Hydraulics and Fluid Mechanics in ME The velocity distribution for laminar flow through a circular tube is constant over the cross-section varies parabolically with maximum at the centre None of these varies linearly from zero at walls to maximum at centre is constant over the cross-section varies parabolically with maximum at the centre None of these varies linearly from zero at walls to maximum at centre ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In a reaction turbine, the draft tube is used To prevent air to enter the turbine To run the turbine full To transport water to downstream To increase the head of water by an amount equal to the height of the runner outlet above the tail race To prevent air to enter the turbine To run the turbine full To transport water to downstream To increase the head of water by an amount equal to the height of the runner outlet above the tail race 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 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 3 meters of water column 6 meters of water Column ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Coefficient of discharge for a totally submerged orifice as compared to that for an orifice discharging free is slightly less nearly half slightly more equal slightly less nearly half slightly more equal ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The force exerted by a moving fluid on an immersed body is directly proportional to the rate of change of momentum due to the presence of the body. This statement is called Newton's law of resistance Newton's law of cooling Newton's law of viscosity Newton's law of motion Newton's law of resistance Newton's law of cooling Newton's law of viscosity Newton's law of motion ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME An air vessel is provided at the summit in a siphon to Increase velocity Maintain pressure difference Increase discharge Avoid interruption in the flow Increase velocity Maintain pressure difference Increase discharge Avoid interruption in the flow ANSWER DOWNLOAD EXAMIANS APP