Hydraulics and Fluid Mechanics in ME Pressure intensifier increases the pressure in proportion to Ratio of diameters Square of inverse ratio of diameters Square of ratio of diameters Inverse ratio of diameters Ratio of diameters Square of inverse ratio of diameters Square of ratio of diameters Inverse ratio of diameters ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The discharge over a rectangular weir, considering the velocity of approach, is (whereH1 = H + Ha = Total height of water above the weir, H = Height of water over the crest of the weir, and Ha = Height of water due to velocity of approach) (2/3) Cd × L. √2g [H15/2 - Ha5/2] (2/3) Cd × L.√2g [H1 - Ha] (2/3) Cd × L.√2g [H12 - Ha2] (2/3) Cd × L. √2g [H13/2 - Ha3/2] (2/3) Cd × L. √2g [H15/2 - Ha5/2] (2/3) Cd × L.√2g [H1 - Ha] (2/3) Cd × L.√2g [H12 - Ha2] (2/3) Cd × L. √2g [H13/2 - Ha3/2] ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Mechanical efficiency of a centrifugal pump is the ratio of Energy supplied to the pump to the energy available at the impeller Manometric head to the energy supplied by the impeller per kN of water Actual work-done by the pump to the energy supplied to the pump by the prime mover Energy available at the impeller to the energy supplied to the pump by the prime mover Energy supplied to the pump to the energy available at the impeller Manometric head to the energy supplied by the impeller per kN of water Actual work-done by the pump to the energy supplied to the pump by the prime mover Energy available at the impeller to the energy supplied to the pump by the prime mover ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The celerity (velocity) of a pressure wave in a fluid is given by (where K = Bulk modulus, and ρ = Density of the fluid) ρ/K None of the listed here K/ρ K.ρ ρ/K None of the listed here K/ρ K.ρ ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When a piping system is made up primarily of friction head and very little of vertical lift, then pump characteristics should be Horizontal Steep Nearly horizontal First rise and then fall Horizontal Steep Nearly horizontal First rise and then fall ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In a reaction turbine, the draft tube is used To run the turbine full To prevent air to enter the turbine To transport water to downstream To increase the head of water by an amount equal to the height of the runner outlet above the tail race To run the turbine full To prevent air to enter the turbine To transport water to downstream To increase the head of water by an amount equal to the height of the runner outlet above the tail race ANSWER DOWNLOAD EXAMIANS APP