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MCQs

Total Questions : 99 | Page 10 of 10 pages
Question 91. In the definition of the seepage velocity, the cross-sectional area of the voids is taken as _______ to the direction of flow.
  1.    parallel
  2.    opposite
  3.    perpendicular
  4.    tangential
 Discuss Question
Answer: Option C. -> perpendicular
Answer: (c).perpendicular
Question 92. The relation between discharge velocity and seepage velocity is ________
  1.    Vₛ=Ve
  2.    Vₛ=Vn
  3.    Vₛ=V/e
  4.    Vₛ=V/n
 Discuss Question
Answer: Option D. -> Vₛ=V/n
Answer: (d).Vₛ=V/n
Question 93. Darcy’s law describes the state of flow within individual pores.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option B. -> False
Answer: (b).False
Question 94. Seepage velocity is inversely proportional to hydraulic gradient.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option B. -> False
Answer: (b).False
Question 95. The hydraulic radius RH is related with the voids ratio as ________
  1.    RH=Vₛ/eAₛ
  2.    RH=eVₛAₛ
  3.    RH=e/AₛVₛ
  4.    RH=eVₛ/Aₛ
 Discuss Question
Answer: Option D. -> RH=eVₛ/Aₛ
Answer: (d).RH=eVₛ/Aₛ
Question 96. The quantity of flow for circular tube with respect to the hydraulic radius is given by ________
  1.    \(q=\frac{1}{2}\frac{γ_w R_H^2}{η} \)
  2.    \(q=\frac{1}{2}\frac{γ_w R_H^2}{η}ia\)
  3.    \(q=\frac{1}{2}\frac{γ_w R_H^2}{η}i\)
  4.    \(q=\frac{1}{2}\frac{γ_w R_H^2}{η}a \)
 Discuss Question
Answer: Option B. -> \(q=\frac{1}{2}\frac{γ_w R_H^2}{η}ia\)
Answer: (b).\(q=\frac{1}{2}\frac{γ_w R_H^2}{η}ia\)
Question 97. Based on Allen Hazen experiments, permeability can be expressed as ___________
  1.    K=CD102
  2.    K=CD210
  3.    K=DC210
  4.    K=DC102
 Discuss Question
Answer: Option A. -> K=CD102
Answer: (a).K=CD102
Question 98. Which of the following factors affects the permeability of soil?
  1.    Grain size
  2.    Properties of pore fluid
  3.    Void ratio of soils
  4.    All of the mentioned
 Discuss Question
Answer: Option D. -> All of the mentioned
Answer: (d).All of the mentioned
Question 99. The relationship between the quantity of flow with respect to the hydraulic radius and the voids ratio is given by ________
  1.    \(q=\frac{γ_w R_H^2}{η}\frac{e}{1+e}iA\)
  2.    \(q=C_S\frac{γ_w R_H^2}{η}\frac{e}{1+e}\)
  3.    \(q=C_S\frac{γ_w R_H^2}{η}iA\)
  4.    \(q=C_S\frac{γ_w R_H^2}{η}\frac{e}{1+e}iA\)
 Discuss Question
Answer: Option D. -> \(q=C_S\frac{γ_w R_H^2}{η}\frac{e}{1+e}iA\)
Answer: (d).\(q=C_S\frac{γ_w R_H^2}{η}\frac{e}{1+e}iA\)

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