 | Automobiles - 1899 - 318 pages
...measured by a thermometer. The quantity of heat is measured in thermal units, the British thermal unit being the amount of heat required to raise 1 pound of water through 1 degree F., when the water is at its greatest density, viz., 39-1 F. This amount of heat =... | |
 | Analytical chemistry - 1900 - 532 pages
...three units in use for measuring the quantity of heat: 1. The British thermal unit, which represents the amount of heat required to raise 1 pound of water 1° Fahrenheit. Instead of writing out the words 0British thermal unit " in full, it is customary to abbreviate... | |
 | Thomas Dyson West - Cast-iron - 1902 - 656 pages
...heat required to raise I pound of water 1° Fahrenheit. The second is the thermal unit, and which is the amount of heat required to raise 1 pound of water 1° centigrade. The third is the calorie, and which is the amount of heat necessary to raise 1 kilogram... | |
 | Madison Cooper - Cold storage - 1905 - 612 pages
...temperature of 66° Fahrenheit between Inside and outside of tester. The British Thermal Unit— "BTU" Is the amount of heat required to raise 1 pound of water 1° Fahrenheit. X-lnch D. * M. Boar.li. ye-— K-lnoh D. t M. Boirdi. \ Kr" — wr Pap»r . . . I ,„... | |
 | Elias Hudson Bartley - Pharmaceutical chemistry - 1906 - 760 pages
...operation is conducted in a calorimeter, for a description of which see p. 547. The thermal unit is the amount of heat required to raise 1 pound of water 1° C. The unit of heat now almost universally used in chemical and physiological work is the calorie,... | |
 | Geological Survey (U.S.) - Geology - 1909 - 504 pages
...of coal. o Calory: Amount of heat required to raise 1 kilogram of water i° C. British thermal unit: Amount of heat required to raise 1 pound of water 1° F. THE SENTINEL BUTTE LIGNITE FIELD, NORTH DAKOTA AND MONTANA. By AG LEONARD and CARL D. SMITH. INTRODUCTION.... | |
 | National Electric Light Association - Overhead electric lines - 1914 - 848 pages
...number of different heat units. The most important are: The British Heat Unit, or Thermal Unit, or the amount of heat required to raise 1 pound of water 1 degree Fahr. This unit represents an amount of work equal to 772 foot-pounds. The Calorie, or the amount... | |
 | Cast-iron - 1915 - 750 pages
...centigrade from an initial temperature at or near 4° C. Still another unit is the pound calorie, which is the amount of heat required to raise 1 pound of water 1 degree centigrade in temperature. A great calorie is equal to 3.968 British thermal units, and 1 British... | |
 | Mechanical engineering - 1916 - 902 pages
...measure of the heat units in the oil and is expressed as British Thermal Units (B. TU's). The BTU is the amount of heat required to raise 1 pound of water 1° F. Calorific Value is determined by means of the bomb calorimeter. (For details of test see Appendix.)... | |
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B. tu being the amount of heat required to raise 1 pound of water 1° F., and 12,000 B. 
