Question

The area of neutral zone, in a centrifuge is __________

(a) Between the heavy and light liquid

(b) Next to the light liquid and away from the heavy liquid

(c) Next to the heavy liquid and away from the light liquid

(d) Above the heavy liquid and below the light liquid

I have been asked this question during an interview.

The above asked question is from Unit Operations in portion Sedimentation and Centrifuge, Mixing, Size Reduction and Separation and Material Handling and Transportation of Food Engineering

Answer 1

Correct choice is (a) Between the heavy and light liquid

For explanation I would say: The area of neutral zone, in a centrifuge is between the heavy and light liquid.