Geotechnical Engineering Basic Concepts MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Geotechnical Engineering Basic Concepts, 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 Geotechnical Engineering Basic Concepts 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 Geotechnical Engineering Basic Concepts mcq questions that explore various aspects of Geotechnical Engineering Basic Concepts problems. Each MCQ is crafted to challenge your understanding of Geotechnical Engineering Basic Concepts 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 Geotechnical Engineering Basic Concepts 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 Geotechnical Engineering Basic Concepts. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

So, are you ready to put your Geotechnical Engineering Basic Concepts knowledge to the test? Let's get started with our carefully curated MCQs!

Geotechnical Engineering Basic Concepts MCQs | Page 4 of 8

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Q31.
When the natural state of cohesion-less soil is in its loosest form, its density index Iᴅ is equal to ____

a.

0

b.

0.5

c.

1

d.

1.5

Discuss
Answer: (a).0
Q32.
The density index of natural deposit in its densest state is ______

a.

0

b.

0.5

c.

1

d.

1.5

Discuss
Answer: (c).1
Q33.
A soil has porosity of 30%. Its voids ratio in the loosest and densest state is 0.35 and 0.92 respectively. What will be its density index?

a.

0.865

b.

0.872

c.

0.861

d.

0.881

Discuss
Answer: (c).0.861
Q34.
The density index Iᴅ in terms of densities is given by ______

a.

\(\frac{(γ_{d,max}-γ_{d,min}) γ_{d,max}}{(γ_{d,max}-γ_{d}) γ_d}\)

b.

\(\frac{(γ_d-γ_{d,min}) γ_{d,max}}{(γ_{d,max}-γ_{d,min}) γ_d}\)

c.

\(\frac{(γ_d-γ_{d,min}) γ_{d,max}}{(γ_d-γ_{d,max}) γ_d}\)

d.

\(\frac{(γ_d-γ_{d,min}) γ_{d,max}}{(γ_{d,max}-γ_{d}) γ_d}\)

Discuss
Answer: (b).\(\frac{(γ_d-γ_{d,min}) γ_{d,max}}{(γ_{d,max}-γ_{d,min}) γ_d}\)
Q35.
The relative density of loose granular soil is given by the range ______ in percentage.

a.

0-15

b.

15-35

c.

35-65

d.

85-100

Discuss
Answer: (b).15-35
Q36.
A soil has a dry density of 17.5kN/m³. It has densities corresponding to most compact and loosest state as 18.5 kN/m³ and 13 kN/m³ respectively. The relative density of the soil is ______

a.

0.871

b.

0.865

c.

0.869

d.

0.860

Discuss
Answer: (b).0.865
Q37.
The relative compaction Rc is given by _______

a.

γd,max/γd

b.

γd/γd,min

c.

γd/γd,max

d.

γd,min/γd

Discuss
Answer: (c).γd/γd,max
Q38.
When the soil is in loosest form, density index is zero and its relative compaction Rc is ______

a.

40%

b.

60%

c.

80%

d.

100%

Discuss
Answer: (c).80%
Q39.
The relative compaction Rc is related to the void ratio of soil by _______

a.

\(\frac{(1+e)}{(1+e_{max})}\)

b.

\(\frac{(1+e)}{(1+e_{min})}\)

c.

\(\frac{(1+e_{min})}{(1+e)}\)

d.

\(\frac{(1+e_{max})}{(1+e_{min})}\)

Discuss
Answer: (c).\(\frac{(1+e_{min})}{(1+e)}\)
Q40.
A soil has a dry unit weight of 17 kN/m³ and water content of 20%, then what will be its bulk unit weight?

a.

19.3 kN/m³

b.

20.4 kN/m³

c.

22.6 kN/m³

d.

24.4 kN/m³

Discuss
Answer: (b).20.4 kN/m³
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