Fluid Mechanics In frictional fluid flow, the quantity, P/ρ + V²/2gc + gz/gc, is None of these Not constant along a streamline Increased in the direction of flow Constant along a streamline None of these Not constant along a streamline Increased in the direction of flow Constant along a streamline ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics As the velocity V and thus the Reynolds number of a flow past a sphere increases from very low value, the drag force for Re << 1 None of these Decreases as V² Decreases linearly with V Increases linearly with V None of these Decreases as V² Decreases linearly with V Increases linearly with V ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics While starting a centrifugal pump, its delivery valve should be kept Either opened or closed; depending on the fluid viscosity Either opened or closed ; it does not make any difference Closed Opened Either opened or closed; depending on the fluid viscosity Either opened or closed ; it does not make any difference Closed Opened 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 mercury Inclined tube water Inclined tube mercury U-tube water U-tube mercury Inclined tube water Inclined tube mercury U-tube water ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The velocity profile exhibited by laminar flow of Newtonion fluids is such that the velocity distribution w.r.t. radius of the circular pipe is a/an __________ with the apex at the centre line of the pipe. Semi-ellipse Semi-circle Parabola Hyperbola Semi-ellipse Semi-circle Parabola Hyperbola ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Terminal velocity is A constant velocity with no acceleration A fluctuating velocity None of these Attained after moving one-half of total distance A constant velocity with no acceleration A fluctuating velocity None of these Attained after moving one-half of total distance ANSWER DOWNLOAD EXAMIANS APP