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" To find the pressure in pounds per square inch of a column of water, multiply the height of the column in feet by .434. Approximately, we say that every foot elevation is equal to % Ib. pressure per square inch ; this allows for ordinary friction. To... "
Modern Sheet-metal Workers' Instructor: Practical Geometry, Mensuration ... - Side 224
av Joseph H. Rose - 1906 - 309 sider
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Leffel's Construction of Mill Dams: And Bookwalter's Millwright and Mechanic

Leffel, J., & Co - 1881 - 283 sider
...the number of cubic feet of water by 144, and divide the product by the area of the pipe in inches. To find the pressure in pounds per square inch of...multiply the height of the column in feet by .434. (Approximately every foot of elevation is considered equal to g Ib. pressure per square inch). To find...
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Mine-drainage, a treatise on direct-acting underground steam-pumping machinery

Stephen Michell - 1881
...pressure per circular inch may be found by multiplying the height in feet by -341. Example. — Required the pressure in pounds per square inch of a column of water 200 feet high. 200 x -434 = 86-8 Ibs. per square inch. A ready way of ascertaining approximately the...
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Mine Drainage: Being a Complete and Practical Treatise on Direct-acting ...

Stephen Michell - 1881 - 277 sider
...pressure per circular inch may be found by multiplying the height in feet by -341. Example. — Required the pressure in pounds per square inch of a column of water 200 feet high. 200 x -434 = 86-8 Ibs. per square inch. A ready way of ascertaining approximately the...
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The Popular Science News and Boston Journal of Chemistry, Volumer 17-20

1883
...for discharging water. The ordinary speed to run a pump is from eighty to a hundred feet per minute. The pressure in pounds per square inch of a column of water is the height in feet, multiplied by 594, or, for an approximation, one-half pound pressure per square...
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Steam and Machinery Management: A Guide to the Arrangement and Economical ...

Manfred Powis Bale - 1884 - 191 sider
...pressure per circular inch may be found by multiplying the height in feet by -341. Example. — Required the pressure in pounds per square inch of a column of water 200 feet high. 200 X -434 = 86-8 Ibs. per square inch. A ready way of ascertaining approximately the...
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The Pump Catechism: A Practical Help to Runners, Owners and Makers of Pumps ...

Robert Grimshaw - 1886 - 233 sider
.../18o + 90 =^270 = 16.431, and in the second a diameter of V12-5 + 6.25 = 718.75 = 4.33. Q. How do you find the pressure in pounds per square inch, of a column of water ? A. Multiply the height of the column in feet by 4.34. More roughly, allow 27 inches (or two and a...
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Morrison's Practical Engineer and Mechanics' Guide: Containing a Glance at ...

William A. Morrison - 1887 - 172 sider
...engines require 20 to 25 gallons of water to condense the steam evaporated from one gallon of water. To find the pressure in pounds per square inch of...multiply the height of the column in feet by .434. (Approximately, every foot elevation is called equal to one-half pound pressure per square inch.) To...
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The Goulds M'f'g. Co's. Illustrated ...: Catalogue and Price List, of Pumps ...

Goulds Pumps, Inc - 1888 - 288 sider
...perfect vacuum it will sustain a column of mercury 29.9 inches, or a column of water 33.9 feet high. To find the pressure in pounds per square inch of...multiply the height of the column in feet by .434. Approximately, we say that every foot elevation is equal to % Ib. pressure per square inch ; this allows...
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Catalogue of Gate Valves and Fire Hydrants

Chapman Valve Mfg. Co., Boston, Mass - 1888 - 166 sider
...horse power. To find the area of a piston, square the diameter and multiplv by .7854. To Jind tJic pressure in pounds per square inch of a column of...multiply the height of the column in feet by .434. «3 OHAFTvlAN VA LV E IVlKG. CO. Elastic Force of Steam, and Corresponding Temperature of the Water...
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The Little Giant Cyclopedia and Treasury of Ready Reference: 1,000,001 ...

K. L. Armstrong - 1889 - 488 sider
...perfect vacuum it will sustain a column of mercury 29.9 inches or a column of water 33.9 feet high. To find the pressure in pounds per square inch of...multiply the height of the column in feet by .434. Approximately we say that every foot elevation is equal to % pound pressure per square inch; this allows...
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