A Carnot's engine extract 1.5 xx 10^(3) kilocalorie of heat from a reservoir at 627^(@)C and exhaust it to a sink maintained at 27^(@)C. How much work is performed by the engine ?

A Carnot's engine extract 1.5 xx 10^(3) kilocalorie of heat from a res

1.	A Carnot's engine extract 1.5 xx 10^(3) kilocalorie of heat from a reservoir at 627^(@)C and exhaust it to a sink maintained at 27^(@)C. How much work is performed by the engine ?
Answer» <html><body><p></p>Solution :Efficiency of <a href="https://interviewquestions.tuteehub.com/tag/carnot-413615" style="font-weight:bold;" target="_blank" title="Click to know more about CARNOT">CARNOT</a> engine `eta = 1-(T_(2))/(T_(1))` <br/> `:.` <a href="https://interviewquestions.tuteehub.com/tag/work-20377" style="font-weight:bold;" target="_blank" title="Click to know more about WORK">WORK</a> performed by engine `= (1-(T_(2))/(T_(1)))Q` <br/> `:. W = (1-(300)/(900)) xx (1.5 xx 10^(<a href="https://interviewquestions.tuteehub.com/tag/3-301577" style="font-weight:bold;" target="_blank" title="Click to know more about 3">3</a>) xx 10^(3))<a href="https://interviewquestions.tuteehub.com/tag/cal-412083" style="font-weight:bold;" target="_blank" title="Click to know more about CAL">CAL</a>` <br/> or `W = (2)/(3) xx 1.5 xx 10^(6) xx 4.2 J = 4.2 = 4.2 xx 10^(6) J` <br/> `:. W = 4.2 xx 10^(6) J`.</body></html>