engineering recuitment HPCL Engineer Mock Test 2024 Power Engineering Renewable and Non-Renewable Energy
In a horizontal wind mill, the wind velocity at the entrance and the exit velocity are found to be 40 m/s and 20 m/s respectively. If the length of the blades is 20 m, the power extracted from the rotor in MW will be
1
2.16π
2
6.48π
3
8.64π
4
4.32π