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1. |
If a jet of water of area ‘A’ strikes with velocity ‘V’ a series of flat plates mounted on a wheel of mean diameter D rotating at N rpm, then force exerted will be equal to |
A. | \(\frac{{\rho A{V^2}}}{g}\) |
B. | \(\rho AV\left( {V - \frac{{\pi DN}}{{60}}} \right)\) |
C. | \(\frac{{\rho A}}{g} \times \frac{{\pi DN}}{{60}}\) |
D. | \(\rho A\left( {V - \frac{{\pi DN}}{{60}}} \right)\) |
Answer» C. \(\frac{{\rho A}}{g} \times \frac{{\pi DN}}{{60}}\) | |