How to calculate efficiency from a temperature-entropy graph?

Question

parthkohli · Answer

$$dQ = TdS$$So calculate the area under the curve for heat. To calculate the work done, just find the area enclosed by the cycle (why?)

parthkohli · Answer

samigupta8 · Answer

Is ans 1/3?

priyar · Answer

hey i didn't even tell the Q..?!

parthkohli · Answer

lmaooo 
looks like you guys are sharing the same book

parthkohli · Answer

the last time, she said something like "it's the last option" when you didn't even mention them

priyar · Answer

yeah true!!

samigupta8 · Answer

It's 13yrs last papers that she is solving n i have that ..so match ..

priyar · Answer

ok... so if you have the Q.. can you properly explain how to solve..?

priyar · Answer

coz its not completely clear to me..

samigupta8 · Answer

I did it jst as suggested by @parthkohli

priyar · Answer

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samigupta8 · Answer

Calculate area under curve to get work done..
And area under the slope i name it as AC.. Is Q supplied..
Just divide W by Q u 'll get ans..

priyar · Answer

pls explain how to find Qs for this cycle.. and where will you mark it in the graph?

priyar · Answer

@samigupta8

priyar · Answer

@ParthKohli

priyar · Answer

@ganeshie8

parthkohli · Answer

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