Chemical Engineering :: Fluid Mechanics
- For the laminar flow of a fluid in a circular pipe of radius R, the Hagen-Poisseule equation predicts the volumetric flow rate to be proportional to
- When a fluid flows over a solid surface, the
- Which of the following can be used for the direct measurement of volumetric flow rate of slurry?
- In case of a pipe of constant cross-sectional area, the maximum fluid velocity obtainable is
- Minimum porosity for fluidisation is
- For turbulent flow of newtonion fluid in a circular cross-section pipe, the ratio of maximum to average fluid velocity is
- Efficiency of power transmission (η) through a circular pipe is given by (ht - hf)/ht, which has a maximum value of __________ percent.
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A centrifugal pump has the following specifications:
Power = 4 H.P.; Speed = 800 rpm
Head = 8 metres
Flow = 1000 litres/minutes.
If its speed is halved, the power consumed now will be __________ hp. - Pick out the wrong statement pertaining to fluid flow.
- The discharge co-efficient for an orificemeter does not depend upon the
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A.
The ratio of average velocity to the maximum velocity for turbulent flow of Newtonion fluid in circular pipes is 0.5 |
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B.
The Newtonion fluid velocity in a circular pipe flow is maximum at the centre of the pipe |
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C.
Navier-Stokes equation is applicable to the analysis of viscous flows |
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D.
Hagen-Poiseuille equation is applicable to the laminar flow of Newtonion fluids |