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 600 337.5 675 300 600 337.5 675 300 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 at the centroid of the submerged area None of these always below the centroid of the area always above the centroid of the area at the centroid of the submerged area None of these always below the centroid of the area always above the centroid of the area ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics For laminar flow in a pipe of circular cross-section, the Darcy’s friction factor f is inversely proportional to Reynolds number and directly proportional to pipe wall roughness directly proportional to pipe wall roughness and independent of Reynolds number directly proportional to Reynolds number and independent of pipe wall roughness inversely proportional to Reynolds number and indpendent of pipe wall roughness inversely proportional to Reynolds number and directly proportional to pipe wall roughness directly proportional to pipe wall roughness and independent of Reynolds number directly proportional to Reynolds number and independent of pipe wall roughness inversely proportional to Reynolds number and indpendent of pipe wall roughness ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics Operation of McLeod gauge used for low pressure measurement is based on the principle of Pascal’s law Charle’s law gas law Boyle’s law Pascal’s law Charle’s law gas law Boyle’s law ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics Non uniform flow occurs when the direction and magnitude of the velocity at all points are identical velocity, depth, pressure, etc. change from point to point in the fluid flow the fluid particles move in plane or parallel planes and the streamline pat-terns are identical in each plane the velocity of successive fluid par-ticles, at any point, is the same at suc-cessive periods of time the direction and magnitude of the velocity at all points are identical velocity, depth, pressure, etc. change from point to point in the fluid flow the fluid particles move in plane or parallel planes and the streamline pat-terns are identical in each plane the velocity of successive fluid par-ticles, at any point, is the same at suc-cessive periods of time ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The horse power transmitted through a pipe is maximum when the ratio of loss of head due to friction and total head supplied is 1/4 2/3 1/2 1/3 1/4 2/3 1/2 1/3 ANSWER DOWNLOAD EXAMIANS APP
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