Questions and answers for exam Preparation

MCQs

Total Questions : 84 | Page 6 of 9 pages

Question 51. The admixture of a semi moist animal food is subjected to a sub atmospheric pressure to _____

Prevent expansion of resulting plastic mass in the extruder
Enhancing expansion of resulting plastic mass in the extruder
Enhancing contraction of resulting plastic mass in the extruder
None of the mentioned

Discuss Question

Answer: Option A. -> Prevent expansion of resulting plastic mass in the extruder
Answer: (a).Prevent expansion of resulting plastic mass in the extruder

Question 52. Which of the following property of propylene glycol makes it the most functional as an additive for use in combination with matrix material?

Propylene glycol + sorbital impart softness to product
Acts as a mold inhibator
Serves plasticizing for texture
All of the mentioned

Discuss Question

Answer: Option D. -> All of the mentioned
Answer: (d).All of the mentioned

Question 53. Which of the following is an important criteria for a pet food to have storage stability?

Water activity is less than one
Water activity is less than one & High mold inhibitor
High mold inhibitor
Neither of the mentioned

Discuss Question

Answer: Option B. -> Water activity is less than one & High mold inhibitor
Answer: (b).Water activity is less than one & High mold inhibitor

Question 54. Statement 1: With respect to meat, the red portion contains a salt binder to cause tackiness at temperatures above 48 °C.
Statement 2: The white portion + red portion form an integral mass having interface between layers.

True, False
True, True
False, False
False, True

Discuss Question

Answer: Option B. -> True, True
Answer: (b).True, True

Question 55. In a specified system, water activity is defined as the ratio of _____

Fugacity of water vapor to fugacity of pure water at the specified system temperature and 1 atmospheric pressure
Fugacity of pure water at the specified system temperature and 1 atmospheric pressure to fugacity of water vapor
Fugacity of pure water at the specified system temperature and 1 atmospheric pressure
Fugacity of water vapor

Discuss Question

Answer: Option A. -> Fugacity of water vapor to fugacity of pure water at the specified system temperature and 1 atmospheric pressure
Answer: (a).Fugacity of water vapor to fugacity of pure water at the specified system temperature and 1 atmospheric pressure

Question 56. Which of the following law gives the relationship between the moles of water and the moles of solute in a solution and its water activity?