Hydraulics and Fluid Mechanics in ME If V1 and V2 are the velocities of water at inlet and outlet of the draft tube respectively, then the efficiency of a draft tube is (V1 - V2) / V1 V1² / (V1² - V2²) V1 / (V1 - V2) (V1² - V2²) / V1² (V1 - V2) / V1 V1² / (V1² - V2²) V1 / (V1 - V2) (V1² - V2²) / V1² 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.Vf Q = D.b.Vf Q = π.D.bf.V Q = π.b.Vf Q = π.D.Vf Q = D.b.Vf Q = π.D.bf.V ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The discharge over a triangular notch is Directly proportional to H5/2 Directly proportional to H3/2 Inversely proportional to H5/2 Inversely proportional to H3/2 Directly proportional to H5/2 Directly proportional to H3/2 Inversely proportional to H5/2 Inversely proportional to H3/2 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Geometric similarity is said to exist between the model and the prototype, if both of them Have identical velocities Are identical in shape, but differ only in size Have identical forces Are equal in size and shape Have identical velocities Are identical in shape, but differ only in size Have identical forces Are equal in size and shape ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The angle of taper on draft tube is Greater than 5° Less than 8° Greater than 15° Greater than 8° Greater than 5° Less than 8° Greater than 15° Greater than 8° ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The velocity at which the laminar flow stops, is known as Velocity of approach None of these Higher critical velocity Lower critical velocity Velocity of approach None of these Higher critical velocity Lower critical velocity ANSWER DOWNLOAD EXAMIANS APP
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