Hydraulics and Fluid Mechanics in ME In a Francis turbine runner, the numbers of blades are generally between 8 to 16 4 to 8 2 to 4 16 to 24 8 to 16 4 to 8 2 to 4 16 to 24 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The function of guide vanes in a reaction turbine is to All of the listed here Allow the water to flow over them, without forming eddies Allow the required quantity of water to enter the turbine Allow the water to enter the runner without shock All of the listed here Allow the water to flow over them, without forming eddies Allow the required quantity of water to enter the turbine Allow the water to enter the runner without shock ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME According to Chezy's formula, the discharge through an open channel is (where A = Area of flow, C = Chezy's constant, m = Hydraulic mean depth, and i = Uniform slope in bed) AC × √(m × i) mi × √(A × C) A × √(m × i) C × √(m × i) AC × √(m × i) mi × √(A × C) A × √(m × i) C × √(m × i) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME For hydro-dynamically smooth boundary, the friction coefficient for turbulent flow is dependent only on Reynolds number constant a function of Reynolds number and relative roughness dependent on relative roughness only dependent only on Reynolds number constant a function of Reynolds number and relative roughness dependent on relative roughness only ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME For starting an axial flow pump, its delivery valve should be Closed Depends on starting condition and flow desired Open Could be either open or closed Closed Depends on starting condition and flow desired Open Could be either open or closed ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The theoretical velocity of jet at vena contracta is (where H = Head of water at vena contracta) 2gH √(2gh) H × √(2g) 2g × √H 2gH √(2gh) H × √(2g) 2g × √H ANSWER DOWNLOAD EXAMIANS APP
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