Size  Reduction

Size reduction is a process of reducing large solid unit masses into small unit masses, coarse particles or fine particles.

Hand mills are used for grinding small quantities of ____________ drug compound. A. Mineral origin B. Animal origin C. Vegetable origin D. Other

Fluid energy mill is also known as__________ A. Micronizers B. Jet mill C. Pulverizers D. All of the above

End runner mill works on the principle of ___________ A. Crushing and friction B. Cutting and attrition C. Crushing and shearing D. Crushing and grinding

Cutter mill is fitted with__________ knives. A. Stationary B. Rotating C. Both A and B D. Other than above

Size reduction is always carried out in the colloid mill in presence of _____________ A. Inert solid material B. liquid C. Gas D. None of the above