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Biochemical Engineering - Agitation and Aeration

Exercise : Agitation and Aeration - Section 3
21.
Which of the following will have the largest interfacial area per unit volume?
A bubble with a diameter of 1 mm
A bubble with a diameter of 5 mm
A bubble with a diameter of 15 mm
A bubble with a diameter of 50 mm
Answer: Option
Explanation:
No answer description is available. Let's discuss.
22.
Which device is commonly used for measuring the rate of rotation (rpm) of the stirrer shaft?
Anemometer
Manometer
Tachometer
Barometer
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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