A) \[20%\]
B) \[25%\]
C) \[30%\]
D) \[40%\]
Correct Answer: B
Solution :
Efficiency \[\eta =1\,-\frac{{{T}_{2}}}{{{T}_{1}}}\] Given, \[{{T}_{2}}={{27}^{o}}C=27+273=300K\] \[{{T}_{1}}={{127}^{o}}C=127+273=400K\] \[\eta =1-\frac{3}{4}=25%\]You need to login to perform this action.
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