Hydraulics and Fluid Mechanics in ME The value of coefficient of velocity for a sharp edged orifice __________ with the head of water. Increases None of these Remain same Decreases Increases None of these Remain same Decreases ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The hydraulic efficiency of an impulse turbine is the Ratio of the work done on the wheel to the energy of the jet Ratio of the actual power produced by the turbine to the energy actually supplied by the turbine Ratio of the actual work available at the turbine to the energy imparted to the wheel None of these Ratio of the work done on the wheel to the energy of the jet Ratio of the actual power produced by the turbine to the energy actually supplied by the turbine Ratio of the actual work available at the turbine to the energy imparted to the wheel None of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The total pressure force on a plane area is equal to the area multiplied by the intensity of pressure at the Centroid, if The area is vertical The area is inclined All of these The area is horizontal The area is vertical The area is inclined All of these The area is horizontal ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When a cylindrical vessel containing liquid is resolved, the surface of the liquid takes the shape of None of these An ellipse A triangle A paraboloid None of these An ellipse A triangle A paraboloid ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The most efficient section of a channel is Trapezoidal Square Rectangular Triangular Trapezoidal Square Rectangular Triangular ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The diameter of the nozzle (d) for maximum transmission of power is given by (where D = Diameter of pipe, f = Darcy’s coefficient of friction for pipe, and l = Length of pipe) d = (D⁵/8fl)1/3 d = (D⁵/8fl)1/2 d = (D⁵/8fl)1/4 d = (D⁵/8fl)1/5 d = (D⁵/8fl)1/3 d = (D⁵/8fl)1/2 d = (D⁵/8fl)1/4 d = (D⁵/8fl)1/5 ANSWER DOWNLOAD EXAMIANS APP
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