Hydraulics & Fluid Mechanics In which of the following the friction drag is generally larger than pressure drag? a sphere a cylinder a circular disc or plate held normal to flow an airfoil a sphere a cylinder a circular disc or plate held normal to flow an airfoil ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The resultant of all normal pressures acts at metacentre vertically upwards at center of pressure at e.g. of body at metacentre vertically upwards at center of pressure at e.g. of body ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The shear stress distribution for a fluid flowing in between the parallel plates, both at rest, is 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 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 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics When a body floating in a liquid, is displaced slightly, it oscillates about e.g. of body center of buoyancy metacentre center of pressure e.g. of body center of buoyancy metacentre center of pressure ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics Non uniform flow occurs when 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 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 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 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 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 Reynolds number and independent of pipe wall roughness inversely proportional to Reynolds number and indpendent of pipe wall roughness directly proportional to pipe wall roughness and independent of Reynolds number inversely proportional to Reynolds number and directly proportional to pipe wall roughness directly proportional to Reynolds number and independent of pipe wall roughness inversely proportional to Reynolds number and indpendent of pipe wall roughness directly proportional to pipe wall roughness and independent of Reynolds number ANSWER DOWNLOAD EXAMIANS APP
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