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 × Cr Cc × Cv Cc/Cr Cv × Cr Cc × Cr Cc × Cv Cc/Cr Cv × Cr ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The runaway speed of a hydraulic turbine is the speed At which there will be no damage to the runner Corresponding to maximum overload permissible At full load At which the turbine will run freely without load At which there will be no damage to the runner Corresponding to maximum overload permissible At full load At which the turbine will run freely without load 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 Remain same Decreases None of these Increases Remain same Decreases None of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The property of a liquid which offers resistance to the movement of one layer of liquid over another adjacent layer of liquid, is called Viscosity Surface tension Capillarity Compressibility Viscosity Surface tension Capillarity Compressibility ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The increase in pressure at the outer edge of a drum of radius (r) completely filled up with liquid of density (ρ) and rotating at (ω) rad/s is ρ ω2 r2 2ρ ω2 r2 ρ ω2 r2/2 ρ ω2 r2/4 ρ ω2 r2 2ρ ω2 r2 ρ ω2 r2/2 ρ ω2 r2/4 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME For very great pressures, viscosity of moss gases and liquids remains same shows erratic behaviour decreases increases remains same shows erratic behaviour decreases increases ANSWER DOWNLOAD EXAMIANS APP
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