Hydraulics and Fluid Mechanics in ME Overall efficiency of a centrifugal pump is the ratio of Energy supplied to the pump to the energy available at the impeller Energy available at the impeller to the energy supplied to the pump by the prime mover Actual work-done by the pump to the energy supplied to the pump by the prime mover Manometric head to the energy supplied by the impeller per kN of water Energy supplied to the pump to the energy available at the impeller Energy available at the impeller to the energy supplied to the pump by the prime mover Actual work-done by the pump to the energy supplied to the pump by the prime mover Manometric head to the energy supplied by the impeller per kN of water ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME According to equation of continuity, w1a1 = w2a2 a1/v1 = a2/v2 a1v1 = a2v2 w1v1 = w2v2 w1a1 = w2a2 a1/v1 = a2/v2 a1v1 = a2v2 w1v1 = w2v2 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The ratio of specific weight of a liquid to the specific weight of pure water at a standard temperature is called Compressibility of liquid Specific gravity of liquid Surface tension of liquid Density of liquid Compressibility of liquid Specific gravity of liquid Surface tension of liquid Density of liquid ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The discharge through a wholly drowned orifice is given by (where H1 = Height of water (on the upstream side) above the top of the orifice, H2 = Height of water (on the downstream side) above the bottom of the orifice, and H = Difference between two water levels on either side of the orifice) Q = Cd × b (H2 - H1) × √(2gh) Q = Cd × bH2 × √(2gh) Q = Cd × bH₁ × √(2gh) Q = Cd × bH × √(2gh) Q = Cd × b (H2 - H1) × √(2gh) Q = Cd × bH2 × √(2gh) Q = Cd × bH₁ × √(2gh) Q = Cd × bH × √(2gh) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME An ideal flow of any fluid must satisfy boundary layer theory Newton’s law of viscosity Pascal law continuity equation boundary layer theory Newton’s law of viscosity Pascal law continuity equation ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Which of the following meters is not associated with viscosity Say bolt Engler Orsat Red wood Say bolt Engler Orsat Red wood ANSWER DOWNLOAD EXAMIANS APP