 | Sir George Charles Vincent Holmes - 1888 - 564 σελίδες
...preceding chapter. First Law of Thermodynamics. — Heat and mechanical energy are mutually convertible. A unit of heat requires for its production, and produces by its disappearance, a fixed amount of mechanical energy. British unit of heat. — The unit of heat used in this country... | |
 | William R. Maguire - 1890 - 460 σελίδες
...and impact of the atoms. Heat is measured in this country by a standard unit, viz. the amount of heat required to raise the temperature of a pound of water...of work. One pound of coal is estimated to contain thirteen thousand units of heat, or more than ten million units of work, or foot-pounds. If it were... | |
 | National Tube Co - 1902 - 362 σελίδες
...Mechanical equivalent of heat. — Heat energy and mechanical energy are mutually convertible, that is, a unit of heat requires for its production, and produces by its disappearance, a definite amount of mechanical energy, namely, 778 foot-pounds of work for each British thermal unit.... | |
 | George James Wells, A. J. Wallis- Tayler - 1915 - 332 σελίδες
...First Law of Thermo-dynamics is that — Jfcat and mechanical fiwri/y an: muliia-lly convertible. A unit of heat requires, for its production, and produces by its disappearance, a definite and constant quantity of mechanical cnr-iyi/. Work. — The simplest possible example of... | |
 | George James Wells, Alexander James Wallis-Tayler - 1924 - 380 σελίδες
...the First Law of Thermo-dynamics is that — Heat and mechanical energy are mutually convertible. A unit of heat requires, for its production, and produces by its disappearance, a definite and constant quantity of mechanical energy. Work. — The simplest possible example of doing... | |
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... particles or atoms of any substance are caused to move round and round each other,' or backwards and forwards with increased velocity, heat increases in proportion to the velocity of the movement and impact of the atoms. Heat is measured in this country... 