MCQ
A scientist says that the efficiency of his heat engine which operates at source temperature $127°C$ and sink temperature $27°C$ is $26\%$, then
- ✓It is impossible
- BIt is possible but less probable
- CIt is quite probable
- DData are incomplete
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| Column - $\mathrm{I}$ | Column - $\mathrm{II}$ |
| $(a)$ Velocity head | $(i)$ $\frac{P}{{\rho g}}$ |
| $(b)$ Pressure head | $(ii)$ $h$ |
| $(iii)$ $\frac{{{v^2}}}{{2g}}$ |