Hydraulics & Fluid Mechanics A model of torpedo is tested in a towing tank at a velocity of 25 m/sec. The prototype is expected to attain a velocity of 5 m/sec. What model scale has been used ? 1:50 1 : 5 1 : 2.5 1 :25 1:50 1 : 5 1 : 2.5 1 :25 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics Free surface of a liquid behaves like a sheet and tends to contract to smallest possible area due to the force of cohesion force of diffusion force of adhesion force of friction force of cohesion force of diffusion force of adhesion force of friction ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics For measuring flow by a venturimeter, if should be installed in in any direction and in any location. horizontal line vertical line inclined line with upward flow in any direction and in any location. horizontal line vertical line inclined line with upward flow ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The pressure in Pascals at a depth of 1 m below the free surface of a body of water will be equal to 981 PA 91 PA 1 PA 9810 PA 981 PA 91 PA 1 PA 9810 PA ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The line of action of the buoyant force acts through the centroid of the volume of fluid vertically above the body centriod of the displaced volume of fluid center of gravity of any submerged body center of the volume of floating body centroid of the volume of fluid vertically above the body centriod of the displaced volume of fluid center of gravity of any submerged body center of the volume of floating 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