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 1 of 22

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Q1.
In the spring analogy of consolidation, cylinder is filled with water up to bottom of piston and spring carries 10 units of load. If external two units of load is applied and the valve closed, then the effective pressure σ’ and hydrodynamic pressure u̅ is given by ___________

a.

σ’=0, u̅ =12

b.

σ’=0, u̅ =0

c.

σ’=10, u̅ =2

d.

σ’=12, u̅ =0

Discuss
Answer: (c).σ’=10, u̅ =2
Q2.
In the spring analogy of consolidation, cylinder is filled with water up to bottom of piston and spring carries 10 units of load. If external two units of load is applied and the valve is partly opened, then the effective pressure σ’ and hydrodynamic pressure u̅ is given by ___________

a.

σ’=0, u̅ =12

b.

σ’=10+∆σ’, u̅ =2-∆σ’

c.

σ’=10, u̅ =2

d.

σ’=12, u̅ =0

Discuss
Answer: (b).σ’=10+∆σ’, u̅ =2-∆σ’
Q3.
In the spring analogy of consolidation, cylinder is filled with water up to bottom of piston and spring carries 10 units of load. If external two units of load is applied and the valve is opened, then the effective pressure σ’ and hydrodynamic pressure u̅ is given by ___________

a.

σ’=0, u̅=12

b.

σ’=10+∆σ’, u̅=2-∆σ’

c.

σ’=10, u̅=2

d.

σ’=12, u̅=0

Discuss
Answer: (d).σ’=12, u̅=0
Q4.
In finding pre-consolidation pressure, initial portion of curve resembles ___________

a.

recompression curve of remolded sample

b.

swelling curve

c.

expansion curve

d.

laboratory virgin curve

Discuss
Answer: (a).recompression curve of remolded sample
Q5.
In determination of one-dimensional consolidation as shown in the figure, the line CD represents ___________

a.

at initial time t₀, u̅=∆σ

b.

at initial time t₀, u̅=0

c.

at final time tf, u̅=∆σ

d.

at final time tf, u̅=0

Discuss
Answer: (a).at initial time t₀, u̅=∆σ
Q6.
In determination of one-dimensional consolidation as shown in the figure, the line AB represents ___________

a.

at initial time t₀, u̅=∆σ

b.

at initial time t₀, u̅=0

c.

at final time tf, u̅=∆σ

d.

at final time tf, u̅=0

Discuss
Answer: (d).at final time tf, u̅=0
Q7.
If v is velocity at the entry of the soil element of size dx, dz and width dy as shown in the figure. The quantity of water entering the element is ___________

a.

v

b.

vdxdy

c.

vdzdy

d.

vdzdx

Discuss
Answer: (b).vdxdy
Q8.
If v is velocity at the entry of the soil element of size dx, dz and width dy as shown in the figure. The quantity of water leaving the element is ___________

a.

v

b.

vdxdy

c.

\((v + \frac{∂v}{∂z}dz)dxdy\)

d.

\((v + \frac{∂v}{∂z}dz)dxdz\)

Discuss
Answer: (c).\((v + \frac{∂v}{∂z}dz)dxdy\)
Q9.
If v is velocity at the entry of the soil element of size dx, dz and width dy as shown in the figure. The net quantity of water squeezed out of the element per unit time is ___________

a.

∆q=v

b.

∆q=vdxdy

c.

\(∆q= \frac{∂v}{∂z}vdzdy\)

d.

\(∆q=\frac{∂v}{∂z}dxdydz\)

Discuss
Answer: (d).\(∆q=\frac{∂v}{∂z}dxdydz\)
Q10.
In the graph, point Rc represents ________

a.

initial consolidation

b.

corrected zero reading

c.

secondary consolidation

d.

initial zero reading

Discuss
Answer: (b).corrected zero reading
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