Hydraulics and Fluid Mechanics in ME A Francis turbine is used when the available head of water is 25 m to 250 m Above 250 m 0 to 25 m None of these 25 m to 250 m Above 250 m 0 to 25 m None of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Coefficient of discharge Cd is equal to (where Cc = Coefficient of contraction, Cv = Coefficient of velocity, and Cr = Coefficient of resistance) Cc × Cv Cc × Cr Cv × Cr Cc/Cr Cc × Cv Cc × Cr Cv × Cr Cc/Cr ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The hydraulic efficiency of an impulse turbine is maximum when velocity of wheel is _______ of the jet velocity, Double One-half Three-fourth One-fourth Double One-half Three-fourth One-fourth ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The gross or total head of the turbine is the ___________ of the water levels at the head race and tail race. None of these Difference Sum Product None of these Difference Sum Product ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When an internal mouthpiece is running free, the discharge through the mouthpiece is (where a = Area of mouthpiece, and H = Height of liquid above the mouthpiece) 0.707 a. √2gH √2gH 0.5 a. √2gH 0.855 a. √2gH 0.707 a. √2gH √2gH 0.5 a. √2gH 0.855 a. √2gH ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In order to increase sensitivity of U-tube manometer, one leg is usually inclined by angle 'θ'. Sensitivity of inclined tube to sensitivity of U-tube is equal to Cos θ 1/Cosθ 1/Sinθ Sinθ Cos θ 1/Cosθ 1/Sinθ Sinθ ANSWER DOWNLOAD EXAMIANS APP
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