Chemical Engineering :: Fluid Mechanics
- Creeping flow around a sphere is defined, when particle Reynolds number is
- Laminar flow of a Newtonion fluid ceases to exist, when the Reynolds number exceeds
- Specific speed of a centrifugal pump depends upon the __________ head.
- The energy equation, E + P/ρ + V²/2g +gZ (E = internal energy/mass), is applicable to
- Pick out the correct statement pertaining to transition/ entrance length in fluid flow.
- Head developed by a centrifugal pump depends on its
- Each term of the Bernoulli's equation written in the form, P/ρ + g/gc .Z + v²/2gc = constant , represents the total energy per unit
- The rate of shear versus the shear stress curves are time dependent for __________ fluid.
- Boundary layer separation is caused by the
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A.
The length of entrance region of pipe, in which full development of fluid flow takes place such that velocity profile does not change downstream, is called the transition length |
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B.
Transition length for laminar flow of Newtonion fluids in a pipe of diameter 'd' is equal to 0.05. D.NRe |
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C.
Transition length for turbulent flow of Newtonion fluids in a smooth pipe of diameter 'd' is equal to 50 D |
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D.
All of the above |