Hydraulics and Fluid Mechanics in ME The value of friction factor ‘f’ for smooth pipes for Reynolds number 106 is approximately equal to 0.1 0.001 0.0001 0.01 0.1 0.001 0.0001 0.01 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Meta-centric height is given as the distance between The center of gravity of the body and the center of buoyancy Center of buoyancy and metacenter The center of gravity of the body and the center of pressure The center of gravity of the body and the metacenter The center of gravity of the body and the center of buoyancy Center of buoyancy and metacenter The center of gravity of the body and the center of pressure The center of gravity of the body and the metacenter ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Head developed by a centrifugal pump depends on Speed Both (A) and (B) above Impeller diameter Fluid density Speed Both (A) and (B) above Impeller diameter Fluid density ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A flow in which each liquid particle has a definite path, and the paths of individual particles do not cross each other, is called Uniform flow Turbulent flow Steady flow Streamline flow Uniform flow Turbulent flow Steady flow Streamline flow ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME According to Francis formula, the discharge over a rectangular weir is (where n = Number of end contractions) (2/3) × Cd (L - 0.1nH) × √(2g) × H3/2 (2/3) × Cd (L - nH) × √(2gh) (2/3) × Cd (L - nH) × √(2g) × H² (2/3) × Cd (L - nH) × √(2g) × H5/2 (2/3) × Cd (L - 0.1nH) × √(2g) × H3/2 (2/3) × Cd (L - nH) × √(2gh) (2/3) × Cd (L - nH) × √(2g) × H² (2/3) × Cd (L - nH) × √(2g) × H5/2 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME If a pump is handling water and is discharging a certain flow Q at a constant total dynamic head requiring a definite B.H.P., the same pump when handling a liquid of specific gravity 0.75 and viscosity nearly same as of water would discharge 0.75 Q Q/0.75 1.5 Q Same quantity of liquid 0.75 Q Q/0.75 1.5 Q Same quantity of liquid ANSWER DOWNLOAD EXAMIANS APP