Fluid Mechanics The Prandtl mixing length is Independent of radial distance from the pipe axis Independent of the shear stress Zero at the pipe wall and is a universal constant Useful for computing laminar flow problems Independent of radial distance from the pipe axis Independent of the shear stress Zero at the pipe wall and is a universal constant Useful for computing laminar flow problems ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Reynolds number for flow of water at room temperature through 2 cm dia pipe at an average velocity of 5 cm/sec is around 2000 1000 100 10 2000 1000 100 10 ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The ratio of pressure forces to inertial forces is called the __________ number. Euler Mach Froude Reynold Euler Mach Froude Reynold ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics In case of turbulent flow of a Newtonion fluid in a straight pipe, the maximum velocity is equal to (where, Vavg = average fluid velocity) Vavg 1.5 Vavg 1.8 Vavg 1.2 Vavg Vavg 1.5 Vavg 1.8 Vavg 1.2 Vavg ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics In laminar flow through a round tube, the discharge varies Inversely as the pressure drop Inversely as the viscosity As the square of the radius Linearly as the viscosity Inversely as the pressure drop Inversely as the viscosity As the square of the radius Linearly as the viscosity ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Foot valves are provided in the suction line of a centrifugal pump to Control the liquid discharge Avoid priming, every time we start the pump Remove the contaminant present in the liquid Minimise the fluctuation in discharge Control the liquid discharge Avoid priming, every time we start the pump Remove the contaminant present in the liquid Minimise the fluctuation in discharge ANSWER DOWNLOAD EXAMIANS APP
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