 | Thomas Box - 1868 - 262 σελίδες
...measuring the amount of heat absorbed or evolved during any operation : in this country the standard unit is the amount of heat necessary to raise the temperature of a pound of water 1° Fahr. This amount is not quite uniform at all temperatures, as is shown by the experiments of Eegnault... | |
 | Henry Evers - 1873 - 174 σελίδες
...enable the observer to read off easily the change in temperature. 18. Unit of Heat. — A unit of heat is the amount of heat necessary to raise the temperature of a pound of water one degree. Suppose a pound of water to be raised from 10° C. to 20°C., it has received ten additional... | |
 | Henry Evers - 1873 - 176 σελίδες
...enable the observer to read off easily the change in temperature. 18. Unit of Heat. — A unit of heat is the amount of heat necessary to raise the temperature of a pound of water one degree. Suppose a pound of water to be raised from 10°C. to 20°C., it has received ten additional... | |
 | Henry Evers - 1873 - 426 σελίδες
...quantities of water are employed, and not pounds. 10. A Unit of Heat. — A unit of heat is defined as the amount of heat necessary to raise the temperature of a pound of water one degree. Hence the units of heat in a pound of steam at 100°C., number 637-2. 11. Consumption of... | |
 | 1878 - 744 σελίδες
...may never change its whole amount. Joule first discovered the equivalent of heat to mechanical force. The amount of heat necessary to raise the temperature of a pound of water one degree would when properly applied raise a pound of water 772 feet high. One degree of heat is... | |
 | Thomas Newbigging - 1883 - 514 σελίδες
...of carbonic oxide, burning to carbonic acid, yields 4478 ditto. NOTE. — The standard unit of heat is the amount of heat necessary to raise the temperature of a pound of water 1° Fahr. As a rule, when firing with coke, cleaning off the fire bars once in 12 hours is sufficient.... | |
 | Stephen Roper - 1889 - 422 σελίδες
...measuring the amount of heat absorbed or evolved during any operation, in this country the standard unit is the amount of heat necessary to raise the temperature of a pound of water 1° Fah., or from 32° to 33° Fah. Specific Heat. — Different bodies require different quantities... | |
 | Walter Jones - 1894 - 254 σελίδες
...water at 32° Fahr. 1°, ie, from 32° to 33°, and is called the British thermal unit. SPECIFIC HEAT is the amount of heat necessary to raise the temperature of a solid or liquid body a certain number of degrees ; water is adopted as the unit or standard of comparison.... | |
 | Edward Burnett Voorhees - 1896 - 308 σελίδες
...capacity of the various materials to yield heat. The results of measurements of fuel value are expressed in calories. A calorie is the amount of heat necessary to raise the temperature of a pound of water 4° F. The calories in each of the three classes of nutrients are on the average as follows: Calorics... | |
 | Amos Emerson Dolbear - 1897 - 344 σελίδες
...degree as it will to heat one pound one degree, it has been found convenient to adopt a heat unit, which is the amount of heat necessary to raise the temperature of a pound of water one degree,. When ten pounds of water are heated ten degrees, the water is said to possess 100 heat... | |
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Specific heat is the amount of heat necessary to raise the temperature of a solid or liquid body a certain number of degrees; water is adopted as the unit or standard of comparison. 
