A higher liquid height will lead to a higher gas hold up by which the oxygen transfer rate will be

Question: Impeller damage can be minimized by
[A].

using specially designed axial flow impellers

[B].

using radial flow impellers

[C].

using Intermig impellers

[D].

all of the above

Answer: Option A

Explanation:

No answer description available for this question.

Question: Which of the following is correct for the off-centre impellers?
[A].

Off-centre impellers can be used with any size reactor

[B].

Off-centre impellers should only be used with reactors with volumes less than 10 m3

[C].

The impeller should never be placed in an off-centre position

[D].

Off-centre impellers can be used when volume is greater than 10 m3

Answer: Option B

Explanation:

No answer description available for this question.