A) 20%
B) 25%
C) 30%
D) 40%
Correct Answer: B
Solution :
Efficiency \[\eta =1-\frac{{{T}_{2}}}{{{T}_{1}}}\] Given, \[{{T}_{2}}=27{}^\circ C=24+273=300K\] \[{{T}_{1}}=127{}^\circ C=127+273=400K\] \[\eta =1-\frac{3}{4}=25%\]You need to login to perform this action.
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