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69. Why is the conversion of heat into work not possible without sink at lower temperature? |
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Answer» Whentemperaturesare equal,nomoreheatcan be transferred, even though the hot and cold objects still containheat. Whenheatisconverted into work, thetemperatureof theheatsource falls, approaching that of theheat sink. ... The only exception is that 100% of any useful energy can be dissipated as wasteheat.it is imposssible to have any body that can continuously converts heat into energy |
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