Fluid Mechanics Shear stress in a fluid flowing in a round pipe 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 Varies parabolically across the cross-section Remains constant over the cross-section ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics What causes cavitation in centrifugal pump? Low barometric pressure High suction pressure High suction velocity Low suction pressure Low barometric pressure High suction pressure High suction velocity Low suction pressure ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Pressure gradient in the pipe flow is influenced by the Diameter of pipe Velocity of the fluid All of these Density & viscosity of the fluid Diameter of pipe Velocity of the fluid All of these Density & viscosity of the fluid ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Uniform fluid flow occurs, when the derivative of the flow variables satisfy the following condition. ∂/∂t = constant ∂/∂t = constant ∂/∂s = 0 ∂/∂t = 0 ∂/∂t = constant ∂/∂t = constant ∂/∂s = 0 ∂/∂t = 0 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 Water hammer is caused, when water flowing in a pipe is suddenly brought to rest by closing the valve. The extent of pressure thus produced due to water hammer depends on the Pipe length Fluid velocity in the pipe Time taken to close the valve All of these Pipe length Fluid velocity in the pipe Time taken to close the valve All of these ANSWER DOWNLOAD EXAMIANS APP