Hydraulics and Fluid Mechanics in ME When the water level on the downstream side of a weir is above the top surface of a weir, the weir is known as Submerged weir Narrow-crested weir Broad-crested weir Ogee weir Submerged weir Narrow-crested weir Broad-crested weir Ogee weir 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 wH2/2 wH2/4 wH wH/2 wH2/2 wH2/4 ANSWER DOWNLOAD EXAMIANS APP
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 μπ²NR/60t μπ²NR⁴/60t μπ²NR²/60t μπ²NR³/60t μπ²NR/60t μπ²NR⁴/60t μπ²NR²/60t ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The unit of dynamic viscosity in S.I. units is N-s/m² N-m/s² Stoke Poise N-s/m² N-m/s² Stoke Poise ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When a body is placed over a liquid, it will sink down if Gravitational force is more than the up-thrust of the liquid Gravitational force is less than the up-thrust of the liquid Gravitational force is equal to the up-thrust of the liquid None of these Gravitational force is more than the up-thrust of the liquid Gravitational force is less than the up-thrust of the liquid Gravitational force is equal to the up-thrust of the liquid None of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME If the atmospheric pressure on the surface of an oil tank (sp. gr. 0.8) is 0.2 kg/cm”, the pressure at a depth of 50 m below the oil surface will be 2 meters of water column 3 meters of water column 6 meters of water Column 5 meters of water column 2 meters of water column 3 meters of water column 6 meters of water Column 5 meters of water column ANSWER DOWNLOAD EXAMIANS APP
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