Hydraulics & Fluid Mechanics The Prartdtl mixing length is zero at the pipe wall None of these maximum at the pipe wall independent of shear stress zero at the pipe wall None of these maximum at the pipe wall independent of shear stress ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The normal stress is same in all directions at a point in a fluid When there is no motion of one fluid layer relative to an adjacent layer only when the fluid is frictionless irrespective of the motion of one fluid layer relative to an adjacent layer only when the fluid is incompressible and has zero viscosity When there is no motion of one fluid layer relative to an adjacent layer only when the fluid is frictionless irrespective of the motion of one fluid layer relative to an adjacent layer only when the fluid is incompressible and has zero viscosity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics Mercury is often used in barometer because it is the best liquid its vapour pressure is so low that it may be neglected both (B) and (C) the height of barometer will be less it is the best liquid its vapour pressure is so low that it may be neglected both (B) and (C) the height of barometer will be less ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics Steady flow occurs when the direction and magnitude of the velocity at all points are identical the fluid particles move in plane or parallel planes and the streamline pat-terns are identical in each plane 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 direction and magnitude of the velocity at all points are identical the fluid particles move in plane or parallel planes and the streamline pat-terns are identical in each plane 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 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The line of action of the buoyant force acts through the center of gravity of any submerged body center of the volume of floating body centriod of the displaced volume of fluid centroid of the volume of fluid vertically above the body center of gravity of any submerged body center of the volume of floating 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 Operation of McLeod gauge used for low pressure measurement is based on the principle of Charle’s law gas law Pascal’s law Boyle’s law Charle’s law gas law Pascal’s law Boyle’s law ANSWER DOWNLOAD EXAMIANS APP
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