Hydraulics & Fluid Mechanics In which of the following the friction drag is generally larger than pressure drag? an airfoil a cylinder a circular disc or plate held normal to flow a sphere an airfoil a cylinder a circular disc or plate held normal to flow a sphere ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics When a body floating in a liquid, is displaced slightly, it oscillates about metacentre e.g. of body center of pressure center of buoyancy metacentre e.g. of body center of pressure center of buoyancy ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics For a floating body to be in equilibrium meta center should be above e.g. All of these a righting couple should be formed center of buoyancy and e.g. must lie on same vertical plane meta center should be above e.g. All of these a righting couple should be formed center of buoyancy and e.g. must lie on same vertical plane ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The horizontal component of force on a curved surface is equal to the force on the horizontal projection of the curved surface product of pressure intensity at its centroid and area weight of liquid vertically above the curved surface force on a vertical projection of the curved surface force on the horizontal projection of the curved surface product of pressure intensity at its centroid and area weight of liquid vertically above the curved surface force on a vertical projection of the curved surface ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The total pressure force on a plane area is equal to the area multiplied by the intensity of pressure at the centriod, if All of these the area is vertical the area is inclined the area is horizontal All of these the area is vertical the area is inclined the area is horizontal ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics In a two dimensional incompressible steady flow around an airfoil, the stream lines are 2 cm apart at a great distance from the airfoil, where the velocity is 30 m/sec. The velocity near the airfoil, where the stream lines are 1.5 cm apart, is 33 M/SEC 50 M/SEC 22.5 M/SEC 40 M/SEC 33 M/SEC 50 M/SEC 22.5 M/SEC 40 M/SEC ANSWER DOWNLOAD EXAMIANS APP
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