Fluid Mechanics The ratio of inertial forces to viscous forces is called the __________ number. Froude Mach Reynold Weber Froude Mach Reynold Weber ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Net positive suction head (NPSH) of a centrifugal pump must be Equal to the vapour pressure of the liquid Greater than the vapour pressure of the liquid Less than barometric pressure Less than the vapour pressure of the liquid Equal to the vapour pressure of the liquid Greater than the vapour pressure of the liquid Less than barometric pressure Less than the vapour pressure of the liquid ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The Stoke's stream function applies to the Irrotational flow only None of these Ideal/non-viscous fluids only Cases of axial symmetry Irrotational flow only None of these Ideal/non-viscous fluids only Cases of axial symmetry ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Specific speed of a centrifugal pump relates it with another pump having the Same speed Same efficiency Dynamic similarity Geometrical similarity Same speed Same efficiency Dynamic similarity Geometrical similarity ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Shear stress in a fluid flowing in a round pipe Varies parabolically across the cross-section Remains constant over the cross-section Is zero at the wall and increases linearly to the centre Is zero at the centre and varies linearly with the radius Varies parabolically across the cross-section Remains constant over the cross-section Is zero at the wall and increases linearly to the centre Is zero at the centre and varies linearly with the radius ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Very small pressure difference (< 5 mm water coloumn) can be most conveniently measured by a/an __________ manometer. U-tube water Inclined tube mercury U-tube mercury Inclined tube water U-tube water Inclined tube mercury U-tube mercury Inclined tube water ANSWER DOWNLOAD EXAMIANS APP