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 : 2.5 1 : 5 1:50 1 :25 1 : 2.5 1 : 5 1:50 1 :25 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 91 PA 1 PA 9810 PA 981 PA 91 PA 1 PA 9810 PA 981 PA 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 maximum minimum negative value could be any value maximum minimum negative value could be any value ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The line of action of the buoyant force acts through the center of the volume of floating body center of gravity of any submerged body centriod of the displaced volume of fluid centroid of the volume of fluid vertically above the body center of the volume of floating body center of gravity of any submerged body centriod of the displaced volume of fluid centroid of the volume of fluid vertically above the body 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 4.2 M 4.0 M 4.6 M 4.8 M 4.2 M 4.0 M 4.6 M 4.8 M ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The continuity equation pi V,A,= p2V2A2 is based on the following assumption regarding flow of fluid (where pi and p2 are mass densities.) frictionless flow incompressible flow steady flow uniform flow frictionless flow incompressible flow steady flow uniform flow ANSWER DOWNLOAD EXAMIANS APP
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