एक अपकेंद्रीय पंप (centrifugal pump) में, जब प्ररित करनेवाला (impeller) की गति दोगुनी हो जाती है, तो विकसित शीर्ष (head developed) हो जाता है:

The ratio of the specific weight of a liquid to the specific weight of a standard fluid is known as:

The magnitude of the buoyant force depends on the _____________.

In incompressible fluid dynamics, the continuity equation is ∂u/∂x + ∂v/∂y + ∂w/∂z = 0. What physical law does this equation represent?