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MCQs

Total Questions : 90 | Page 9 of 9 pages
Question 81. Temperatures above 65° C _______ viscosity of skim milk.
  1.    Parabolic decrease
  2.    Linear decrease
  3.    Constant
  4.    Increase
 Discuss Question
Answer: Option D. -> Increase
Answer: (d).Increase
Question 82. The unit of viscosity is __________
  1.    Gamma
  2.    Pascal
  3.    Poise
  4.    Bar
 Discuss Question
Answer: Option C. -> Poise
Answer: (c).Poise
Question 83. Which of the following factors does not affect the viscosity of milk?
  1.    State and concentration of proteins
  2.    State and concentration of Fat
  3.    Temperature and Age of Milk
  4.    Spoilage
 Discuss Question
Answer: Option D. -> Spoilage
Answer: (d).Spoilage
Question 84. Lactose, whey proteins and milk salts have less contribution towards the viscosity of milk compared with the casein which alone is contributing substantially towards this property.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 85. Cooled raw milk and cream exhibit which of the following flow behavior?
  1.    Newtonian
  2.    Non Newtonian
  3.    Sticky
  4.    None
 Discuss Question
Answer: Option B. -> Non Newtonian
Answer: (b).Non Newtonian
Question 86. Ostwald, Herschel-Bulkley, Steiger-Ory, Bingham, Ellis and Eyring. The following models are to study the flow behavior of?
  1.    Newtonian fluid
  2.    Non-Newtonian fluid
  3.    Dilated fluid
  4.    Ideal fluid
 Discuss Question
Answer: Option B. -> Non-Newtonian fluid
Answer: (b).Non-Newtonian fluid
Question 87. Which of the following satisfy n=1 (where n is flow behavior index)?
  1.    Pseudoplastic fluid
  2.    Thixotropic fluid
  3.    Newtonian fluid
  4.    Diliant fluid
 Discuss Question
Answer: Option C. -> Newtonian fluid
Answer: (c).Newtonian fluid
Question 88. Herschel-Bulkley model is also called as ______
  1.    Low equation
  2.    Young’s equation
  3.    Power law equation
  4.    Rutherford equation
 Discuss Question
Answer: Option C. -> Power law equation
Answer: (c).Power law equation
Question 89. Which of the following satisfy n>1 (where n is flow behavior index)?
  1.    Pseudoplastic fluid
  2.    Thixotropic fluid
  3.    Newtonian fluid
  4.    Diliant fluid
 Discuss Question
Answer: Option D. -> Diliant fluid
Answer: (d).Diliant fluid
Question 90. Which of the following satisfy n<1 (where n is flow behavior index)?
  1.    Pseudoplastic fluid
  2.    Thixotropic fluid
  3.    Newtonian fluid
  4.    Diliant fluid
 Discuss Question
Answer: Option A. -> Pseudoplastic fluid
Answer: (a).Pseudoplastic fluid

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