Hydraulics and Fluid Mechanics in ME The distance y from pipe boundary, at which the point velocity is equal to average velocity for turbulent flow, is (where R is radius of pipe) 0.423 R 0.707 R 0.223 R 0.577 R 0.423 R 0.707 R 0.223 R 0.577 R ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Centre of buoyancy always coincides with the centroid of the volume of fluid displaced remains above the centre of gravity coincides with the centre of gravity remains below the centre of gravity coincides with the centroid of the volume of fluid displaced remains above the centre of gravity coincides with the centre of gravity remains below the centre of gravity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME For small discharge at high pressure, following pump is preferred Centrifugal Reciprocating Mixed flow Axial flow Centrifugal Reciprocating Mixed flow Axial flow ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Overall 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 Actual work-done by the pump to the energy supplied to the pump by the prime mover Energy supplied to the pump to the energy available at the impeller 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 Actual work-done by the pump to the energy supplied to the pump by the prime mover Energy supplied to the pump to the energy available at the impeller ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Which of the following statement is correct as regard to water wheels? They are suitable even for low water heads All of these They have slow speeds They give constant efficiency, even if the discharge is not constant They are suitable even for low water heads All of these They have slow speeds They give constant efficiency, even if the discharge is not constant ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The loss of head due to friction in a pipe of uniform diameter in which a viscous flow is taking place, is (where RN = Reynold number) 4/RN 64/RN 1/RN 16/RN 4/RN 64/RN 1/RN 16/RN ANSWER DOWNLOAD EXAMIANS APP
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