Hydraulics & Fluid Mechanics The distance from pipe boundary, at which the turbulent shear stress is one-third die wall shear stress, is (where R is the radius of pipe) 1/3 R 2/3 R 1/2 R 3/4 R 1/3 R 2/3 R 1/2 R 3/4 R ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The surface tension of mercury at normal temperature compared to that of water is more or less depending on size of glass tube less same more more or less depending on size of glass tube less same more ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics Flow at constant rate through a tapering pipe is i) steady flow ii) uniform flow iii) unsteady flow iv) non-uniform flow The correct answer is (ii) and (iii) (i)and(iv) (ii) and (iv) (i) and (ii) (ii) and (iii) (i)and(iv) (ii) and (iv) (i) and (ii) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The line of action of the buoyant force acts through the centroid of the volume of the floating body submerged body displaced volume of the fluid volume of the fluid vertically above the body volume of the floating body submerged body displaced volume of the fluid volume of the fluid vertically above the body ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The position of center of pressure on a plane surface immersed vertically in a static mass of fluid is None of these at the centroid of the submerged area always below the centroid of the area always above the centroid of the area None of these at the centroid of the submerged area always below the centroid of the area always above the centroid of the area ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics A ship whose hull length is 100 m is to travel at 10 m/sec. For dynamic similarity, at what velocity should a 1:25 model be towed through water ? 10 m/sec 2 m/sec 25 m/sec 50 m/sec 10 m/sec 2 m/sec 25 m/sec 50 m/sec ANSWER DOWNLOAD EXAMIANS APP
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