Hydraulics and Fluid Mechanics in ME The depth ‘d’ below the free surface at which the point velocity is equal to the average velocity of flow for a uniform laminar flow with a free surface, will be (where D is the depth of flow) 0.707 D 0.423 D 0.223 D 0.577 D 0.707 D 0.423 D 0.223 D 0.577 D ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A moving fluid mass may be brought to a static equilibrium position, by applying an imaginary inertia force of the same magnitude as that of the accelerating force but in the opposite direction. This statement is called Pascal’s law None of these D-Alembert’s principle Archimedes’s principle Pascal’s law None of these D-Alembert’s principle Archimedes’s principle ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The intensity of pressure at any point, in a liquid, is __________ to the depth of liquid from the surface. Inversely proportional Directly proportional None of these Equal Inversely proportional Directly proportional None of these Equal ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Capillary action is due to the Surface tension Adhesion of the liquid molecules and the molecules on the surface of a solid Cohesion of the liquid All of the listed here Surface tension Adhesion of the liquid molecules and the molecules on the surface of a solid Cohesion of the liquid All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The total energy line lies over the centre line of the pipe by an amount equal to Pressure head + velocity head Pressure head - velocity head Velocity head Pressure head Pressure head + velocity head Pressure head - velocity head Velocity head Pressure head ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME By fitting an air vessel to the reciprocating pump, there is always a saving of work done and subsequently saving of power. The saving in case of a double acting reciprocating pump is 0.884 0.488 0.392 0.848 0.884 0.488 0.392 0.848 ANSWER DOWNLOAD EXAMIANS APP
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