Fluid Mechanics The Prandtl mixing length is Zero at the pipe wall and is a universal constant Independent of radial distance from the pipe axis Useful for computing laminar flow problems Independent of the shear stress Zero at the pipe wall and is a universal constant Independent of radial distance from the pipe axis Useful for computing laminar flow problems Independent of the shear stress ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics High specific speed of a pump implies that, it is a/an __________ pump. Axial flow Mixed flow Centrifugal None of these Axial flow Mixed flow Centrifugal None of these ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics A 2" gate valve fitted in a pipe is replaced by a similar globe valve. Pressure drop in gate valve was Δp. For the same discharge, the pressure drop across globe valve is < Δp > Δp Δp Δp² < Δp > Δp Δp Δp² ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The ratio of inertial forces to viscous forces is called the __________ number. Froude Reynold Mach Weber Froude Reynold Mach Weber ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Choose the set of pressure intensities that are equivalent. 10 psi, 19.7 ft. of water, 5.3 inches of Hg 4.33 psi, 10 ft. of water, 20.7 inches of Hg 4.33 psi, 10 ft. of water, 8.83 inches of Hg 10 psi, 19.7 ft. of water, 23.3 inches of Hg 10 psi, 19.7 ft. of water, 5.3 inches of Hg 4.33 psi, 10 ft. of water, 20.7 inches of Hg 4.33 psi, 10 ft. of water, 8.83 inches of Hg 10 psi, 19.7 ft. of water, 23.3 inches of Hg ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The peripherial velocity at inlet of a centrifugal pump having inlet diameter of 25 cms and rotating at 950 rpm is __________ m/sec. 1.8 736.4 186.2 12.4 1.8 736.4 186.2 12.4 ANSWER DOWNLOAD EXAMIANS APP
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