Hydraulics and Fluid Mechanics in ME A Pelton wheel develops 1750 kW under a head of 100 meters while running at 200 r.p.m. and discharging 2500 liters of water per second. The unit discharge of wheel is 0.25 m3/s 1.5 m3/s 0.5 m3/s 2.5 m3/s 0.25 m3/s 1.5 m3/s 0.5 m3/s 2.5 m3/s 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 ? 0.4 0.5 0.5 0.515 0.4 0.5 0.5 0.515 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The velocity distribution for laminar flow through a circular tube is constant over the cross-section None of these varies linearly from zero at walls to maximum at centre varies parabolically with maximum at the centre is constant over the cross-section None of these varies linearly from zero at walls to maximum at centre varies parabolically with maximum at the centre ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Which of the following pump is preferred for flood control and irrigation applications? Centrifugal pump Mixed flow pump Axial flow pump Reciprocating pump Centrifugal pump Mixed flow pump Axial flow pump Reciprocating pump ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Kinematic similarity is said to exist between the model and the prototype, if both of them Have identical velocities Are equal in size and shape Are identical in shape, but differ only in size Have identical forces Have identical velocities Are equal in size and shape Are identical in shape, but differ only in size Have identical forces ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The discharge of a double acting reciprocating pump is (where L = Length of stroke, A = Cross-sectional area of piston, and N = Speed of crank in r.p.m.) L.A.N 2 L.A.N (2 L.A.N)/60 (L.A.N)/60 L.A.N 2 L.A.N (2 L.A.N)/60 (L.A.N)/60 ANSWER DOWNLOAD EXAMIANS APP
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