Hydraulics and Fluid Mechanics in ME The maximum hydraulic efficiency of an impulse turbine is (where φ = Angle of blade tip at outlet) (1 + sin φ)/2 (1 - cos φ)/2 (1 + cos φ)/2 (1 - sin φ)/2 (1 + sin φ)/2 (1 - cos φ)/2 (1 + cos φ)/2 (1 - sin φ)/2 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The efficiency of a Pelton wheel working under constant head ________ with the increase in power. Increases None of these Remain same Decreases Increases None of these Remain same Decreases ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When the water level on the downstream side of a weir is above the top surface of a weir, the weir is known as Submerged weir Narrow-crested weir Broad-crested weir Ogee weir Submerged weir Narrow-crested weir Broad-crested weir Ogee weir ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Unit of surface tension is Energy/unit area Velocity/unit area Both of the above It has no units Energy/unit area Velocity/unit area Both of the above It has no units ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The coefficient of discharge for an external mouthpiece is 0.855 0.5 0.707 0.375 0.855 0.5 0.707 0.375 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In a footstep bearing, if the radius of the shaft is doubled, then the torque required to overcome the viscous resistance will be Eight times Sixteen times Four times Double Eight times Sixteen times Four times Double ANSWER DOWNLOAD EXAMIANS APP