engineering recuitment BPSC AE Mock Test 2025 Fluid Mechanics Dimensional and Model Analysis Froude Model Law
The model of a propeller, 3 m diameter, cruising at 10 m/s in air, is tested in a wind tunnel on a 1 : 10 scale model. If thrust of 50 N is measured on the model at 5 m/s wind speed, then thrust on prototype will be
1
20000 N
2
2000 N
3
5000 N
4
500 N