 | United States - 1977 - 1106 pages
...AND CONSUMPTION, BY MAJOR SOURCE: 1940 TO 1976 [A British thermal unit (Btu) is the quantity of heat required to raise the temperature of 1 pound of water 1* F at or near its point of maximum density. Prior to 1960, excludes Alaska and Hawaii, except data for bituminous... | |
 | 1897 - 358 pages
...(852) See Art. 1341. (a) By the effects it produces. (&) The British thermal unit, the amount of heat required to raise the temperature of 1 pound of water 1° F. (c) Since 1 BTU will raise 1 Ib. of water 1°, 6 BTU will raise 6 Ib. of water 1°, and as 6 Ib. of... | |
 | Ontario. Legislative Assembly - Ontario - 1901 - 848 pages
...temperatures of outside and inside air of 1° F. A unit of heat may be defined as that quantity of heat-energy required to raise the temperature of 1 pound of water 1 ° F. The amount of ice consumed by an empty refrigerator depends on these conditions : — 1. Tbe area of... | |
 | International Correspondence Schools - Locomotive boilers - 1902 - 788 pages
...by subtracting 32 from the corresponding temperature in column 2. If it required exactly 1 heat unit to raise the temperature of 1 pound of water 1° F. at all temperatures, it would, of course, take exactly 212 — 32, or 180 heat units to raise 1 pound... | |
 | Agriculture - 1902 - 738 pages
...by subtracting 32 from the corresponding temperature in column 2. If it required exactly 1 heat unit to raise the temperature of 1 pound of water 1° F. at all temperatures, it would, of course, take exactly 212 — 32, or 180 heat units to raise 1 pound... | |
 | Geological Survey (U.S.) - Geology - 1906 - 232 pages
...Analyses of coal used in comparative fuel tests. a The British thermal unit (BTU) is the. amount of heat required to raise the temperature of 1 pound of water...equal to 0.55 calorie. The following conclusions arc stated in the report: с • The relative evaporative efficiency of oil and coal as a fuel, as determined... | |
 | Albert Foster Crider, Edwin Clarence Eckel - Geology - 1906 - 328 pages
...Analyses of coal used in eomparativejuel tests. " The British thermal unit (BTU) is the amount of heat required to raise the temperature of 1 pound of water 1° F. at or near 39.1° F. It is equal to 1)..vi caloric. The following conclusions are stated in the report: « The relative evaporative efficiency... | |
 | Henry Clifford Cheston, James Stewart Gibson, Charles E. Timmerman - Physics - 1906 - 526 pages
...C. is the CGS unit of heat and is called the calorie. The FPS unit of heat is the quantity of heat required to raise the temperature of 1 pound of water 1° F. and is known as the British Thermal Unit (BTU). 228. Heat Absorbed or Liberated by Water. — To calculate... | |
 | Locomotive boilers - 1906 - 642 pages
...by subtracting 32 from the corresponding temperature in column 2. If it required exactly 1 heat unit to raise the temperature of 1 pound of water 1° F. at all temperatures, it would, of course, take exactly 212 — 32 = 180 heat units to raise 1 pound of... | |
 | International Correspondence Schools - 1908 - 754 pages
...that the conversion of 778 foot-pounds of work into heat will produce exactly the quantity of heat required to raise the temperature of 1 pound of water 1° F.; hence, 778 foot-pounds is call'ed the mechanical equivalent of heat. There is .737 foot-pound in 1... | |
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British thermal unit (BTU) is the. amount of heat required to raise the temperature of 1 pound of water 1° F. 
