Hydraulics & Fluid Mechanics The horizontal component of force on a curved surface is equal to the weight of liquid vertically above the curved surface force on the horizontal projection of the curved surface force on a vertical projection of the curved surface product of pressure intensity at its centroid and area weight of liquid vertically above the curved surface force on the horizontal projection of the curved surface force on a vertical projection of the curved surface product of pressure intensity at its centroid and area ANSWER DOWNLOAD EXAMIANS APP
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 300 337.5 600 675 300 337.5 600 675 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The shear stress distribution for a fluid flowing in between the parallel plates, both at rest, is zero at the mid plane and varies linearly with distance from mid plane zero at plates and increases linearly to midpoint constant over the cross section parabolic distribution across the section zero at the mid plane and varies linearly with distance from mid plane zero at plates and increases linearly to midpoint constant over the cross section parabolic distribution across the section 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 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 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 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 always above the centroid of the area always below the centroid of the area None of these at the centroid of the submerged area always above the centroid of the area always below the centroid of the area None of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics Two pipe systems are said to be equivalent when friction factor and length are same in two systems head loss and discharge are same in two systems length and diameter are same in two systems length of pipe and discharge are same in two systems friction factor and length are same in two systems head loss and discharge are same in two systems length and diameter are same in two systems length of pipe and discharge are same in two systems ANSWER DOWNLOAD EXAMIANS APP
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