Questions and answers for exam Preparation

MCQs

Total Questions : 270 | Page 3 of 27 pages

Question 21. Homogenization in which the main body of skim milk is not homogenized, but only the cream together with a small proportion of skim milk is homogenized is called?

Complete homogenization
Partial homogenization
Concentrate homogenization
Pasteurized homogenization

Discuss Question

Answer: Option B. -> Partial homogenization
Answer: (b).Partial homogenization

Question 22. Main function of first stage of homogenization is?

Fat globule reduction
Separation of clusters of fat into individual fat molecules
Oxidation
Off flavor development

Discuss Question

Answer: Option A. -> Fat globule reduction
Answer: (a).Fat globule reduction

Question 23. Main function of Second stage of homogenization is?

Fat globule reduction
Separation of clusters of fat into individual fat molecules
Oxidation
Off flavor development

Discuss Question

Answer: Option B. -> Separation of clusters of fat into individual fat molecules
Answer: (b).Separation of clusters of fat into individual fat molecules

Question 24. Which of the following factors does not contribute to enhanced stability of homogenized milk?

Decrease in the mean diameter of the fat globules
Decrease in the size distribution of the fat globules
Increase in density of the globules
Decrease in density of the globules

Discuss Question

Answer: Option D. -> Decrease in density of the globules
Answer: (d).Decrease in density of the globules

Question 25. Lack of homogenization leads to which of the following developments?

Cream layer development
Protein development
Astringency development
Increased fat content

Discuss Question

Answer: Option A. -> Cream layer development
Answer: (a).Cream layer development

Question 26. A raw water reservoir would be an example of which membrane pretreatment method (where the goal is to reduce the loading and fouling potential of the water fed to the membrane)?

Filtration
Clarification
Chemical treatment
Pasteurization

Discuss Question

Answer: Option B. -> Clarification
Answer: (b).Clarification

Question 27. Which of the following is a valid name for a test for testing membrane integrity?

Flux membrane test
Reversal of flow test
Air pressure hold test
Sediment test

Discuss Question

Answer: Option C. -> Air pressure hold test
Answer: (c).Air pressure hold test

Question 28. For surface water system, the required residual disinfectant concentration may not be less than _______ mg/L for more than ___________ hours before the first customer.