Hydraulics & Fluid Mechanics When a body floating in a liquid, is displaced slightly, it oscillates about e.g. of body center of pressure metacentre center of buoyancy e.g. of body center of pressure metacentre center of buoyancy ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The Prartdtl mixing length is independent of shear stress maximum at the pipe wall None of these zero at the pipe wall independent of shear stress maximum at the pipe wall None of these zero at the pipe wall ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics An object having 10 kg mass weighs 9.81kg on a spring balance. The value of ‘g’ at this place is 10m/sec² 9.81 m/sec² 9.75 m/sec² 10.2/m sec 10m/sec² 9.81 m/sec² 9.75 m/sec² 10.2/m sec ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics At the centre line of a pipe flowing under pressure where the velocity gradient is zero, the shear stress will be minimum could be any value maximum negative value minimum could be any value maximum negative value 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 None of these always below the centroid of the area always above the centroid of the area at the centroid of the submerged area None of these always below the centroid of the area always above the centroid of the area ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics A vertical rectangular plane surface is submerged in water such that its top and bottom surfaces are 1.5 m and 6.0 m res-pectively below the free surface. The position of center of pressure below the free surface will be at a distance of 4.8 M 4.6 M 4.2 M 4.0 M 4.8 M 4.6 M 4.2 M 4.0 M ANSWER DOWNLOAD EXAMIANS APP