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 Semi-ellipse Hyperbola Semi-circle Parabola Semi-ellipse Hyperbola ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics With increase in the ratio of orifice diameter to pipe diameter in case of an orificemeter, the overall pressure loss Increases linearly Remains constant Increases Decreases Increases linearly Remains constant Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Applying a pressure drop across a capillary results in a volumetric flow rate 'Q' under laminar flow conditions. The flow rate for the same pressure drop, in a capillary of the same length but half the radius is Q/8 Q/4 Q/16 Q/2 Q/8 Q/4 Q/16 Q/2 ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics What causes cavitation in centrifugal pump? Low barometric pressure High suction velocity High suction pressure Low suction pressure Low barometric pressure High suction velocity High suction pressure Low suction pressure ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Function of air vessel provided in a reciprocating pump is to Reduce the danger of cavitation Reduce discharge fluctuation Avoid the necessity of priming Increase the pump efficiency Reduce the danger of cavitation Reduce discharge fluctuation Avoid the necessity of priming Increase the pump efficiency ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Scale up of agitator design requires Dynamic similarity only Both geometrical and dynamic similarity Geometrical similarity only All of these Dynamic similarity only Both geometrical and dynamic similarity Geometrical similarity only All of these ANSWER DOWNLOAD EXAMIANS APP