Hydraulics & Fluid Mechanics Surface energy per unit area of a surface is numerically equal to force of cohesion surface tension force of adhesion atmospheric pressure force of cohesion surface tension force of adhesion atmospheric pressure ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics Steady flow occurs when the direction and magnitude of the velocity at all points are identical the velocity of successive fluid par-ticles, at any point, is the same at suc-cessive periods of time the magnitude and direction of the velocity do not change from point to point in the fluid 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 the velocity of successive fluid par-ticles, at any point, is the same at suc-cessive periods of time the magnitude and direction of the velocity do not change from point to point in the fluid the fluid particles move in plane or parallel planes and the streamline pat-terns are identical in each plane ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics A ship whose hull length is 100 m is to travel at 10 m/sec. For dynamic similarity, at what velocity should a 1:25 model be towed through water ? 25 m/sec 2 m/sec 50 m/sec 10 m/sec 25 m/sec 2 m/sec 50 m/sec 10 m/sec ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics In which of the following the friction drag is generally larger than pressure drag? a cylinder a circular disc or plate held normal to flow a sphere an airfoil a cylinder a circular disc or plate held normal to flow a sphere an airfoil 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 between 1 and 100 less than 1 200 160 between 1 and 100 less than 1 200 160 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 the volume of floating body center of gravity of any submerged body centroid of the volume of fluid vertically above the body centriod of the displaced volume of fluid center of the volume of floating body center of gravity of any submerged body centroid of the volume of fluid vertically above the body ANSWER DOWNLOAD EXAMIANS APP
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