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)1/4 d = (D⁵/8fl)1/2 d = (D⁵/8fl)1/5 d = (D⁵/8fl)1/3 d = (D⁵/8fl)1/4 d = (D⁵/8fl)1/2 d = (D⁵/8fl)1/5 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The viscosity of a gas is independent of pressure for very high pressure intensities increases with increase in temperature is independent of temperature decreases with increase in temperature is independent of pressure for very high pressure intensities increases with increase in temperature is independent of temperature decreases with increase in temperature ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A double overhung Pelton wheel has Two runners Two jets Four jets Four runners Two runners Two jets Four jets Four runners ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The hydraulic efficiency of an impulse turbine is the Ratio of the actual power produced by the turbine to the energy actually supplied by the turbine None of these Ratio of the actual work available at the turbine to the energy imparted to the wheel 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 None of these Ratio of the actual work available at the turbine to the energy imparted to the wheel Ratio of the work done on the wheel to the energy of the jet ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In an external mouthpiece, the absolute pressure head at vena contracta is __________ the atmospheric pressure head by an amount equal to 0.89 times the height of the liquid, above the vena contracta. None of these Less than Equal to More than None of these Less than Equal to More than ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The tendency of a liquid surface to contract is due to the following property surface tension cohesion adhesion viscosity surface tension cohesion adhesion viscosity ANSWER DOWNLOAD EXAMIANS APP
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