Hydraulics & Fluid Mechanics The line of action of the buoyant force acts through the 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 center of the volume of floating body ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The discharge over a broad crested weir is maximum when the depth of flow is (where H is the available head) 2 H/5 H/2 H/3 2 H/3 2 H/5 H/2 H/3 2 H/3 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics Mercury is often used in barometer because the height of barometer will be less both (B) and (C) it is the best liquid its vapour pressure is so low that it may be neglected the height of barometer will be less both (B) and (C) it is the best liquid its vapour pressure is so low that it may be neglected ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics Free surface of a liquid tends to contract to the smallest possible area due to force of cohesion surface tension viscosity friction cohesion surface tension viscosity friction ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The resultant of all normal pressures acts vertically upwards at center of pressure at e.g. of body at metacentre vertically upwards at center of pressure at e.g. of body at metacentre 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 the area is inclined All of these the area is vertical the area is horizontal the area is inclined All of these the area is vertical the area is horizontal ANSWER DOWNLOAD EXAMIANS APP