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) 1.2 Vavg 1.5 Vavg Vavg 1.8 Vavg 1.2 Vavg 1.5 Vavg Vavg 1.8 Vavg ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Drag force acting on a body does not depend upon the Velocity of the body Density of the fluid Density of the body Projected area of the body Velocity of the body Density of the fluid Density of the body Projected area of the body ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics What is the ratio of displacement thickness to nominal thickness for a linear distribution of velocity in the boundary layer on a flat plate? 1 2 0.5 1.5 1 2 0.5 1.5 ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Boundary layer thickness in turbulent flow over a flat plate increases as(where, d = distance from the leading edge.) d4/5 √d d2/3 d1/3 d4/5 √d d2/3 d1/3 ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics In case of hydraulically smooth pipe, the resistance to flow depends only on the Reynolds number, whereas for a hydraulically rough pipe, the resistance to flow is governed by the relative roughness. Two pipes are said to have the same hydraulic roughness, when they have equal values of Relative roughness All of these Absolute roughness Friction co-efficient for flows at equal Reynold number Relative roughness All of these Absolute roughness Friction co-efficient for flows at equal Reynold number 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 10 psi, 19.7 ft. of water, 23.3 inches of Hg 4.33 psi, 10 ft. of water, 8.83 inches of Hg 4.33 psi, 10 ft. of water, 20.7 inches of Hg 10 psi, 19.7 ft. of water, 5.3 inches of Hg 10 psi, 19.7 ft. of water, 23.3 inches of Hg 4.33 psi, 10 ft. of water, 8.83 inches of Hg 4.33 psi, 10 ft. of water, 20.7 inches of Hg ANSWER DOWNLOAD EXAMIANS APP