A) 40 %
B) 30 %
C) 60 %
D) 20 %
Correct Answer: A
Solution :
\[\Delta Q=\Delta U+\Delta W\Rightarrow \frac{\Delta W}{\Delta Q}=1-\frac{\Delta U}{\Delta Q}=1-\frac{n{{C}_{V}}dT}{n{{C}_{P}}dT}\] \[\Rightarrow \frac{\Delta W}{\Delta Q}=1-\frac{{{C}_{V}}}{{{C}_{P}}}=1-\frac{3}{5}=\frac{2}{5}=0.4\]
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