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Identify the part of a bio-reactor which is used as a foam braker from the given figure (A: flat bladed impeller, B: motor, C: foam breaker, D: sterile air inlet).
A
A
B
B
C
D
D
C
Explanation
Label C indicates the foam breaker at the top of the stirrer shaft.
Detailed Solution
In a continuous stirred-tank bioreactor: B represents the drive motor, C represents the foam breaker blades near the top, A represents the flat-bladed impeller blades, and D represents the sparger/sterile air entry. Thus C is the foam breaker.