Hydraulics and Fluid Mechanics in ME The efficiency of power transmission through pipe is (where H = Total supply head, and hf = Head lost due to friction in the pipe) (H + hf )/H H/(H - hf ) H/(H + hf ) (H - hf )/H (H + hf )/H H/(H - hf ) H/(H + hf ) (H - hf )/H ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Motion of a liquid in a volute casing of a centrifugal pump is an example of Spiral vortex flow Forced spiral vortex flow Radial Rotational flow Spiral vortex flow Forced spiral vortex flow Radial Rotational flow ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The velocity at which the laminar flow stops, is known as Higher critical velocity None of these Lower critical velocity Velocity of approach Higher critical velocity None of these Lower critical velocity Velocity of approach ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME If cohesion between molecules of a fluid is greater than adhesion between fluid and glass, then the free level of fluid in a dipped glass tube will be The same as the surface of liquid Lower than the surface of liquid Unpredictable Higher than the surface of liquid The same as the surface of liquid Lower than the surface of liquid Unpredictable Higher than the surface of liquid ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In order to avoid tendency of separation at throat in a Venturimeter, the ratio of the diameter at throat to the diameter of pipe should be 1/4 to 1/3 1/16 to 1/8 1/3 to 1/2 1/8 to 1/4 1/4 to 1/3 1/16 to 1/8 1/3 to 1/2 1/8 to 1/4 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 Archimedes’s principle Pascal’s law None of these D-Alembert’s principle Archimedes’s principle Pascal’s law None of these D-Alembert’s principle ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS