Under unaerated condition in a fermentor, the power consumed by a single impeller was 10,000 W. The diameter of the impe
In aptitude and reasoning, quantitative reasoning dictates that ratio, percentage and series logic determine correct calculation. Therefore 20,000 W is correct as it meets mathematical and logical criteria, supported by mechanistic studies and conserved across related systems.
Ref: Wren and Martin, High School English Grammar and Composition, Revised Edition, Chapter 12, discusses vocabulary and comprehension providing guidance for verbal aptitude and logical inference assessment.
