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 inversely proportional to Reynolds number and indpendent of pipe wall roughness directly proportional to Reynolds number and independent 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 inversely proportional to Reynolds number and indpendent of pipe wall roughness directly proportional to Reynolds number and independent of pipe wall roughness ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics Least possible value of correction factor for i) kinetic energy is zero ii) kinetic energy is 1 iii) momentum is zero iv) momentum is 1 The correct statements are (i) and (iii) (ii) and (iv) (ii) and (iii) (i) and (iv) (i) and (iii) (ii) and (iv) (ii) and (iii) (i) and (iv) 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 linearly with radial distance inversely as the square of the radial distance as the square of the radial distance inversely as the radial distance linearly with radial distance inversely as the square of the radial distance as the square of the radial distance ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics Pressure of the order of 10''' torr can be measured by Micro-manometer ionisastion gauge Bourdon tube Pirani Gauge Micro-manometer ionisastion gauge Bourdon tube Pirani Gauge ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics Two dimensional flow occurs when the fluid particles move in plane or parallel planes and the streamline pat-terns are identical in each plane the direction and magnitude of the velocity at all points are identical the velocity of successive fluid par-ticles, at any point, is the same at suc-cessive periods of time the magnitude and direction of the velocity do not change from point to point in the fluid the fluid particles move in plane or parallel planes and the streamline pat-terns are identical in each plane the direction and magnitude of the velocity at all points are identical the velocity of successive fluid par-ticles, at any point, is the same at suc-cessive periods of time the magnitude and direction of the velocity do not change from point to point in the fluid 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
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