Hydraulics & Fluid Mechanics
Metacentric height is given as the distance between

the center of gravity of the body and the center of buoyancy
center of buoyancy and metacentre
the center of gravity of the body and the center of pressure
the center of gravity of the body andthe meta center

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Hydraulics & Fluid Mechanics
For laminar flow in a pipe of circular cross-section, the Darcy’s friction factor f is

inversely proportional to Reynolds number and directly proportional to pipe wall roughness
directly proportional to pipe wall roughness and independent of Reynolds number
inversely proportional to Reynolds number and indpendent of pipe wall roughness
directly proportional to Reynolds number and independent of pipe wall roughness

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