Hydraulics and Fluid Mechanics in ME According to equation of continuity, a1v1 = a2v2 a1/v1 = a2/v2 w1a1 = w2a2 w1v1 = w2v2 a1v1 = a2v2 a1/v1 = a2/v2 w1a1 = w2a2 w1v1 = w2v2 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The velocity distribution for laminar flow through a circular tube None of these is constant over the cross-section varies linearly from zero at walls to maximum at centre varies parabolically with maximum at the centre None of these is constant over the cross-section 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 The specific speed (Ns) of a centrifugal pump is given by (N√Q)/H (N√Q)/H3/4 (N√Q)/H2/3 (N√Q)/H5/4 (N√Q)/H (N√Q)/H3/4 (N√Q)/H2/3 (N√Q)/H5/4 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME According to fan laws, for the fans having constant wheel diameters, the power demand varies Square of fan speed Square root of fan speed Cube of fan speed Directly as fan speed Square of fan speed Square root of fan speed Cube of fan speed Directly as fan speed 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 speed ratio in case of Francis turbine varies from 0.4 to 0.5 0.6 to 0.9 1 to 1.5 0.15 to 0.3 0.4 to 0.5 0.6 to 0.9 1 to 1.5 0.15 to 0.3 ANSWER DOWNLOAD EXAMIANS APP