Questions and answers for exam Preparation

MCQs

Total Questions : 99 | Page 2 of 10 pages

Question 11. What is the diameter of the permeameter mould (i.e. Cylinder), used in Jodhpur permeameter?

79.8 mm
50 mm
300 mm
60 mm

Discuss Question

Answer: Option A. -> 79.8 mm
Answer: (a).79.8 mm

Question 12. Which of the following tools is not used in static compaction?

Split collar
Perforated plate
DRT
Top cap

Discuss Question

Answer: Option C. -> DRT
Answer: (c).DRT

Question 13. The specimen in permeameter is compacted dynamically using___________

DRT
Split collar
Rod temper
Core cutter

Discuss Question

Answer: Option C. -> Rod temper
Answer: (c).Rod temper

Question 14. If permeability at proctor’s maximum dry density is required, which of the following method can be used?

Jodhpur mini compactor test
Proctor test
Compaction in permeameter
All of the mentioned

Discuss Question

Answer: Option D. -> All of the mentioned
Answer: (d).All of the mentioned

Question 15. The permeameter assembly is placed in ____________ of the Jodhpur permeameter apparatus.

Bottom tank
Top of cylinder
Below the top plate
None of the mentioned

Discuss Question

Answer: Option A. -> Bottom tank
Answer: (a).Bottom tank

Question 16. The average coefficient of permeability of whole deposit will depend upon _________

direction of flow with respect to bedding plane
direction of flow but not with respect to the bedding plane
length of the bedding plane
width of the bedding plane

Discuss Question

Answer: Option A. -> direction of flow with respect to bedding plane
Answer: (a).direction of flow with respect to bedding plane

Question 17. The average permeability perpendicular to the bedding planes is given by________

\(k = \frac{k_1 z_1+k_2 z_2+⋯.+k_n z_n}{z}*\frac{1}{2} \)
\(k = \frac{1}{\frac{z_1}{k_1} +\frac{z_2}{k_2} +⋯+\frac{z_n}{k_n}} \)
\(k = \frac{z}{\frac{z_1}{k_1} +\frac{z_2}{k_2} +⋯+\frac{z_n}{k_n}} \)
\(k = \frac{k_1 z_1+k_2 z_2+⋯.+k_n z_n}{z} \)

Discuss Question

Answer: Option C. -> \(k = \frac{z}{\frac{z_1}{k_1} +\frac{z_2}{k_2} +⋯+\frac{z_n}{k_n}} \)
Answer: (c).\(k = \frac{z}{\frac{z_1}{k_1} +\frac{z_2}{k_2} +⋯+\frac{z_n}{k_n}} \)

Question 18. The average permeability parallel to the bedding planes is given by________

\(k = \frac{k_1 z_1+k_2 z_2+⋯.+k_n z_n}{z}*\frac{1}{2} \)
\(k = \frac{1}{\frac{z_1}{k_1} +\frac{z_2}{k_2} +⋯+\frac{z_n}{k_n}} \)
\(k = \frac{z}{\frac{z_1}{k_1} +\frac{z_2}{k_2} +⋯+\frac{z_n}{k_n}} \)
\(k = \frac{k_1 z_1+k_2 z_2+⋯.+k_n z_n}{z} \)

Discuss Question

Answer: Option D. -> \(k = \frac{k_1 z_1+k_2 z_2+⋯.+k_n z_n}{z} \)
Answer: (d).\(k = \frac{k_1 z_1+k_2 z_2+⋯.+k_n z_n}{z} \)

Question 19. A soil deposit has three layers of soil. The permeability of the second layer is twice that of the first layer and the permeability of the third layer is thrice that of the first layer. The thickness of each layer is 5m. What will be its average permeability parallel to the bedding plane?

Discuss Question

Answer: Option B. -> 2k
Answer: (b).2k

Question 20. What will be its average permeability perpendicular to the bedding plane if a soil deposit has three layers of soil? The permeability of the second layer is twice that of the first layer and the permeability of the third layer is thrice that of the first layer. The thickness of each layer is 5m.