engineering recuitment BHEL Engineer Trainee Mock Test 2025 Fluid Mechanics Turbomachinery Reaction Turbine
Draft tube at the exit of a reaction turbine used for the hydroelectric project is __________.
1
above or below the water surface, depends on unit speed of the turbine
2
always above the water surface
3
always immersed in water
4
may either be below or above the water surface