

MCQOPTIONS
Saved Bookmarks
1. |
If the energy present in a jet of water of 20 cm diameter and having a velocity of 25 m/s could be extracted by a device with 90% efficiency, the power extracted would be nearly \(\left( {taking\frac{1}{{2g}} = 0.051\frac{{\sec 2}}{m}} \right)\) |
A. | 180 kW |
B. | 255 kW |
C. | 260 kW |
D. | 300 kW |
Answer» C. 260 kW | |