 | Denison Olmsted - Physics - 1882 - 522 pages
...Ibs. of air is 3234 times the volume of one pound of water. The Tliermal unit is variously given as the amount of heat required to raise 1 Ib. of water 1° F., or 1 Ib. of water 1° C., or 1 kilogramme of water 1° C. The thermal units which we shall use are... | |
 | Mark Robinson Wright - Heat - 1887 - 294 pages
...9°° » 1 ,, » 1°°, /. 1 » » » 9° ,, 1 » » 1 0 -; /. to raise 1 Ib. of shot 1° requires \ the amount of heat required to raise 1 Ib. of water 1°. The ratio of the amount of heat required fa, raise one unit of mass of any substance t°, to the amount... | |
 | Robert Grimshaw - Steam engineering - 1888 - 418 pages
...substances have more capacity for heat than others. Q. What is the unit of measurement of specific heat i A. The amount of heat required to raise 1 Ib. of water 1° F., under certain conditions not necessary to specify here. Q. What is the specific heat of carbonic ncid... | |
 | Bryan Donkin - Air-engines - 1894 - 480 pages
...other bodies, their specific heats are expressed in fractions. For example, a heat unit represents the amount of heat required to raise 1 Ib. of water 1° F., therefore, 100 heat units will raise its temperature 100° F. The specific heat of mercury is '03332.... | |
 | Arthur Horseman Hiorns - Metallurgy - 1895 - 410 pages
...generally used. This is the heat required to raise 1 gramme of water from 0° to 1° C. The British unit is the amount of heat required to raise 1 Ib. of water 1° C. The following table is arranged in accordance with this unit : Wood charcoal, 8080 Gas carbon, 8047'3... | |
 | George Albert Wentworth, George Anthony Hill - Physics - 1898 - 184 pages
...100° are cooled down to water at 50° ? 30 (536 + 50) = 17,580 units. The unit of beat in this case is the amount of heat required to raise 1 Ib. of water 1° C. Number of calories = 17,580 x453.6 = 7,97-4,288. 34. A pound of steam at 100° is blown into 10... | |
 | Alexander Humboldt Sexton - Metallurgy - 1899 - 290 pages
...and Fahrenheit Degrees. — The calorific power is very often given in Fahrenheit or British units. The amount of heat required to raise 1 Ib. of water 1° F. is £ of that required to raise the same weight 1° C., so that 9 British units are equal to 5 Centigrade... | |
 | Charles Edward Groves, William Thorp, Thomas Richardson, Edmund Ronalds, Henry Watts, William Joseph Dibdin - Chemistry, Technical - 1900 - 386 pages
...unit of heat frequently used in this country, and known as the British Thermal Unit (BTU), represents the amount of heat required to raise 1 Ib. of water 1 ° F. in temperature. The calorific power of hydrogen under the English system, therefore, is 34,600 x £... | |
 | William Frederick Durand - Marine engineering - 1901 - 738 pages
...substance is 8 times as heavy as water. [3] Heat Unit. Heat is measured in terms of a unit denned as the amount of heat required' to raise 1 Ib. of water 1 deg. in temperature at 62 deg. Fahrenheit, or from 62 deg. to 63 deg. [4] Specific Heat. The specific... | |
 | Henry O'Connor - Gas manufacture and works - 1901 - 498 pages
...engine at the end of its crank shaft or rim of flywheel. Unit of heat, or British Thermal Unit (BTU), is the amount of heat required to raise 1 Ib. of water 1° at 39-1° Joule's mechanical equivalent of heat equals 778 foot-pounds. To raise 1 Ib. of water 1°... | |
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Unit is the amount of heat required to raise 1 Ib. of water 1; Fahrenheit and is equal to 252 calories. 
