Hydraulics and Fluid Mechanics in ME Mechanical efficiency of a centrifugal pump is the ratio of 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 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 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A Pelton wheel working under a constant head and discharge, has maximum efficiency when the speed ratio is 0.36 0.56 0.46 0.26 0.36 0.56 0.46 0.26 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Capillary action is due to the Adhesion of the liquid molecules and the molecules on the surface of a solid All of the listed here Cohesion of the liquid Surface tension Adhesion of the liquid molecules and the molecules on the surface of a solid All of the listed here Cohesion of the liquid Surface tension ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Coefficient of resistance is the ratio of Actual discharge through an orifice to the theoretical discharge Area of jet at vena-contracta to the area of orifice Actual velocity of jet at vena-contracta to the theoretical velocity Loss of head in the orifice to the head of water available at the exit of the orifice Actual discharge through an orifice to the theoretical discharge Area of jet at vena-contracta to the area of orifice Actual velocity of jet at vena-contracta to the theoretical velocity Loss of head in the orifice to the head of water available at the exit of the orifice ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In a reaction turbine, the draft tube is used To transport water to downstream To run the turbine full 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 transport water to downstream To run the turbine full 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 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Reynolds number is significant in All of these full immersion or completely enclosed flow, as with pipes, aircraft wings, nozzles etc simultaneous motion through two fluids where there is a surface of dis-continuity, gravity forces, and wave making effect, as with ship’s hulls supersonics, as with projectile and jet propulsion All of these full immersion or completely enclosed flow, as with pipes, aircraft wings, nozzles etc simultaneous motion through two fluids where there is a surface of dis-continuity, gravity forces, and wave making effect, as with ship’s hulls supersonics, as with projectile and jet propulsion ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS