Hydraulics and Fluid Mechanics in ME The torque required to overcome viscous resistance of a collar bearing is (where R1 and R2 = External and internal radius of collar) μπ²N/60t) × (R₁³ - R₂³) (μπ²N/60t) × (R₁⁴ - R₂⁴) (μπ²N/60t) × (R₁² - R₂²) (μπ²N/60t) × (R₁ - R₂) μπ²N/60t) × (R₁³ - R₂³) (μπ²N/60t) × (R₁⁴ - R₂⁴) (μπ²N/60t) × (R₁² - R₂²) (μπ²N/60t) × (R₁ - R₂) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Which of the following turbine is preferred for a specific speed of 60 to 300 r.p.m.? Pelton wheel Francis turbine Kaplan turbine None of these Pelton wheel Francis turbine Kaplan turbine None of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The total energy line lies over the hydraulic gradient line by an amount equal to the Velocity head Pressure head + velocity head Pressure head Pressure head - velocity head Velocity head Pressure head + velocity head Pressure head Pressure head - velocity head ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A vertical wall is subjected to a pressure due to one kind of liquid, on one of its sides. The total pressure on the wall acts at a distance __________ from the liquid surface. H/2 2H/3 3H/4 H/3 H/2 2H/3 3H/4 H/3 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The conditions for the stable equilibrium of a floating body are a righting couple should be formed the center of buoyancy and the center of gravity must lie on the same vertical line the meta-center should lie above the center of gravity all the above are correct a righting couple should be formed the center of buoyancy and the center of gravity must lie on the same vertical line the meta-center should lie above the center of gravity all the above are correct ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Which place in hydraulic turbine is most susceptible for cavitations? Guide blade Penstock Inlet of draft rube Blade inlet Guide blade Penstock Inlet of draft rube Blade inlet ANSWER DOWNLOAD EXAMIANS APP