One Dimensional Consolidation MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on One Dimensional Consolidation, a fundamental topic in the field of Geotechnical Engineering. Whether you're preparing for competitive exams, honing your problem-solving skills, or simply looking to enhance your abilities in this field, our One Dimensional Consolidation MCQs are designed to help you grasp the core concepts and excel in solving problems.

In this section, you'll find a wide range of One Dimensional Consolidation mcq questions that explore various aspects of One Dimensional Consolidation problems. Each MCQ is crafted to challenge your understanding of One Dimensional Consolidation principles, enabling you to refine your problem-solving techniques. Whether you're a student aiming to ace Geotechnical Engineering tests, a job seeker preparing for interviews, or someone simply interested in sharpening their skills, our One Dimensional Consolidation MCQs are your pathway to success in mastering this essential Geotechnical Engineering topic.

Note: Each of the following question comes with multiple answer choices. Select the most appropriate option and test your understanding of One Dimensional Consolidation. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

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One Dimensional Consolidation MCQs | Page 5 of 22

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Q41.
The compression index is given by _________

a.

\(C_c=\frac{e_0-e}{log_{10} \frac{σ’}{σ’_0}}\)

b.

\(C_c=\frac{e}{log_{10} \frac{σ’}{σ’_0}}\)

c.

\(C_c=\frac{e_0-e}{\frac{σ’}{σ’_0}}\)

d.

\(C_c=\frac{e_0}{log_{10} \frac{σ’}{σ’_0}}\)

Discuss
Answer: (a).\(C_c=\frac{e_0-e}{log_{10} \frac{σ’}{σ’_0}}\)
Q42.
The difference in voids ratio ∆e of initial and increased pressure is given by __________

a.

\(∆e=log_{10}\frac{σ’_0+∆σ’}{σ’_0}\)

b.

\(∆e=C_c \frac{σ’_0+∆σ’}{σ’_0}\)

c.

\(∆e=C_c log_{10} \frac{σ’_0+∆σ’}{σ’_0}\)

d.

\(∆e=C_c log_{10} \frac{σ’_0}{σ’_0} \)

Discuss
Answer: (c).\(∆e=C_c log_{10} \frac{σ’_0+∆σ’}{σ’_0}\)
Q43.
The expansion index is a ‘curve’ on semi log plot.

a.

True

b.

False

c.

May be True or False

d.

Can't say

Discuss
Answer: (b).False
Q44.
The expansion index is also known as ___________

a.

compressibility index

b.

compression index

c.

swelling index

d.

consolidation index

Discuss
Answer: (c).swelling index
Q45.
The expansion curve is given by the expression ___________

a.

\(e_0=elog_{10} \frac{σ’_0+∆σ’}{σ’_0} \)

b.

\(e_0=e/C_s \frac{σ’_0+∆σ’}{σ’_0} \)

c.

\(e_0=e-C_s log_{10}\frac{σ’_0+∆σ’}{σ’_0} \)

d.

\(e_0=e+C_s log_{10} \frac{σ’}{σ’_0} \)

Discuss
Answer: (d).\(e_0=e+C_s log_{10} \frac{σ’}{σ’_0} \)
Q46.
The equation given by Skempton for compression index for a remoulded sample is ___________

a.

Cc=0.009(wL-10%)

b.

Cc=0.007(wL-10%)

c.

Cc=0.007(wL-20%)

d.

Cc=0.007(wL-30%)

Discuss
Answer: (b).Cc=0.007(wL-10%)
Q47.
For an ordinary clay of medium to low sensitivity, the value of Cc corresponding to the field consolidation line is roughly equal to __________ the compression index of remolded sample.

a.

1.3

b.

2.3

c.

3.3

d.

4.3

Discuss
Answer: (a).1.3
Q48.
The Cc for ordinary clay of medium to low sensitivity, the value of Cc corresponding to the field consolidation line is given by ______

a.

Cc=0.009(wL-10%)

b.

Cc=0.007(wL-10%)

c.

Cc=0.007(wL-20%)

d.

Cc=0.007(wL-30%)

Discuss
Answer: (a).Cc=0.009(wL-10%)
Q49.
The equation for pre-compressed soil given by Hough (1957) is ______

a.

Cc=0.009(wL-10%)

b.

Cc=0.007(wL-10%)

c.

Cc=0.3(e0-0.27)

d.

Cc=0.007(wL-30%)

Discuss
Answer: (c).Cc=0.3(e0-0.27)
Q50.
The coefficient of compressibility aᵥ is given by _____________

a.

\(a_v=-\frac{e_0}{∆σ’}\)

b.

\(a_v=-\frac{∆σ’}{∆e}\)

c.

aᵥ=-∆e

d.

\(a_v=-\frac{∆e}{∆σ^{‘}}\)

Discuss
Answer: (d).\(a_v=-\frac{∆e}{∆σ^{‘}}\)
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