Hydraulics and Fluid Mechanics in ME The torque required to overcome viscous resistance of a footstep bearing is (where μ = Viscosity of the oil, N = Speed of the shaft, R = Radius of the shaft, and t = Thickness of the oil film) μπ²NR³/60t μπ²NR²/60t μπ²NR/60t μπ²NR⁴/60t μπ²NR³/60t μπ²NR²/60t μπ²NR/60t μπ²NR⁴/60t ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The water pressure per metre length on a vertical masonry wall of dam is (where w = Specific weight of the liquid, and H = Height of the liquid) wH wH/2 wH2/4 wH2/2 wH wH/2 wH2/4 wH2/2 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The mass of 2.5 m3 of a certain liquid is 2 tonnes. Its mass density is 800 kg/m3 200 kg/m3 600 kg/m3 400 kg/m3 800 kg/m3 200 kg/m3 600 kg/m3 400 kg/m3 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME If the coefficient of discharge is 0.6, then the discharge over a right angled notch is 0.417 H5/2 4.171 H5/2 7.141 H5/2 1.417 H5/2 0.417 H5/2 4.171 H5/2 7.141 H5/2 1.417 H5/2 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In order to avoid cavitation in centrifugal pumps The delivery pressure should be low The suction pressure should be low The suction pressure should be high The delivery pressure should be high The delivery pressure should be low The suction pressure should be low The suction pressure should be high The delivery pressure should be high ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The flow of water through the hole in the bottom of a wash basin is an example of Free vortex Steady flow Forced vortex Uniform flow Free vortex Steady flow Forced vortex Uniform flow ANSWER DOWNLOAD EXAMIANS APP
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