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MCQs

Total Questions : 90 | Page 7 of 9 pages
Question 61. Stress strain relationship for a Newtonian fluid is __________
  1.    Hyperbolic
  2.    Parabolic
  3.    Linear
  4.    Inverse type
 Discuss Question
Answer: Option C. -> Linear
Answer: (c).Linear
Question 62. For non-Newtonian fluids, apparent viscosity is a function of __________
  1.    shear rate
  2.    flow rate
  3.    viscous rate
  4.    specific rate
 Discuss Question
Answer: Option A. -> shear rate
Answer: (a).shear rate
Question 63. Which of the following are now Newtonian material which is time independent?
  1.    Thixotropic
  2.    Rheo-pectic
  3.    Anti-thixotropic
  4.    Plastic
 Discuss Question
Answer: Option D. -> Plastic
Answer: (d).Plastic
Question 64. Which among the following is not the example of thixotropic fluid?
  1.    Yogurt
  2.    Ice cream
  3.    Mayonnaise
  4.    Milk
 Discuss Question
Answer: Option D. -> Milk
Answer: (d).Milk
Question 65. Which of the following are now Newtonian materials which are time dependent?
  1.    Shear thickening
  2.    Rheo-pectic
  3.    Shear thinning
  4.    plastic
 Discuss Question
Answer: Option B. -> Rheo-pectic
Answer: (b).Rheo-pectic
Question 66. The force required to maintain a relative velocity of 1cm/sec between two parallel planes placed 1 cm apart is called ________
  1.    acceleration
  2.    buoyancy force
  3.    viscosity
  4.    flow
 Discuss Question
Answer: Option A. -> acceleration
Answer: (a).acceleration
Question 67. Flow is a kind of __________
  1.    Breakage
  2.    Reversible deformation
  3.    Irreversible deformation
  4.    Liquid
 Discuss Question
Answer: Option C. -> Irreversible deformation
Answer: (c).Irreversible deformation
Question 68. Deformation force can be ______________
  1.    Static
  2.    Dynamic
  3.    Static and dynamic
  4.    Short
 Discuss Question
Answer: Option C. -> Static and dynamic
Answer: (c).Static and dynamic
Question 69. Viscosity varied ________ with temperature and _______ with fat content of milk.
  1.    Linearly and exponentially
  2.    Exponentially and linearly
  3.    Exponentially and exponentially
  4.    Linearly and linearly
 Discuss Question
Answer: Option B. -> Exponentially and linearly
Answer: (b).Exponentially and linearly
Question 70. Elasticity is___________
  1.    Breakage
  2.    Reversible deformation
  3.    Irreversible deformation
  4.    Liquid
 Discuss Question
Answer: Option B. -> Reversible deformation
Answer: (b).Reversible deformation

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