Hydraulics & Fluid Mechanics For a sphere of radius 15 cm moving with a uniform velocity of 2 m/sec through a liquid of specific gravity 0.9 and dynamic viscosity 0.8 poise, the Reynolds number will be 600 337.5 300 675 600 337.5 300 675 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The normal stress is same in all directions at a point in a fluid irrespective of the motion of one fluid layer relative to an adjacent layer When there is no motion of one fluid layer relative to an adjacent layer only when the fluid is incompressible and has zero viscosity only when the fluid is frictionless irrespective of the motion of one fluid layer relative to an adjacent layer When there is no motion of one fluid layer relative to an adjacent layer only when the fluid is incompressible and has zero viscosity only when the fluid is frictionless 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 (ii) (i)and(iv) (ii) and (iv) (ii) and (iii) (i) and (ii) (i)and(iv) (ii) and (iv) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The discharge of a liquid of kinematic viscosity 4 cm²/sec through a 8 cm dia-meter pipe is 3200n cm7sec. The type of flow expected is TURBULENT FLOW LAMINAR FLOW NOT PREDICTABLE FROM THE GIVEN DATA TRANSITION FLOW TURBULENT FLOW LAMINAR FLOW NOT PREDICTABLE FROM THE GIVEN DATA TRANSITION FLOW ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The discharge through a V- notch varies as H1/2 H5’4 where H is head. H5/2 H3’2 H1/2 H5’4 where H is head. H5/2 H3’2 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The line of action of the buoyant force acts through the center of gravity of any submerged body center of the volume of floating body centroid of the volume of fluid vertically above the body centriod of the displaced volume of fluid center of gravity of any submerged body center of the volume of floating body centroid of the volume of fluid vertically above the body centriod of the displaced volume of fluid ANSWER DOWNLOAD EXAMIANS APP
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