Hydraulics and Fluid Mechanics in ME A hemispherical tank of radius (R) has an orifice of cross-sectional area (a) at its bottom and is full of liquid. The time required to empty the tank completely is 14π R3/2/15Cd × a √(2g) 14π R7/2/15Cd × a √(2g) 14π R1/2/15Cd × a √(2g) 14π R5/2/15Cd × a √(2g) 14π R3/2/15Cd × a √(2g) 14π R7/2/15Cd × a √(2g) 14π R1/2/15Cd × a √(2g) 14π R5/2/15Cd × a √(2g) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The variation in the volume of a liquid with the variation of pressure is called its Viscosity Surface tension Compressibility Capillarity Viscosity Surface tension Compressibility Capillarity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The power absorbed (in watts) in overcoming the viscous resistance of a footstep bearing is μ π³ N² R² /3600 t μ π³ N² R⁴ /3600 t μ π³ N² R² /1800 t μ π³ N² R⁴ /1800 t μ π³ N² R² /3600 t μ π³ N² R⁴ /3600 t μ π³ N² R² /1800 t μ π³ N² R⁴ /1800 t ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The shear stress between the two liquid layers is __________ proportional to the distance between two layers. Inversely None of these Both A and B Directly Inversely None of these Both A and B Directly ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The relation between hydraulic efficiency (ηh), mechanical efficiency (ηm) and overall efficiency (ηo) is ηo = ηh × ηm ηm = ηm × ηh ηh = ηo × ηm None of these ηo = ηh × ηm ηm = ηm × ηh ηh = ηo × ηm None of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The upper surface of a weir over which water flows is known is sill weir top nappe crest sill weir top nappe crest ANSWER DOWNLOAD EXAMIANS APP
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