The greatest difference between the centrifuge bowl shown in the illustration and that of a tubular bowl, with straight, vertical, interior surfaces, is that the illustrated unit __________. Illustration MO-0012

Correct Answer: Option D — is self desludging

Modern disc-stack centrifugal purifiers utilize a hydraulic sliding piston mechanism to periodically purge accumulated sludge and water automatically, distinguishing them from older stationary tubular bowl centrifuges that require manual cleaning and lack self-desludging capabilities.