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 Unit of surface tension is It has no units Energy/unit area Velocity/unit area Both of the above It has no units Energy/unit area Velocity/unit area Both of the above ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The relation between hydraulic efficiency (ηh), mechanical efficiency (ηm) and overall efficiency (ηo) is ηh = ηo × ηm ηm = ηm × ηh ηo = ηh × ηm None of these ηh = ηo × ηm ηm = ηm × ηh ηo = ηh × ηm None of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A channel is said to be of most economical cross-section, if It involves lesser excavation for the designed amount of discharge It has minimum wetted perimeter It gives maximum discharge for a given cross-sectional area and bed slope All of these It involves lesser excavation for the designed amount of discharge It has minimum wetted perimeter It gives maximum discharge for a given cross-sectional area and bed slope All of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Which of the following is the unit of kinematic viscosity faraday poise stoke pascal faraday poise stoke pascal ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In an outward flow reaction turbine The water enters the wheel at the outer periphery and then flows towards the centre of the wheel The water enters at the centre of the wheel and then flows towards the outer periphery of the wheel The flow of water is partly radial and partly axial The water flows parallel to the axis of the wheel The water enters the wheel at the outer periphery and then flows towards the centre of the wheel The water enters at the centre of the wheel and then flows towards the outer periphery of the wheel The flow of water is partly radial and partly axial The water flows parallel to the axis of the wheel ANSWER DOWNLOAD EXAMIANS APP
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