| Joseph Benjamin Rider - 1901 - 546 Seiten
...inches) is 25. which, multipled by 4, gives 100, which is gallons per minute, (approximately.) Or, multiply the area of the water piston, in inches,...the distance it travels, in inches, in a given time. The product divided by 231 gives number of gallons in time named. To FIND THE DIAMETER OF A. PUMP CYLINDER... | |
| United States. Department of Agriculture - 1913 - 1158 Seiten
...height. 1 .-. 0.43 j 15 :. 6.49 50 70 21.65 30 32 2 .86 i 20 ... 8 fifi 5... 216 2o... 10. S2 34.65 than the bottom or sides the average velocity being...variation in the vertical suction lift of the pumps. An " atmo>phere," 14-iV pounds, at 62° F. is equal to a column of mercury 20.0 inches high, or a column... | |
| Edgar George Thomssen - 1922 - 266 Seiten
...cylinder, say from 20 to 30 per cent). To compute the capacity of pumping engines, multiply the area of water piston, in inches, by the distance it travels,...product divided by 231 gives the number of gallons in time named. To find the velocity in feet per minute necessary to discharge a given volume of water... | |
| Julius Rosbloom, Orville R. Sawley - 1922 - 662 Seiten
...to reduce to horsepower per minute. (An allowance of 25 per cent should be made for friction, etc.) To compute the capacity of pumping engines, multiply...the distance it travels, in inches, in a given time. The product divided by 231 gives number of gallons in time named. To find the capacity of a cylinder... | |
| 1926 - 360 Seiten
...losses, an allowance of 25 per cent, should be made in this figure. To determine the capacity of a pump multiply the area of the water piston In inches, by the distance it travels in inches, in a certain time. Divide this product by 231 and the result will be the capacity in gallons in the time... | |
| Julius Rosbloom - 1923 - 414 Seiten
...reduce the horse-power per minute. (An allowance of 25 per cent should be made for friction, etc.) To Compute the Capacity of Pumping Engines: Multiply...the distance it travels in inches, in a given time. The product divided by 231 gives number of gallons in time named. To Find the Capacity of a Cylinder... | |
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