Hydraulics and Fluid Mechanics in ME In a reaction turbine, the draft tube is used To run the turbine full To transport water to downstream To prevent air to enter the turbine To increase the head of water by an amount equal to the height of the runner outlet above the tail race To run the turbine full To transport water to downstream To prevent air to enter the turbine 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 Medium specific speed of a pump implies it is Axial flow pump Mixed flow pump Any one of the above Centrifugal pump Axial flow pump Mixed flow pump Any one of the above Centrifugal pump ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A Francis turbine is used when the available head of water is None of these Above 250 m 25 m to 250 m 0 to 25 m None of these Above 250 m 25 m to 250 m 0 to 25 m ANSWER DOWNLOAD EXAMIANS APP
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 0.515 0.5 0.4 0.5 0.515 0.5 0.4 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The flow rate in gear pump Decreases with increase in pressure Unpredictable Increases with increase in pressure More or less remains constant with increase in pressure Decreases with increase in pressure Unpredictable Increases with increase in pressure More or less remains constant with increase in pressure ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Which of the following turbine is preferred for a specific speed of 60 to 300 r.p.m.? None of these Kaplan turbine Pelton wheel Francis turbine None of these Kaplan turbine Pelton wheel Francis turbine ANSWER DOWNLOAD EXAMIANS APP
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