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)1/4 d = (D⁵/8fl)1/2 d = (D⁵/8fl)1/3 d = (D⁵/8fl)1/5 d = (D⁵/8fl)1/4 d = (D⁵/8fl)1/2 d = (D⁵/8fl)1/3 d = (D⁵/8fl)1/5 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The buoyancy depends upon the Viscosity of the liquid Pressure with which the liquid is displaced Compressibility of the liquid Weight of the liquid displaced Viscosity of the liquid Pressure with which the liquid is displaced Compressibility of the liquid Weight of the liquid displaced ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Cavitation is caused by weak material high velocity low pressure high pressure weak material high velocity low pressure high pressure ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A piece of metal of specific gravity 7 floats in mercury of specific gravity 13.6. What fraction of its volume is under mercury ? 0.4 0.5 0.5 0.515 0.4 0.5 0.5 0.515 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In a venturi-flume, the flow takes place at Gauge pressure None of these Atmospheric pressure Absolute pressure Gauge pressure None of these Atmospheric pressure Absolute pressure ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Air vessels in reciprocating pump are used to Increase pump efficiency Reduce acceleration to minimum Save pump from cavitations Smoothen flow Increase pump efficiency Reduce acceleration to minimum Save pump from cavitations Smoothen flow ANSWER DOWNLOAD EXAMIANS APP
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