Fluid Mechanics Transition from laminar flow to turbulent flow is aided by the Surface roughness and curvature (i.e.sharp corners) Pressure gradient and the compressibility of the flowing medium All of these Vibration Surface roughness and curvature (i.e.sharp corners) Pressure gradient and the compressibility of the flowing medium All of these Vibration 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. Parabola Hyperbola Semi-ellipse Semi-circle Parabola Hyperbola Semi-ellipse Semi-circle ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The equation given below is called the __________ . f-0.5 = 4.07 loge (NRe√f)-0.6 Fanning equation Von-Karman equation None of these Colebrook formula Fanning equation Von-Karman equation None of these Colebrook formula ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The normal stress is the same in all directions at a point in a fluid, when the fluid is Both A and B Non-viscous Incompressible Having no motion of one fluid layer relative to the other Both A and B Non-viscous Incompressible Having no motion of one fluid layer relative to the other ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Which of the following pipe bends will incur the largest head loss ? U-bend 30° bend 90° bend 45° bend U-bend 30° bend 90° bend 45° bend ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics While starting a centrifugal pump, its delivery valve should be kept 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 Either opened or closed ; it does not make any difference ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS