Curioustab

Home » Biochemical Engineering » Agitation and Aeration

The power required by an impeller in a gas sparged system compare to the power required by impeller operating at same speed in a gas free liquid is usually

lesser
higher
same
may be lesser or higher depending upon the geometry

Correct Answer: lesser

← Previous Question Next Question→

More Questions from Agitation and Aeration

The oxygen absorption rate can be determined by
Which of the following is not classified as an axial flow impeller?
The Intermig impeller is
To increase the oxygen transfer rate in a shake flask culture system, which of the following (s) is/are followed?
Industrial paddle agitators turn at the speed of
Detergent like substances produced by microorganisms during a fermentation will lead to
Which of the following stirrer requires least amount of energy for same yield?
Pure oxygen, if used instead of air will increase oxygen transfer rates because
A cylindrical reactor fitted with Rushton Turbine has a liquid volume of 100,000 litres. It has an aspect ratio (the ratio of the channel height to the width) of 2:1. The diameter of the impeller should be approximately:
Which of the following is correct for the off-centre impellers?

Discussion & Comments

No comments yet. Be the first to comment!

Join Discussion