Hydraulics & Fluid Mechanics The line of action of the buoyant force acts through the center of the volume of floating body centroid of the volume of fluid vertically above the body center of gravity of any submerged body centriod of the displaced volume of fluid center of the volume of floating body centroid of the volume of fluid vertically above the body center of gravity of any submerged body centriod of the displaced volume of fluid ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics For laminar flow in a pipe of circular cross-section, the Darcy’s friction factor f is 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 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 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The surface tension of mercury at normal temperature compared to that of water is more less same more or less depending on size of glass tube more less same more or less depending on size of glass tube ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The Prartdtl mixing length is None of these independent of shear stress zero at the pipe wall maximum at the pipe wall None of these independent of shear stress zero at the pipe wall maximum at the pipe wall 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 22.5 M/SEC 40 M/SEC 50 M/SEC 33 M/SEC 22.5 M/SEC 40 M/SEC 50 M/SEC 33 M/SEC 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 1/3 2/3 1/4 1/2 1/3 2/3 1/4 1/2 ANSWER DOWNLOAD EXAMIANS APP
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