engineering recuitment HAL Management & Design Trainee Mock Test 2023 Fluid Mechanics Turbomachinery Impulse Turbine
For a given design of bucket, if 'u' is the velocity of the bucket and 'V1' is the velocity of the jet, then the ratio 'u/V1' for the efficiency of a Pelton wheel is theoretically maximum:
1
0.75
2
0.25
3
0.5
4
1