Fluid Mechanics The length of the tube necessary for the boundary layer to reach the centre of the tube and for fully developed flow to be established is called the __________ length. Transition None of these Prandtl mixing Equivalent Transition None of these Prandtl mixing Equivalent 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-circle Parabola Hyperbola Semi-ellipse Semi-circle Parabola Hyperbola Semi-ellipse ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics What is the ratio of displacement thickness to nominal thickness for a linear distribution of velocity in the boundary layer on a flat plate? 0.5 2 1 1.5 0.5 2 1 1.5 ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Cavitation in a centrifugal pump can be avoided by keeping the Inlet pressure high Inlet pressure low Outlet pressure high Outlet pressure low Inlet pressure high Inlet pressure low Outlet pressure high Outlet pressure low ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics With increase in molecular weight of the gas, the head developed by a centrifugal compressor will Unpredictable Decrease Remain same Increase Unpredictable Decrease Remain same Increase ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics A centrifugal pump used to pump water is used to pump an oil with specific gravity of 0.8 at the same rate. The power consumption will now Decrease Remain same Data insufficient to predict Increase Decrease Remain same Data insufficient to predict Increase ANSWER DOWNLOAD EXAMIANS APP