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Which of the following agitator consists of vanes attached vertically inside?

(a) vaned discs

(b) disc turbines

(c) variable pitch turbines

(d) marine propeller

I had been asked this question during an online exam.

I need to ask this question from Fermenter Design in section Design of Fermenter of Fermentation Technology

1 Answer

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Best answer
Correct answer is (a) vaned discs

The best explanation: The vaned discs are the type of agitators that consists of rectangular vanes attached vertically to the underside. Whereas the disc turbines include a series of rectangular vanes attached around the circumference of the discs.

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