Question Bank • QB_DFE_EXP_038 MCQ • 1 Mark

Section 7: Dairy and Food Engineering

Unit Operations in Dairy and Food Engineering

Subtopic: Pasteurization

Question Statement:

In centrifugal clarification of milk, dirt, somatic cells, leucocytes, and debris accumulate along the outer periphery of the centrifuge bowl forming a residue called:

Options:

  • (A) Separator slime
  • (B) Whey curd
  • (C) Casein precipitate
  • (D) Butter grain

Answer Key:

A

Step-by-Step Solution & Explanation

Separator slime (clarifier sludge) consists of extraneous dirt particles, leucocytes, somatic cells, epithelial cells, and heavy protein aggregates forced to the peripheral sediment space of the bowl by high centrifugal force.
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