Chemical Engineering :: Fluid Mechanics
- Pascal's law is valid, only when the fluid is
- Friction factor for a hydraulically smooth pipe at NRe = 2100 is f₁. If the pipe is further smoothened (i.e., roughness is reduced), the friction factor at the same value of NRe, will
- Two piping system are said to be equivalent, when the __________ are same.
- The pressure at a point in a fluid is not the same in all directions, when the fluid is viscous and
- In fluid flow, the stagnation point is defined as a point, where the __________ is zero.
- A particle A of diameter 10 microns settles in an oil of specific gravity 0.9 and viscosity 10 poise under Stoke's law. A particle B with diameter 20 microns settling in the same oil will have a settling velocity
- A rectangular surface 3' x 4', has the lower 3 edge horizontal and 6' below a free oil surface (sp. gr. 0.8). The surface inclination is 300 with the horizontal. The force on one side of the surface is(where, y = specific weight of water)
- Dimension of surface tension is(where, F = force, L = length)
- In fluid flow, cavitation is caused, if the
- When the momentum of one fluid is used for moving another fluid, such a device is called a/an
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