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MCQs

Total Questions : 43 | Page 3 of 5 pages
Question 21. Which of the following is depicted by Dupuit’s theory?
  1.    The velocity of flow
  2.    Co-efficient of transmissibility
  3.    Radial flow of water
  4.    Volume of aquifer
 Discuss Question
Answer: Option C. -> Radial flow of water
Answer: (c).Radial flow of water
Question 22. The co-efficient of transmissibility (T) of an aquifer is given by which of the following equation?
  1.    T=b k
  2.    T=b/k
  3.    T=(b k)2
  4.    T=k/b
 Discuss Question
Answer: Option A. -> T=b k
Answer: (a).T=b k
Question 23. Dupuit’s theory states that, the Darcy’s law equation is not valid near_________
  1.    Well face
  2.    Top Surface of well
  3.    Sides of the well
  4.    All of the mentioned
 Discuss Question
Answer: Option A. -> Well face
Answer: (a).Well face
Question 24. The specific yield Sγ is given by _______
  1.    (Vwy+V)*100
  2.    (Vwy-V)*100
  3.    (Vwy/V)*100
  4.    (Vwy*V)*100
 Discuss Question
Answer: Option C. -> (Vwy/V)*100
Answer: (c).(Vwy/V)*100
Question 25. The relation between porosity n, specific retention SR, specific yield Sγ is __________
  1.    n= SR-Sγ
  2.    n= SR+Sγ
  3.    n= SR*Sγ
  4.    n= SR/Sγ
 Discuss Question
Answer: Option B. -> n= SR+Sγ
Answer: (b).n= SR+Sγ
Question 26. The specific retention SR is given by _______
  1.    (VwR+V)*100
  2.    (VwR-V)*100
  3.    (VwR/V)*100
  4.    (VwR*V)*100
 Discuss Question
Answer: Option C. -> (VwR/V)*100
Answer: (c).(VwR/V)*100
Question 27. In the storage coefficient, the unit change in the component of the head is measured in _________ to the surface.
  1.    normal
  2.    tangential
  3.    radial
  4.    inclined at 30°
 Discuss Question
Answer: Option A. -> normal
Answer: (a).normal
Question 28. The value of specific yield depends upon the shape of the pores.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 29. The coefficient of transmissibility is defined as the rate of flow of water through a horizontal strip of unit width and full saturation height under unit 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 30. If b is the aquifer thickness, the relationship between coefficient of transmissibility T and coefficient of permeability is ________
  1.    T=bk
  2.    T=b/k
  3.    T=b+k
  4.    T=b-k
 Discuss Question
Answer: Option A. -> T=bk
Answer: (a).T=bk

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