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 600 300 675 337.5 600 300 675 337.5 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics To avoid vaporisation in the pipe line, the pipe line over the ridge is laid such that it is not more than 5.0 above the hydraulic gradient 10.0 m above the hydraulic gradient 2.4 m above the hydraulic gradient 6.4 m above the hydraulic gradient 5.0 above the hydraulic gradient 10.0 m above the hydraulic gradient 2.4 m above the hydraulic gradient 6.4 m above the hydraulic gradient ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics Specific weight of sea water is more that of pure water because it contains dissolved salt All of these suspended matter dissolved air dissolved salt All of these suspended matter dissolved air ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The position of center of pressure on a plane surface immersed vertically in a static mass of fluid is None of these always above the centroid of the area always below the centroid of the area at the centroid of the submerged area None of these always above the centroid of the area always below the centroid of the area at the centroid of the submerged area ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics When a liquid rotates at a constant angular velocity about a vertical axis as a rigid body, the pressure intensity varies inversely as the radial distance as the square of the radial distance linearly with radial distance inversely as the square of the radial distance inversely as the radial distance as the square of the radial distance linearly with radial distance inversely as the square of the radial distance 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) H/2 2 H/3 2 H/5 H/3 H/2 2 H/3 2 H/5 H/3 ANSWER DOWNLOAD EXAMIANS APP