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 Turbine impeller Is effective over wide range of viscosities Does not produce tangential current Produces only tangential current Produces only radial current Is effective over wide range of viscosities Does not produce tangential current Produces only tangential current Produces only radial current 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 The unit of dynamic viscosity in SI unit is N/m² m/N. sec kg/m . sec m² /sec N/m² m/N. sec kg/m . sec m² /sec ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Purpose of relief valve in a reciprocating pump is to Control the rate of discharge Protect the pump against developing excessive pressure Reduce the discharge pressure Facilitate unidirectional flow of liquid Control the rate of discharge Protect the pump against developing excessive pressure Reduce the discharge pressure Facilitate unidirectional flow of liquid ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The bulk modulus of elasticity of a liquid Is independent of temperature & pressure Increases with pressure Is zero for incompressible liquid Decreases with pressure Is independent of temperature & pressure Increases with pressure Is zero for incompressible liquid Decreases with pressure ANSWER DOWNLOAD EXAMIANS APP
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