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 ? 0.5 0.4 0.5 0.515 0.5 0.4 0.5 0.515 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Working principle of dead weight pressure gauge tester is based on Avogadro’s hypothesis Newton’s law of viscosity Pascal’s law Dalton’s law of partial pressure Avogadro’s hypothesis Newton’s law of viscosity Pascal’s law Dalton’s law of partial pressure ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A Piezometer tube is used only for measuring Moderate pressure Vacuum pressure High pressure Low pressure Moderate pressure Vacuum pressure High pressure Low pressure 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 3 meters of water column 6 meters of water Column 2 meters of water column 5 meters of water column 3 meters of water column 6 meters of water Column 2 meters of water column 5 meters of water column ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Mechanical efficiency of a centrifugal pump is the ratio of Energy available at the impeller to the energy supplied to the pump by the prime mover Manometric head to the energy supplied by the impeller per kN of water Energy supplied to the pump to the energy available at the impeller Actual work-done by the pump to the energy supplied to the pump by the prime mover Energy available at the impeller to the energy supplied to the pump by the prime mover Manometric head to the energy supplied by the impeller per kN of water Energy supplied to the pump to the energy available at the impeller Actual work-done by the pump to the energy supplied to the pump by the prime mover ANSWER DOWNLOAD EXAMIANS APP
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
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