A textbook on mechanical and electrical engineering (1898)
International Correspondence Schools · Scranton : International Textbook Co., [1898-99] · leaf 508
etc. Here, the mechanical energy necessary toovercome the friction was converted into heat. Theamount of heat obtainable from a given ainount of mechan-ical energy is always the same, and is in the proportion ofone British thermal unit to every 778 foot-pounds of Avork. 1150. A fine illustration of… … Fig. 219. passing around this wheel and a larger one turned by ahandle, as shown; the tube is three-fourths full of water, andis closed with a cork. The tube being held by the clamp 484 HEAT. and made to rotate rapidly by means of the larger wheel,considerable friction is generated, causing the…
Electrical engineering · Mechanical engineering
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