Scale up of agitator design requires________________?
Correct answer: B. All geometrical, dynamic and kinematic similarity
- A. Geometrical similarity only
- B. All geometrical, dynamic and kinematic similarity
- C. Both geometrical and dynamic similarity
- D. Dynamic similarity only
Explanation
Reliable agitator scale-up requires geometrical similarity along with dynamic and kinematic similarity so that the flow pattern and force relationships remain comparable. Geometrical similarity alone cannot preserve mixing performance.
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