The reverse direction of flow has often been regarded as a
A) cost center.
B) cost center and a waste stream.
C) necessary evil
D) cost center, a waste stream, but a necessary evil.

Question

Quizplus · Accepted Answer

The reverse direction of flow is often seen as a cost center because it involves additional expenses for treatment and disposal. It is also considered a waste stream because it represents unwanted byproducts or materials that cannot be used in the production process. However, it is still a necessary part of many industrial processes and cannot be eliminated entirely, making it a necessary evil. Therefore, option D, which includes all three choices, is the best answer.

The Reverse Direction of Flow Has Often Been Regarded as a