Hydraulics & Fluid Mechanics Normal depth in open channel flow is the depth of flow corresponding to laminar flow Steady flow unsteady flow uniform flow laminar flow Steady flow unsteady flow uniform flow 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 None of these always below the centroid of the area at the centroid of the submerged area always above the centroid of the area None of these always below the centroid of the area ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics Surface energy per unit area of a surface is numerically equal to atmospheric pressure surface tension force of adhesion force of cohesion atmospheric pressure surface tension force of adhesion force of cohesion 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 adhesion force of cohesion force of diffusion force of friction force of adhesion force of cohesion force of diffusion force of friction ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics Mercury is often used in barometer because both (B) and (C) the height of barometer will be less its vapour pressure is so low that it may be neglected it is the best liquid both (B) and (C) the height of barometer will be less its vapour pressure is so low that it may be neglected it is the best liquid ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics According to the principle of buoyancy a body totally or partially immersed in a fluid will be lifted up by a force equal to more than the weight of the body less than the weight of the body the weight of the body weight of the fluid displaced by the body more than the weight of the body less than the weight of the body the weight of the body weight of the fluid displaced by the body ANSWER DOWNLOAD EXAMIANS APP