 | 1902 - 528 str.
...from 43° to 44°. However, the difference between the actual BTU, as defined above, and the quantity of heat required to change the temperature of 1 pound of water 1 degree for any other temperature is so small that, for all ordinary purposes, it may be assumed that it takes... | |
 | International Correspondence Schools - 1904 - 652 str.
...from 43° to 44°. However, the difference between the actual BTU, as denned above, and the quantity of heat required to change the temperature of 1 pound of water 1 degree for any other temperature is so small that, for all ordinary purposes, it may be assumed that it takes... | |
 | 1906 - 560 str.
...However, the difference between the actual British thermal unit, as defined above, and the quantity of heat required to change the temperature of 1 pound of water 1° for any other temperature is so small that, for all ordinary purposes, it maybe assumed that it takes... | |
 | 1906 - 558 str.
...However, the difference between the actual British thermal unit, as defined above, and the quantity of heat required to change the temperature of 1 'pound of water 1° for any other temperature is so small that, for all ordinary purposes, it may be assumed that it takes... | |
 | International Correspondence Schools - 1912 - 542 str.
...from 43° to 44°. However, the difference between the actual BTU, as defined above, and the quantity of heat required to change the temperature of 1 pound of water 1 degree for any other temperature is so small that, for all ordinary purposes, it may be assumed that it takes... | |
 | Cyril Methodius Jansky - 1917 - 310 str.
...engineering unit of heat is called the British thermal unit, which is abbreviated to Btu A Btu is the heat required to change the temperature of 1 pound of water 1 degree Fahrenheit. One Btu = 252 calories. TRANSFORMATION OF ENERGY 71 Examples 1. How many calories of heat per hour... | |
 | David Talbot Day - 1922 - 1024 str.
...quantity of heat. Joule's equivalent allows 778 foot-pounds as equivalent to 1 Btu, that is, the quantity of heat required to change the temperature of 1 pound of water 1° F., the temperature of the water being that of maximum density (39.4° F.). Specific heat. — The... | |
 | David Talbot Day - 1922 - 1042 str.
...quantity of heat. Joule's equivalent allows 77s foot-pounds as equivalent to 1 Btu, that is, the quantity of heat required to change the temperature of 1 pound of water Ie F., the temperature of the water being that of maximum density (39.4° F.). Specific heat. — The... | |
 | United States. Flight Standards Service - 1976 - 568 str.
...to express quantities of heat energy. They are the calorie and the British thermal unit. One calorie is equal to the amount of heat required to change the temperature of 1 gram of water 1 degree centigrade. This term "calorie" (spelled with a small c) is 1,000 of the Calorie... | |
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BTU, as defined above, and the quantity of heat required to change the temperature of 1 pound of water 1 degree... 