 | William Rossiter - 1871 - 444 стор.
...absorbs 28 units of heat, silver 21, tin 14, sulphur 9, phosphorus 5, mercury only 2. By " unit " I mean the amount of heat required to raise one pound of water from 0° to 1° C. By " absorbing " so many units, I mean that in passing from the solid to the liquid condition... | |
 | William Rossiter - 1871 - 420 стор.
...absorbs 28 units of heat, silver 21, tin 14, sulphur 9, phosphorus 5, mercury only 2. By " unit " I mean the amount of heat required to raise one pound of water from 0° to 1° 0. By " absorbing " so many units, I mean that in passing from the solid to the liquid condition... | |
 | Sidney Augustus Norton - 1875 - 304 стор.
...relative measure of the quantity of heat that may be gained or lost by a body the thermal unit, which is the amount of heat required to raise one pound of water from 32° F. to 33° F. Suppose, now, that we have a uniform source of heat, as an alcohol lamp that consumes... | |
 | Edwin Clark - 1878 - 374 стор.
...meteorology. The heat consumed in raising its temperature is greater than for any other known substance ; the amount of heat required to raise one pound of water from 32 to 212 being sufficient to raise a similar weight of iron from 32 to 1,652, or to a dull red heat.... | |
 | American Institute of Mining Engineers - 1882 - 590 стор.
...affect combustion. f One pound of carbon in burning to carbonic acid gives out 14,600 heat units, one unit being the amount of heat required to raise one pound of water from 39° to 40° Fahrenheit. The samo itmount of carbon in burning to carbonic oxide gives out 4400 units. J If the... | |
 | Henry Aubrey Husband - 1883 - 642 стор.
...cooling, at the same time that it gives out more heat through a given range of temperature than the land. The amount of heat required to raise one pound of water from 0° to 100° C. would raise the same weight of iron from 0° to 900° C. ; hence, a pound of water,... | |
 | Frank P. Cox - 1893 - 306 стор.
...form of energy it may be said that a certain amount of energy has been expended. A thermal unit is the amount of heat required to raise one pound of water from 39° F. to 40° F., and is equivalent to 772 ft.-lbs, of work. It is customary for practical engineers to... | |
 | William Perren Maycock - 1896 - 498 стор.
...34.) C, R, and t being in amperes, ohms, and seconds respectively. 1 British Thermal Unit (BTU) is the amount of heat required to raise one pound of water from 6Cf F. to 61° F. That is, it practically represents a pound weight of water raised one Fahrenheit... | |
 | William Perren Maycock - 1902 - 486 стор.
...34.) C, R, and t being in amperes, ohms, and seconds respectively. 1 British Thermal Unit (BTU) is the amount of heat required to raise one pound of water from 60° F. to 61° F. That is, it practically represents a pound weight of water raised one Fahrenheit... | |
 | Kansas Academy of Science - 1903 - 332 стор.
...power to do work. In order to measure the value of a food, we adopt as a measure the calorie ; that is, the amount of heat required to raise one pound of water from 0° to 1° centigrade. By this standard, one pound of protein will furnish 1860 calories ; one pound... | |
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BTU is an abbreviation for a British Thermal Unit, being the amount of heat required to raise one pound of water from 39 to 40 degrees Fahrenheit (ordinary thermometer). 
