A text book of physics, for the use of students of science and engineering (1918)
Duncan, John, d. 1941, Starling, Sydney George, 1873- · London Macmillan · leaf 379
easured,as well as the horse-power absorbed bythe brake, thus providing data for calcu-lating the mechanical equivalent of heat.Carefully estimated corrections wereapplied. At present the best authorities employ 778 foot.-lb. as equivalentto 1 B.T.U. These numbers are called Joules mechanical… … Via. 302. -Joules calorimeter. xxvrr MECHANICAL EQUIVALENT OF HEAT 355 mechanical work equivalent to one Centigrade heat unit, i.e. to theheat required to raise the temperature of one pound of waterthrough 1° C. First law of thermodynamics.—Thermodynamics is the name givento the study of the…
Physics
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