Hydraulics and Fluid Mechanics in ME Mechanical efficiency of a centrifugal pump is the ratio of Manometric head to the energy supplied by the impeller per kN of water Energy available at the impeller to the energy supplied to the pump by the prime mover 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 Manometric head to the energy supplied by the impeller per kN of water Energy available at the impeller to the energy supplied to the pump by the prime mover 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 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The purpose of a surge tank is All of these To control the pressure variations due to rapid changes in the pipe line flow To regulate flow of water to turbines by providing necessary retarding head of water To eliminate water hammer possibilities All of these To control the pressure variations due to rapid changes in the pipe line flow To regulate flow of water to turbines by providing necessary retarding head of water To eliminate water hammer possibilities ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME During the opening of a valve in a pipe line, the flow is Uniform Steady Unsteady Laminar Uniform Steady Unsteady Laminar ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A square surface 3 m x 3 m lies in a vertical line in water pipe its upper edge at vater surface. The hydrostatic force on square surface is 27,000 kg 13,500 kg 18,000 kg 9,000 kg 27,000 kg 13,500 kg 18,000 kg 9,000 kg ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The specific speed (Ns) of a centrifugal pump is given by (N√Q)/H2/3 (N√Q)/H3/4 (N√Q)/H5/4 (N√Q)/H (N√Q)/H2/3 (N√Q)/H3/4 (N√Q)/H5/4 (N√Q)/H ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The unit of surface tension is N/m3 N/m2 N/m N-m N/m3 N/m2 N/m N-m ANSWER DOWNLOAD EXAMIANS APP
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