Hydraulics and Fluid Mechanics in ME If V1 and V2 are the velocities of water at inlet and outlet of the draft tube respectively, then the efficiency of a draft tube is (V1 - V2) / V1 (V1² - V2²) / V1² V1² / (V1² - V2²) V1 / (V1 - V2) (V1 - V2) / V1 (V1² - V2²) / V1² V1² / (V1² - V2²) V1 / (V1 - V2) 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. None of these Decreases Remain same Increases None of these Decreases Remain same Increases ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME An orifice is said to be large, if The size of orifice is large The velocity of flow is large The available head of liquid is less than 5 times the height of orifice The available head of liquid is more than 5 times the height of orifice The size of orifice is large The velocity of flow is large The available head of liquid is less than 5 times the height of orifice The available head of liquid is more than 5 times the height of orifice ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The fluid forces considered in the Navier Stokes equation are pressure, viscous and turbulent gravity, pressure and turbulent gravity, pressure and viscous gravity, viscous and turbulent pressure, viscous and turbulent gravity, pressure and turbulent gravity, pressure and viscous gravity, viscous and turbulent ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The velocity of jet of water traveling out of opening in a tank filled with water is proportional to h² V/T Head of water (h) h/2 h² V/T Head of water (h) h/2 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The maximum hydraulic efficiency of an impulse turbine is (where φ = Angle of blade tip at outlet) (1 - cos φ)/2 (1 + sin φ)/2 (1 - sin φ)/2 (1 + cos φ)/2 (1 - cos φ)/2 (1 + sin φ)/2 (1 - sin φ)/2 (1 + cos φ)/2 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS