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 ? 1:50 1 : 5 1 : 2.5 1 :25 1:50 1 : 5 1 : 2.5 1 :25 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The distance from pipe boundary, at which the turbulent shear stress is one-third die wall shear stress, is (where R is the radius of pipe) 2/3 R 1/3 R 1/2 R 3/4 R 2/3 R 1/3 R 1/2 R 3/4 R 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 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 at the centroid of the submerged area ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics THEE HORIZONTAL COMPONENT OF BUOYANT FORCE IS ZERO NEGLIGIBLE SAME AS BUOYANT FORCE None of these ZERO NEGLIGIBLE SAME AS BUOYANT FORCE None of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics Pressure of the order of 10''' torr can be measured by ionisastion gauge Bourdon tube Pirani Gauge Micro-manometer ionisastion gauge Bourdon tube Pirani Gauge Micro-manometer ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The line of action of the buoyant force acts through the centriod of the displaced volume of fluid center of gravity of any submerged body center of the volume of floating body centroid of the volume of fluid vertically above the body centriod of the displaced volume of fluid center of gravity of any submerged body center of the volume of floating body centroid of the volume of fluid vertically above the body ANSWER DOWNLOAD EXAMIANS APP
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