Fluid Mechanics While starting a centrifugal pump, its delivery valve should be kept Either opened or closed ; it does not make any difference Closed Either opened or closed; depending on the fluid viscosity Opened Either opened or closed ; it does not make any difference Closed Either opened or closed; depending on the fluid viscosity Opened ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Priming of a centrifugal pump is done to None of these Avoid chances of separation inside the impeller Develop effective pressure rise by the pump Increase the mass flow rate of fluid None of these Avoid chances of separation inside the impeller Develop effective pressure rise by the pump Increase the mass flow rate of fluid ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The Mach number for hypersonic flow of compressible fluid is > 4 < 2 > 1 1 > 4 < 2 > 1 1 ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The ratio of inertial forces to gravity forces is called the __________ number. Froude Euler Weber Mach Froude Euler Weber Mach 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 Hyperbola Parabola Semi-ellipse Semi-circle Hyperbola Parabola ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics For water, when the pressure increases, the viscosity First decreases, and then increases Also increases Remains constant Decreases First decreases, and then increases Also increases Remains constant Decreases ANSWER DOWNLOAD EXAMIANS APP