Hydraulics & Fluid Mechanics The discharge over a broad crested weir is maximum when the depth of flow is (where H is the available head) H/3 H/2 2 H/3 2 H/5 H/3 H/2 2 H/3 2 H/5 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics A perfect gas has constant viscosity is incompressible None of these is of theoretical interest has constant viscosity is incompressible None of these is of theoretical interest ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The Prartdtl mixing length is None of these independent of shear stress maximum at the pipe wall zero at the pipe wall None of these independent of shear stress maximum at the pipe wall zero at the pipe wall ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The distance from pipe boundary, at which the turbulent shear stress is one-third die wall shear stress, is (where R is the radius of pipe) 1/2 R 3/4 R 1/3 R 2/3 R 1/2 R 3/4 R 1/3 R 2/3 R ANSWER DOWNLOAD EXAMIANS APP
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 total pressure force on a plane area is equal to the area multiplied by the intensity of pressure at the centriod, if the area is horizontal All of these the area is inclined the area is vertical the area is horizontal All of these the area is inclined the area is vertical ANSWER DOWNLOAD EXAMIANS APP
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