Hydraulics & Fluid Mechanics For a sphere of radius 15 cm moving with a uniform velocity of 2 m/sec through a liquid of specific gravity 0.9 and dynamic viscosity 0.8 poise, the Reynolds number will be 337.5 600 675 300 337.5 600 675 300 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics Free surface of a liquid tends to contract to the smallest possible area due to force of friction surface tension cohesion viscosity friction surface tension cohesion viscosity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics Select the correct statement A barometer reads the difference be-tween local and standard atmospheric pressure Local atmospheric pressure depends upon elevation of locality only Standard atmospheric pressure is the mean local atmospheric pressure a* sea level Local atmospheric pressure is always below standard atmospheric pressure A barometer reads the difference be-tween local and standard atmospheric pressure Local atmospheric pressure depends upon elevation of locality only Standard atmospheric pressure is the mean local atmospheric pressure a* sea level Local atmospheric pressure is always below standard atmospheric pressure ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The discharge over a broad crested weir is maximum when the depth of flow is (where H is the available head) 2 H/3 2 H/5 H/3 H/2 2 H/3 2 H/5 H/3 H/2 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The Prartdtl mixing length is maximum at the pipe wall None of these independent of shear stress zero at the pipe wall maximum at the pipe wall None of these independent of shear stress zero at the pipe wall ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The line of action of the buoyant force acts through the centroid of the submerged body displaced volume of the fluid volume of the fluid vertically above the body volume of the floating body submerged body displaced volume of the fluid volume of the fluid vertically above the body volume of the floating body ANSWER DOWNLOAD EXAMIANS APP
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