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. Equivalent Prandtl mixing None of these Transition Equivalent Prandtl mixing None of these Transition 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. Hyperbola Semi-circle Parabola Semi-ellipse Hyperbola Semi-circle Parabola Semi-ellipse ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The Prandtl mixing length is Zero at the pipe wall and is a universal constant Useful for computing laminar flow problems Independent of the shear stress Independent of radial distance from the pipe axis Zero at the pipe wall and is a universal constant Useful for computing laminar flow problems Independent of the shear stress Independent of radial distance from the pipe axis ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Unit of mass velocity is Kg/m³. hr Kg/m². hr Kg/hr Kg/m² Kg/m³. hr Kg/m². hr Kg/hr Kg/m² ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Pressure drag does not depend upon the Roughness of surface of the body All of these Pressure of main flow only Length of the body in flow direction Roughness of surface of the body All of these Pressure of main flow only Length of the body in flow direction ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics What is the value of Fanning friction factor f ' for smooth pipe at NRe = 10⁶ approximately? 0.01 0.003 0.3 0.1 0.01 0.003 0.3 0.1 ANSWER DOWNLOAD EXAMIANS APP
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