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MCQs

Total Questions : 219 | Page 7 of 22 pages
Question 61. The equation given by Skempton for compression index for a remoulded sample is ___________
  1.    Cc=0.009(wL-10%)
  2.    Cc=0.007(wL-10%)
  3.    Cc=0.007(wL-20%)
  4.    Cc=0.007(wL-30%)
 Discuss Question
Answer: Option B. -> Cc=0.007(wL-10%)
Answer: (b).Cc=0.007(wL-10%)
Question 62. The Cc for ordinary clay of medium to low sensitivity, the value of Cc corresponding to the field consolidation line is given by ______
  1.    Cc=0.009(wL-10%)
  2.    Cc=0.007(wL-10%)
  3.    Cc=0.007(wL-20%)
  4.    Cc=0.007(wL-30%)
 Discuss Question
Answer: Option A. -> Cc=0.009(wL-10%)
Answer: (a).Cc=0.009(wL-10%)
Question 63. For an ordinary clay of medium to low sensitivity, the value of Cc corresponding to the field consolidation line is roughly equal to __________ the compression index of remolded sample.
  1.    1.3
  2.    2.3
  3.    3.3
  4.    4.3
 Discuss Question
Answer: Option A. -> 1.3
Answer: (a).1.3
Question 64. The coefficient of compressibility aᵥ is given by _____________
  1.    \(a_v=-\frac{e_0}{∆σ’}\)
  2.    \(a_v=-\frac{∆σ’}{∆e}\)
  3.    aᵥ=-∆e
  4.    \(a_v=-\frac{∆e}{∆σ^{‘}}\)
 Discuss Question
Answer: Option D. -> \(a_v=-\frac{∆e}{∆σ^{‘}}\)
Answer: (d).\(a_v=-\frac{∆e}{∆σ^{‘}}\)
Question 65. The equation for pre-compressed soil given by Hough (1957) is ______
  1.    Cc=0.009(wL-10%)
  2.    Cc=0.007(wL-10%)
  3.    Cc=0.3(e0-0.27)
  4.    Cc=0.007(wL-30%)
 Discuss Question
Answer: Option C. -> Cc=0.3(e0-0.27)
Answer: (c).Cc=0.3(e0-0.27)
Question 66. For a given difference in pressure, the value of aᵥ _______ as pressure increases.
  1.    increases
  2.    decreases
  3.    is same
  4.    becomes unity
 Discuss Question
Answer: Option B. -> decreases
Answer: (b).decreases
Question 67. When the soil is laterally confined, the changes in volume is ______
  1.    proportional to change in thickness ∆H
  2.    inversely proportional to change in thickness ∆H
  3.    equal to change in thickness ∆H
  4.    does not depend upon the thickness
 Discuss Question
Answer: Option A. -> proportional to change in thickness ∆H
Answer: (a).proportional to change in thickness ∆H
Question 68. The relation between mᵥ and aᵥ is __________
  1.    \(m_v=\frac{a_v}{e_0} \)
  2.    \(m_v=\frac{a_v}{1+∆σ’} \)
  3.    \(m_v=\frac{a_v}{1+e_0} \)
  4.    \(m_v=\frac{1}{e_0}\frac{a_v}{1+e_0} \)
 Discuss Question
Answer: Option C. -> \(m_v=\frac{a_v}{1+e_0} \)
Answer: (c).\(m_v=\frac{a_v}{1+e_0} \)
Question 69. The coefficient of volume change mᵥ is given by ______
  1.    \(m_v= \frac{1}{∆σ’} \)
  2.    \(m_v= \frac{-∆e}{1+e_o} \)
  3.    \(m_v= \frac{-∆e}{1+e_o} \frac{1}{∆σ}\)
  4.    \(m_v= \frac{-∆e}{1+e_o} \frac{1}{∆σ’} \)
 Discuss Question
Answer: Option D. -> \(m_v= \frac{-∆e}{1+e_o} \frac{1}{∆σ’} \)
Answer: (d).\(m_v= \frac{-∆e}{1+e_o} \frac{1}{∆σ’} \)
Question 70. The coefficient of volume change mᵥ is also known as ______________
  1.    coefficient of compressibility
  2.    coefficient of volume compressibility
  3.    compression index
  4.    expansion index
 Discuss Question
Answer: Option B. -> coefficient of volume compressibility
Answer: (b).coefficient of volume compressibility

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