A) 3 / 5
B) 1 / 3
C) 2 / 3
D) 200 / 209
Correct Answer: C
Solution :
\[\eta =1-\frac{{{T}_{2}}}{{{T}_{1}}}\] \[\therefore \] \[\eta =1-\frac{(27+273)}{(273+627)}\] \[=1-\frac{300}{900}=\frac{600}{900}=\frac{2}{3}\]You need to login to perform this action.
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