Hydraulics & Fluid Mechanics The Prartdtl mixing length is zero at the pipe wall independent of shear stress None of these maximum at the pipe wall zero at the pipe wall independent of shear stress None of these maximum at the pipe wall ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics Two dimensional flow occurs when the direction and magnitude of the velocity at all points are identical the magnitude and direction of the velocity do not change from point to point in the fluid 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 the magnitude and direction of the velocity do not change from point to point in the fluid 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 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 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 None of these always above the centroid of the area at the centroid of the submerged area ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics Select the correct statement Local atmospheric pressure is always below standard atmospheric pressure Local atmospheric pressure depends upon elevation of locality only A barometer reads the difference be-tween local and standard atmospheric pressure Standard atmospheric pressure is the mean local atmospheric pressure a* sea level Local atmospheric pressure is always below standard atmospheric pressure Local atmospheric pressure depends upon elevation of locality only A barometer reads the difference be-tween local and standard atmospheric pressure Standard atmospheric pressure is the mean local atmospheric pressure a* sea level ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics According to Bernoulli’s equation for steady ideal fluid flow velocity and pressure are inversely proportional total energy is constant throughout principle of conservation of mass holds the energy is constant along a stream-line but may vary across streamlines velocity and pressure are inversely proportional total energy is constant throughout principle of conservation of mass holds the energy is constant along a stream-line but may vary across streamlines ANSWER DOWNLOAD EXAMIANS APP
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 :25 1:50 1 : 2.5 1 : 5 1 :25 1:50 1 : 2.5 1 : 5 ANSWER DOWNLOAD EXAMIANS APP
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