Hydraulics and Fluid Mechanics in ME Mechanical efficiency of a centrifugal pump is the ratio of 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 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 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The speed of an imaginary turbine, identical with the given turbine, which will develop a unit power under a unit head, is known as Unit speed None of these Normal speed Specific speed Unit speed None of these Normal speed Specific speed ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The number of buckets on the periphery of a Pelton wheel is given by (D/2d) + 5 (D/2d) + 20 (D/2d) + 10 (D/2d) + 15 (D/2d) + 5 (D/2d) + 20 (D/2d) + 10 (D/2d) + 15 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Which of the following pump is successfully used for lifting water from deep wells? Centrifugal pump Air lift pump Reciprocating pump Jet pump Centrifugal pump Air lift pump Reciprocating pump Jet pump ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Differential manometer is used to measure Pressure in pipes, channels etc. Atmospheric pressure Very low pressure Difference of pressure between two points Pressure in pipes, channels etc. Atmospheric pressure Very low pressure Difference of pressure between two points ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Discharge (Q) of a centrifugal pump is given by (where D = Diameter of impeller at inlet, b = Width of impeller at inlet, and Vf = Velocity of flow at inlet) Q = π.b.Vf Q = π.D.bf.V Q = π.D.Vf Q = D.b.Vf Q = π.b.Vf Q = π.D.bf.V Q = π.D.Vf Q = D.b.Vf ANSWER DOWNLOAD EXAMIANS APP