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CBSE Class 11-science Answered

State the conditions which must be fulfilled to utilize heat into useful work.
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
Expert Answer

Following conditions must be fulfilled to utilize heat for a useful work:

(i)  A device called engine with a working substance is essential.

(ii)  The engine must work in a reversible cyclic process.

(iii)  The engine must operate between two temperatures.  It will absorb heat from a hot body ( called the source), convert a part of it into useful work and reject the rest to a cold body (called the sink).

 

Answered by | 04 Jun, 2014, 03:23: PM
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