Soil Mechanics and Foundation Engineering MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Soil Mechanics and Foundation Engineering, a fundamental topic in the field of Civil Engineering. Whether you're preparing for competitive exams, honing your problem-solving skills, or simply looking to enhance your abilities in this field, our Soil Mechanics and Foundation Engineering 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 Soil Mechanics and Foundation Engineering mcq questions that explore various aspects of Soil Mechanics and Foundation Engineering problems. Each MCQ is crafted to challenge your understanding of Soil Mechanics and Foundation Engineering principles, enabling you to refine your problem-solving techniques. Whether you're a student aiming to ace Civil Engineering tests, a job seeker preparing for interviews, or someone simply interested in sharpening their skills, our Soil Mechanics and Foundation Engineering MCQs are your pathway to success in mastering this essential Civil Engineering topic.

Note: Each of the following question comes with multiple answer choices. Select the most appropriate option and test your understanding of Soil Mechanics and Foundation Engineering. 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 Soil Mechanics and Foundation Engineering knowledge to the test? Let's get started with our carefully curated MCQs!

Soil Mechanics and Foundation Engineering MCQs | Page 11 of 28

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Q101.
The soil which contains finest grain particles, is

a.

coarse sand

b.

fine sand

c.

silt

d.

clay.

Discuss
Answer: (d).clay.
Q102.
The angle between the directions of the failure and the major principal plane, is equal to

a.

90° + effective angle of shearing resistance

b.

90° + half of the angle of shearing resistance

c.

45° - half of the angle of shearing resistance

d.

45° + half of the angle of shearing resistance.

Discuss
Answer: (d).45° + half of the angle of shearing resistance.
Q103.
The compressibility of clays, is caused due to:

a.

expulsion of double layer water from in between the grains

b.

sliping of particles to new positions of greater density

c.

bending of particles as elastic sheets

d.

all the above.

Discuss
Answer: (d).all the above.
Q104.
A phreatic line is defined as the line within a dam section below which there are

a.

positive equipotential lines

b.

positive hydrostatic pressure

c.

negative hydrostatic pressure

d.

negative equipotential lines

Discuss
Answer: (b).positive hydrostatic pressure
Q105.
The ratio of the difference between the void ratio of the soil in its loosest state and its natural void ratio (e) to the difference between the void ratios in the loosest and fully dense state, is generally termed as

a.

degree of density

b.

relativity

c.

density index

d.

all the above.

Discuss
Answer: (d).all the above.
Q106.
Pick up the correct statement from the following:

a.

The property of a soil that enables it to become stiff in a relatively short time on standing is called thixotropy

b.

The ratio of shear strength in natural state to the remoulded shear strength under undrained conditions, is called degree of sensitivity.

c.

The difference between the undisturbed shear strength and remoulded shear strength is known remoulding loss

d.

All the above.

Discuss
Answer: (d).All the above.
Q107.
According to the Indian Standards the specific gravity is the ratio of the unit weight of soil solids to that of water at a temperature of

a.

17°C

b.

23°C

c.

27°C

d.

30°

Discuss
Answer: (c).27°C
Q108.
The compression index of a soil

a.

decreases with an increase in the liquid limit

b.

increases with an increase in the liquid limit

c.

decreases with an increase in the plastic limit

d.

is not related with plastic limit.

Discuss
Answer: (b).increases with an increase in the liquid limit
Q109.
Pick up the correct statement from the following:

a.

The void space between the soil grains, is filled partly with air and partly with water

b.

In perfectly saturated soil, the voids are completely filled with water

c.

In dry soil, the voids are completely filled with air

d.

all the above.

Discuss
Answer: (d).all the above.
Q110.
For a homogeneous earth dam 50 m high having 2 m free broad, a flow net was constructed and the results were : Number of potential drops = 2.4 Number of flow channels = 0.4. If coefficiency of permeability of the dam mateiral is 3 x 10^-3 cm³/sec, the discharge per metre length of dam, is

a.

12 x 10^-5 m³/sec

b.

24 x 10^-3 m³/sec

c.

6 x 10^-5 m³/sec

d.

24 x 10^-5 m³/sec

Discuss
Answer: (d).24 x 10^-5 m³/sec
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