A textbook on mechanical and electrical engineering (1898)
International Correspondence Schools · Scranton : International Textbook Co., [1898-99] · leaf 522
nd 76 then become Z = 2.3026/^ Flog ^ (77.) and L = 2.3026 PV\og -^, (78.) in which the letters have the same meaning as before HEAT. 497 1163. Formulas 75, 76, 77, and 78 will be easier touse if the pressure be taken in pounds per square inch, and144 X 2.3026 = 331.5744 be substituted for 2.3020.… … *—i- ^ —3- -H Volumes. G h F Fig. 228. Example.—The initial volume of a body of gas which is to be com-pressed is 6.78 cu. ft. The initial pressure is 16 lb. per sq. in. If thisgas be compressed until its tension is 144 lb. per sq. in., what work willhave to be expended, the temperature being kept…
Electrical engineering · Mechanical engineering
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