In a dry packed bed, the pressure drop will be changed by increasing the flow rate as__________________?
Correct answer: A. V1.8
- A. V1.8
- B. V-0.8
- C. V
- D. V-1
Explanation
For a dry packed bed, the combined viscous and inertial resistance gives a pressure-drop dependence commonly correlated approximately as ΔP ∝ V^1.8 over practical flow ranges. The exact Ergun equation contains both V and V² terms, so 1.8 is an empirical approximation rather than a universal exponent.
Report an error
The more specific you are, the faster it gets fixed. A source beats an opinion.
Prefer email? support@testustad.com
Practise Fluid Flow Operations
909 free Fluid Flow Operations MCQs from Chemical Engineering, each with the correct answer and an explanation. Unlimited attempts, no account needed.
Exams that ask Chemical Engineering questions like this
Chemical Engineering is on this paper prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for it.
More Fluid Flow Operations questions
Drag force on the float of a Rotameter is (where Q = flow rate of the)__________________?
A piezometer provided in the pipe measures__________________?
Which of the following equations is valid for laminar flow of a fluid through packed bed ?
Which law/principle of solid mechanics is similar/equivalent to Newton's law of viscosity in fluid mechanics ?
Which of the following is used for very accurate measurement of flow of gas at low velocity ?
The speed of a sound wave in a gas is analogous to the speed of ______________________?