 A calorie is the amount of heat required to raise the temperature of 1 gram of water 1° C. A British thermal unit (abbreviated Btu) is the quantity of heat required to raise the temperature of 1 pound of water 1° F.  Household Physics - Page 8by Claude H. Brechner - 1919 - 304 pagesFull view - About this book
 | United States. Department of the Interior - 1916 - 1232 pages
...representative sample. The heating value, which is measured in British thermal units (the amount of heat required to raise the temperature of 1 pound of water 1° F. at 59° F.) or in calories (the amount of heat required to raise the temperature of 1 gram of water... | |
 | United States. Department of the Interior - 1916 - 1248 pages
...representative sample. The heating value, which is measured in British thermal units (the amount 01 heat required to raise the temperature of 1 pound of water 1° F. at 59° F.) or in calories (the amount of heat required to raise the temperature of 1 gram of water... | |
 | Louis Allen Harding, Arthur Cutts Willard - Building - 1916 - 652 pages
...TABLE 2 BOILING POINT OF WATER AT VARIOUS ALTITUDES The specific heat of waler, or the number of Btu required to raise the temperature of 1 pound of water 1° F. varies with the temperature as shown in the following table. TABLE 3 Temperature, F.° 30° F. 55 100... | |
 | Arthur Coe Spencer - Geology, Economic - 1916 - 584 pages
...gram of pure water 1° C. at or about 4° C. 'A British thermal unit (B. tu) IB the quantity of heat required to raise the temperature of 1 pound of water 1° F. at or near the temperature of maximum density (39.1° F.). s I o 5 Ef • 1 ! "s|||i a= ' It •aS... | |
 | Guilford Lawson Spencer - Sugar - 1917 - 626 pages
...near 4" C. (Temperature of maximum density of water) =3.968 Btu One British thermal- unit (Btu) =heat required to raise the temperature of 1 pound of water 1° F. at or near 39.2" F. ( -4° C.) =0.252 calorie. AN OUTLINE OF THE CUSTOMARY METHOD OF MANUFACTURING... | |
 | Steam engineering - 1921 - 552 pages
...212° Fahr. *NOTE. — The old definition of the heat unit as given by Rankin is: the quantity of heal required to raise the temperature of 1 pound of water 1° F., at or near its temperature of maximum density (35.1° F); this unit was the accepted standard up to... | |
 | Walter Henry Jeffery - Boring - 1921 - 542 pages
...the temperature and pressure of the rest until the temperature again equals that due to its pressure. required to raise the temperature of 1 pound of water 1° F., at or near its temperature of maximum density (39.1° F.), is now no longer used. Peabody defines it... | |
 | Andrew Malinovszky - Pottery - 1921 - 298 pages
...water in Fahren\ J / heitof (100X1.8)+32= 212. The British thermal unit (BTU) is the quantity of heat required to raise the temperature of 1 pound of water 1° F. For instance we wish to raise 75 pounds of water from 60° F. to 150° F. we have to raise only 90°... | |
 | David Talbot Day - Petroleum industry and trade - 1922 - 1024 pages
...of this heat may be expressed in British thermal units (Btu), each of which is the quantity of heat required to raise the temperature of 1 pound of water 1 ° F. The air furnished for combustion contains 79.3 per cent nitrogen, the remainder being oxygen. Unfortunately,... | |
 | David Talbot Day - Petroleum industry and trade - 1922 - 1024 pages
...of this heat may be expressed in British thermal units (Btu), each of which is the quantity of heat required to raise the temperature of 1 pound of water 1 ° F. The ah- furnished for combustion contains 79.3 per cent nitrogen, the remainder being oxygen. Unfortunately,... | |
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