An internal draft tube is preferrred to an external draft tube because

Question: An internal draft tube is preferrred to an external draft tube because
[A].

it is easier to clean and sterilize a reactor

[B].

it is cheaper to build a reactor with an internal draft tube

[C].

Both (a) and (b)

[D].

none of the above

Answer: Option A

Explanation:

No answer description available for this question.