Fluid Mechanics Turbine impeller Produces only tangential current Does not produce tangential current Produces only radial current Is effective over wide range of viscosities Produces only tangential current Does not produce tangential current Produces only radial current Is effective over wide range of viscosities ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Specific speed of a centrifugal pump relates it with another pump having the Same efficiency Geometrical similarity Same speed Dynamic similarity Same efficiency Geometrical similarity Same speed Dynamic similarity ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The equivalent diameter for flow through a rectangular duct of width B and height H is HB/(H + B) 2HB/(H + B) 4HB/(H + B) HB/2(H + B) HB/(H + B) 2HB/(H + B) 4HB/(H + B) HB/2(H + B) ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Which of the following pipe bends will incur the largest head loss ? 45° bend U-bend 90° bend 30° bend 45° bend U-bend 90° bend 30° bend ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The Prandtl mixing length is Useful for computing laminar flow problems Independent of radial distance from the pipe axis Zero at the pipe wall and is a universal constant Independent of the shear stress Useful for computing laminar flow problems Independent of radial distance from the pipe axis Zero at the pipe wall and is a universal constant Independent of the shear stress ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics In Newton's law range, the drag co-efficient for the motion of spherical particle in a stationary fluid is 44 0.44 0.044 4.4 44 0.44 0.044 4.4 ANSWER DOWNLOAD EXAMIANS APP