Hydraulics & Fluid Mechanics At the centre line of a pipe flowing under pressure where the velocity gradient is zero, the shear stress will be negative value minimum could be any value maximum negative value minimum could be any value maximum ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The continuity equation pi V,A,= p2V2A2 is based on the following assumption regarding flow of fluid (where pi and p2 are mass densities.) frictionless flow uniform flow incompressible flow steady flow frictionless flow uniform flow incompressible flow steady flow ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The discharge through a V- notch varies as H5’4 where H is head. H5/2 H3’2 H1/2 H5’4 where H is head. H5/2 H3’2 H1/2 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics A perfect gas is of theoretical interest is incompressible None of these has constant viscosity is of theoretical interest is incompressible None of these has constant viscosity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The surface tension of mercury at normal temperature compared to that of water is same more or less depending on size of glass tube more less same more or less depending on size of glass tube more less ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics Normal depth in open channel flow is the depth of flow corresponding to uniform flow Steady flow laminar flow unsteady flow uniform flow Steady flow laminar flow unsteady flow ANSWER DOWNLOAD EXAMIANS APP
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