Questions and answers for exam Preparation

MCQs

Total Questions : 189 | Page 6 of 19 pages

Question 51. In Terzaghi’s Theory of one dimensional consolidation, the deformation occurs in __________

one direction only
two directions only
three directions only
none of the direction

Discuss Question

Answer: Option A. -> one direction only
Answer: (a).one direction only

Question 52. In Terzaghi’s Theory of one dimensional consolidation, the boundary is considered to be __________

free surface offering resistance to flow of water
free surface offering no resistance to flow of water
fixed surface offering resistance to flow of water
curved surface offering resistance to water flow

Discuss Question

Answer: Option B. -> free surface offering no resistance to flow of water
Answer: (b).free surface offering no resistance to flow of water

Question 53. In Terzaghi’s Theory of one dimensional consolidation, the change in thickness of a layer during consolidation is ___________

significant
insignificant
large
very large

Discuss Question

Answer: Option B. -> insignificant
Answer: (b).insignificant

Question 54. In Terzaghi’s Theory of one dimensional consolidation, excess pore water drains out in __________

horizontal direction only
tangential direction only
vertical direction only
both horizontal and vertical direction

Discuss Question

Answer: Option C. -> vertical direction only
Answer: (c).vertical direction only

Question 55. In Terzaghi’s Theory of one dimensional consolidation, soil is restrained against lateral deformation.

True
False
May be True or False
Can't say

Discuss Question

Answer: Option A. -> True
Answer: (a).True

Question 56. The rate of change of velocity along the depth of layer is ___________

\(\frac{∂v}{∂z}=\frac{1}{γ_w}\frac{∂^2 \overline{u}}{∂z^2}\)
\(\frac{∂v}{∂z}=\frac{k}{γ_w}\frac{\overline{u}}{∂z^2} \)
\(\frac{∂v}{∂z}=\frac{∂^2\overline{u}}{∂z^2}\)
\(\frac{∂v}{∂z}=\frac{k}{γ_w}\frac{∂^2 \overline{u}}{∂z^2}\)

Discuss Question

Answer: Option D. -> \(\frac{∂v}{∂z}=\frac{k}{γ_w}\frac{∂^2 \overline{u}}{∂z^2}\)
Answer: (d).\(\frac{∂v}{∂z}=\frac{k}{γ_w}\frac{∂^2 \overline{u}}{∂z^2}\)

Question 57. _________ chart is used to find the vertical stress on Westergaard’s equation.

Influence chart
Isocurve chart
Isobar chart
Fenske’s chart

Discuss Question

Answer: Option A. -> Influence chart
Answer: (a).Influence chart

Question 58. The Newmark’s influence chart consists of _________

a single circle only
a number of circles and radiating lines
bar diagram
small rectangular unit areas

Discuss Question

Answer: Option B. -> a number of circles and radiating lines
Answer: (b).a number of circles and radiating lines

Question 59. If a uniformly loaded circular area is divided into 20 sectors, then the influence value if is given by ___________

\(\frac{1}{20}\left[1-\left[\frac{1}{1+(\frac{a}{z})^2}\right]^\frac{3}{2}\right]\)
\(20\left[1-\left[\frac{1}{1+(\frac{a}{z})^2}\right]^\frac{3}{2}\right]\)
\(20\left[1-\left[\frac{1}{1+(\frac{a}{z})^2}\right]^\frac{5}{2}\right]\)
\(\frac{1}{20}\left[1-\left[\frac{1}{1+(\frac{a}{z})^2}\right]^\frac{5}{2} \right]\)

Discuss Question

Answer: Option A. -> \(\frac{1}{20}\left[1-\left[\frac{1}{1+(\frac{a}{z})^2}\right]^\frac{3}{2}\right]\)
Answer: (a).\(\frac{1}{20}\left[1-\left[\frac{1}{1+(\frac{a}{z})^2}\right]^\frac{3}{2}\right]\)

Question 60. _________ is more accurate method of determining the vertical stress at any point.