Fluid Mechanics Steady fluid flow occurs, when the derivative of flow variables satisfy the following condition. ∂/∂t = 0 ∂/∂t = constant ∂/∂s = constant ∂/∂s = 0 ∂/∂t = 0 ∂/∂t = constant ∂/∂s = constant ∂/∂s = 0 ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Capillary rise of mercury in a small diameter tube is proportional to (where, d = diameter of the tube, σ = surface tension of mercury) 1/d D Σ L/σ 1/d D Σ L/σ ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Boundary layer thickness in laminar flow over a flat plate increases as(where, d = distance from the leading edge.) √d d2/3 d2 d1/3 √d d2/3 d2 d1/3 ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The energy loss in flow through ven-turimeter is less than that through flow nozzle, because in case of a flow nozzle, the Distance between the throat and the inlet is more Throat diameter is more Sudden expansion of flow in the downstream occurs Length is shorter Distance between the throat and the inlet is more Throat diameter is more Sudden expansion of flow in the downstream occurs Length is shorter ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Volute type of casing is provided in a centrifugal pump to Convert pressure head to velocity head Increase the discharge Convert velocity head to pressure head Reduce the discharge fluctuation Convert pressure head to velocity head Increase the discharge Convert velocity head to pressure head Reduce the discharge fluctuation ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Pressure gradient in the pipe flow is influenced by the Diameter of pipe Density & viscosity of the fluid Velocity of the fluid All of these Diameter of pipe Density & viscosity of the fluid Velocity of the fluid All of these ANSWER DOWNLOAD EXAMIANS APP