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MCQs

Total Questions : 99 | Page 7 of 10 pages
Question 61. If the discharge velocity is 4*10¯⁷cm/s and the porosity is 33%, then the seepage velocity will be _______
  1.    18*10¯⁷cm/s
  2.    12*10¯⁷cm/s
  3.    6*10¯⁷cm/s
  4.    3*10¯⁷cm/s
 Discuss Question
Answer: Option B. -> 12*10¯⁷cm/s
Answer: (b).12*10¯⁷cm/s
Question 62. The unit coefficient of permeability is ______
  1.    cm
  2.    s
  3.    cm/s
  4.    cm/s²
 Discuss Question
Answer: Option C. -> cm/s
Answer: (c).cm/s
Question 63. If the soil has discharge velocity is 9*10¯⁷cm/s and the voids ratio of 0.5, then the seepage velocity will be _______
  1.    18*10¯⁷cm/s
  2.    27*10¯⁷cm/s
  3.    16*10¯⁷cm/s
  4.    13*10¯⁷cm/s
 Discuss Question
Answer: Option B. -> 27*10¯⁷cm/s
Answer: (b).27*10¯⁷cm/s
Question 64. The velocity of flow is proportional to _________ according to Darcy’s law.
  1.    effective stress
  2.    hydraulic gradient
  3.    cohesion
  4.    adhesion
 Discuss Question
Answer: Option B. -> hydraulic gradient
Answer: (b).hydraulic gradient
Question 65. The relationship between coefficient of permeability and coefficient of percolation is ______
  1.    kₚ=kn
  2.    kₚ=ke
  3.    kₚ=k/e
  4.    kₚ=k/n
 Discuss Question
Answer: Option D. -> kₚ=k/n
Answer: (d).kₚ=k/n
Question 66. If the coefficient of permeability of soil is 9*10¯⁷cm/s and porosity is 0.33, then its coefficient of percolation is ______
  1.    8*10¯⁷cm/s
  2.    27*10¯⁷cm/s
  3.    26*10¯⁷cm/s
  4.    13*10¯⁷cm/s
 Discuss Question
Answer: Option B. -> 27*10¯⁷cm/s
Answer: (b).27*10¯⁷cm/s
Question 67. If the coefficient of percolation is 18*10¯⁷cm/s and void ratio is 0.5, then the coefficient of permeability k is _________
  1.    26*10¯⁷cm/s
  2.    6*10¯⁷ cm/s
  3.    3*10¯⁷cm/s
  4.    13*10¯⁷cm/s
 Discuss Question
Answer: Option B. -> 6*10¯⁷ cm/s
Answer: (b).6*10¯⁷ cm/s
Question 68. The coefficient of permeability is equal to velocity of flow when _________
  1.    hydraulic gradient is equal to one
  2.    hydraulic gradient is less than one
  3.    hydraulic gradient is greater than one
  4.    hydraulic gradient is equal to zero
 Discuss Question
Answer: Option A. -> hydraulic gradient is equal to one
Answer: (a).hydraulic gradient is equal to one
Question 69. Darcy’s law of linear dependency is valid for only _______ flow conditions in soil.
  1.    laminar and turbulent
  2.    laminar
  3.    turbulent
  4.    intermediate
 Discuss Question
Answer: Option A. -> laminar and turbulent
Answer: (a).laminar and turbulent
Question 70. For Darcy’s law to be valid, the Reynolds number should be ________
  1.    greater than one
  2.    less than one
  3.    equal to one
  4.    greater than five
 Discuss Question
Answer: Option B. -> less than one
Answer: (b).less than one

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