Which of the following is not an ultrafine grinder ...
Question is : Which of the following is not an ultrafine grinder (colloid mill)?, Options is : 1. Agitated mills and fluid energy mills, 2. Micronizers, 3.Hammer mills with internal classification, 4. Toothed roll crusher, 5. NULL. Which of the following is not an ultrafine grinder (colloid mill)? This is a Most important question of gk exam.