Calculate the efficiency of an engine whose working substance absorbs 3000 J of heat from the source and rejects 2000 J of heat to the sink.

Calculate the efficiency of an engine whose working substance absorbs

1.	Calculate the efficiency of an engine whose working substance absorbs 3000 J of heat from the source and rejects 2000 J of heat to the sink.
Answer» <html><body><p></p>Solution :Heat <a href="https://interviewquestions.tuteehub.com/tag/absorbed-846166" style="font-weight:bold;" target="_blank" title="Click to know more about ABSORBED">ABSORBED</a> from the <a href="https://interviewquestions.tuteehub.com/tag/soure-3050929" style="font-weight:bold;" target="_blank" title="Click to know more about SOURE">SOURE</a> `= Q_(1) = 3000 J` <br/> Heat rejected to the <a href="https://interviewquestions.tuteehub.com/tag/sink-1210432" style="font-weight:bold;" target="_blank" title="Click to know more about SINK">SINK</a>` = Q_(2) = 2000 J` <br/> Efficiency `= <a href="https://interviewquestions.tuteehub.com/tag/eta-446786" style="font-weight:bold;" target="_blank" title="Click to know more about ETA">ETA</a> ( Q_(1) - Q_(2))/( Q_(2))= ( 3000 - 2000)/( 2000) = 0.5 = <a href="https://interviewquestions.tuteehub.com/tag/50-322056" style="font-weight:bold;" target="_blank" title="Click to know more about 50">50</a>%`</body></html>