Hydraulics & Fluid Mechanics For a floating body to be in stable equilibrium, its metacentre should be above the center of gravity. below the center of buoyancy above the center of buoyancy between e.g. and center of pressure above the center of gravity. below the center of buoyancy above the center of buoyancy between e.g. and center of pressure ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics For measuring flow by a venturimeter, if should be installed in horizontal line vertical line in any direction and in any location. inclined line with upward flow horizontal line vertical line in any direction and in any location. inclined line with upward flow ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The normal stress is same in all directions at a point in a fluid 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 irrespective of the motion of one fluid layer relative to an adjacent layer ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics Free surface of a liquid tends to contract to the smallest possible area due to force of viscosity cohesion friction surface tension viscosity cohesion friction surface tension ANSWER DOWNLOAD EXAMIANS APP
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 100 200 less than 1 160 between 1 and 100 200 less than 1 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The increase in meta centric height i) increases stability ii) decreases stability iii) increases comfort for passengers iv) decreases comfort for passengers The correct answer is (i) and (iv) (i) and (iii) (ii) and (iv) (ii) and (iii) (i) and (iv) (i) and (iii) (ii) and (iv) (ii) and (iii) ANSWER DOWNLOAD EXAMIANS APP