Hydraulics and Fluid Mechanics in ME Coefficient of discharge Cd is equal to (where Cc = Coefficient of contraction, Cv = Coefficient of velocity, and Cr = Coefficient of resistance) Cc/Cr Cc × Cr Cc × Cv Cv × Cr Cc/Cr Cc × Cr Cc × Cv Cv × Cr ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The cavitation in reaction turbines is avoided, to a great extent by Installing the turbine below the tail race level Using stainless steel runner of the turbine All of these Providing highly polished blades to the runner Installing the turbine below the tail race level Using stainless steel runner of the turbine All of these Providing highly polished blades to the runner ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The discharge through a large rectangular orifice is given by (where H1 = Height of the liquid above the top of the orifice, H2 = Height of the liquid above the bottom of the orifice, b = Breadth of the orifice, and Cd = Coefficient of discharge) Q = (2/3) Cd × b × √(2g) × (H22 - H12) Q = (2/3) Cd × b × √(2g) × (H2 - H1) Q = (2/3) Cd × b × √(2g) × (H23/2 - H13/2) Q = (2/3) Cd × b × √(2g) × (H21/2 - H11/2) Q = (2/3) Cd × b × √(2g) × (H22 - H12) Q = (2/3) Cd × b × √(2g) × (H2 - H1) Q = (2/3) Cd × b × √(2g) × (H23/2 - H13/2) Q = (2/3) Cd × b × √(2g) × (H21/2 - H11/2) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The power produced by the reaction turbine is ________ to the head of water. 4th power None of these Directly proportional Inversely proportional 4th power None of these Directly proportional Inversely proportional ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Viscosity of water in comparison to mercury is Higher Higher/lower depending on temperature Same Lower Higher Higher/lower depending on temperature Same Lower ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The continuity equation is connected with Compressibility of fluids Steady/unsteady flow Conservation of mass Open channel/pipe flow Compressibility of fluids Steady/unsteady flow Conservation of mass Open channel/pipe flow ANSWER DOWNLOAD EXAMIANS APP
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