Geotechnical Engineering Questions and Answers – Steady Flow to a Well : Dupuit’s Theory

Geotechnical Engineering Objective Questions

Civil Engineering MCQs

This set of

1. Which of the following test is commonly adopted for determining soil permeability of soil formations?

A) Pumping-in test and Pumping-out test
B) Horizontal capillary test
C) None of the mentioned
D) All of the mentioned

Answer is A)

2. The value of specific yield SY, of an aquifer depends on ___________

A) Grain size
B) Compaction of stratum
C) Grain shape
D) All of the mentioned

Answer is D)

3. Specific yield of unconfined aquifer indicates __________

A) Water capacity
B) Volume of water
C) Water retained
D) All of the mentioned

Answer is )

4. Dupuit’s theory was later modified by _________

A) Thiem
B) Darcy
C) Alam Singh
D) Louden

Answer is A)

5. The parabolic depression in the aquifer is called as __________

A) Cone of depression and Drawdown curve
B) Parabolic curve
C) None of the mentioned
D) All of the mentioned

Answer is A)

6. In most of the confined aquifers,the value of storage coefficient ranges between __________

A) 0.05 to 0.0005
B) 0.5 to 0.005
C) 0.00005 to 0.005
D) 0 to 5

Answer is C)

7. Which of the following is depicted by Dupuit’s theory?

A) The velocity of flow
B) Co-efficient of transmissibility
C) Radial flow of water
D) Volume of aquifer

Answer is C)

8. The co-efficient of transmissibility (T) of an aquifer is given by which of the following equation?

A) T=b k
B) T=b/k
C) T=(b k)2
D) T=k/b

Answer is A)

9. According to Dupuit’s theory,the velocity of flow is proportional to__________

A) Sine of hydraulic gradient
B) Tangent of hydraulic gradient
C) None of the mentioned
D) All of the mentioned

Answer is B)

10. Dupuit’s theory states that, the Darcy’s law equation is not valid near_________

A) Well face
B) Top Surface of well
C) Sides of the well
D) All of the mentioned

... Answer is A)