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 : 5 1 : 2.5 1 :25 1:50 1 : 5 1 : 2.5 1 :25 1:50 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics Non uniform flow occurs when the velocity of successive fluid par-ticles, at any point, is the same at suc-cessive periods of time the fluid particles move in plane or parallel planes and the streamline pat-terns are identical in each plane the direction and magnitude of the velocity at all points are identical velocity, depth, pressure, etc. change from point to point in the fluid flow the velocity of successive fluid par-ticles, at any point, is the same at suc-cessive periods of time the fluid particles move in plane or parallel planes and the streamline pat-terns are identical in each plane the direction and magnitude of the velocity at all points are identical velocity, depth, pressure, etc. change from point to point in the fluid 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 None of these always above the centroid of the area at the centroid of the submerged area always below the centroid of the area None of these always above the centroid of the area at the centroid of the submerged area always below the centroid of the area ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics If a sphere of diameter 1 cm falls in castor oil of kinematic viscosity 10 stokes, with a terminal velocity of 1.5 cm/sec, the coefficient of drag on the sphere is 200 between 1 and 100 less than 1 160 200 between 1 and 100 less than 1 160 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics Operation of McLeod gauge used for low pressure measurement is based on the principle of Charle’s law gas law Boyle’s law Pascal’s law Charle’s law gas law Boyle’s law Pascal’s law ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The line of action of the buoyant force acts through the centroid of the volume of the floating body volume of the fluid vertically above the body displaced volume of the fluid submerged body volume of the floating body volume of the fluid vertically above the body displaced volume of the fluid submerged body ANSWER DOWNLOAD EXAMIANS APP
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