MCQ
A Carnot engine operates between ${227^o}C$ and ${27^o}C.$ Efficiency of the engine will be
- A$0.33$
- ✓$0.4$
- C$0.75$
- D$0.6$
✓
Answer
Correct option: B.
$0.4$
b
(b) $\eta = 1 - \frac{{{T_2}}}{{{T_1}}} = 1 - \frac{{300}}{{500}} = \frac{2}{5}$
(b) $\eta = 1 - \frac{{{T_2}}}{{{T_1}}} = 1 - \frac{{300}}{{500}} = \frac{2}{5}$
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