Hydraulics and Fluid Mechanics in ME The efficiency of a Pelton wheel working under constant head ________ with the increase in power. Decreases None of these Increases Remain same Decreases None of these Increases Remain same ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Property of a fluid by which its own molecules are attracted is called viscosity cohesion compressibility adhesion viscosity cohesion compressibility adhesion ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A centrifugal pump will start delivering liquid only when the pressure rise in the impeller is equal to the Kinetic head Static head Manometric head Velocity head Kinetic head Static head Manometric head Velocity head 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 For hydro-dynamically smooth boundary, the friction coefficient for turbulent flow is dependent on relative roughness only a function of Reynolds number and relative roughness dependent only on Reynolds number constant dependent on relative roughness only a function of Reynolds number and relative roughness dependent only on Reynolds number constant 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 r2/4 ρ ω2 r2/2 2ρ ω2 r2 ρ ω2 r2 ρ ω2 r2/4 ρ ω2 r2/2 2ρ ω2 r2 ρ ω2 r2 ANSWER DOWNLOAD EXAMIANS APP
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