Hydraulics & Fluid Mechanics If a sphere of diameter 1 cm falls in castor oil of kinematic viscosity 10 stokes, with a terminal velocity of 1.5 cm/sec, the coefficient of drag on the sphere is 160 between 1 and 100 less than 1 200 160 between 1 and 100 less than 1 200 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The surface tension of mercury at normal temperature compared to that of water is same less more more or less depending on size of glass tube same less more more or less depending on size of glass tube ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics For a floating body to be in equilibrium All of these a righting couple should be formed center of buoyancy and e.g. must lie on same vertical plane meta center should be above e.g. All of these a righting couple should be formed center of buoyancy and e.g. must lie on same vertical plane meta center should be above e.g. ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics Drag force is a function of i) projected area of the body ii) mass density of the fluid iii) velocity of the body The correct answer is (ii) and (iii) (i) and (iii) (i), (ii) and (iii) (i) and (ii) (ii) and (iii) (i) and (iii) (i), (ii) and (iii) (i) and (ii) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The shear stress distribution for a fluid flowing in between the parallel plates, both at rest, is zero at the mid plane and varies linearly with distance from mid plane constant over the cross section parabolic distribution across the section zero at plates and increases linearly to midpoint zero at the mid plane and varies linearly with distance from mid plane constant over the cross section parabolic distribution across the section zero at plates and increases linearly to midpoint ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics Metacentric height is given as the distance between the center of gravity of the body andthe meta center the center of gravity of the body and the center of pressure center of buoyancy and metacentre the center of gravity of the body and the center of buoyancy the center of gravity of the body andthe meta center the center of gravity of the body and the center of pressure center of buoyancy and metacentre the center of gravity of the body and the center of buoyancy ANSWER DOWNLOAD EXAMIANS APP
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