Physics
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