Explore topic-wise MCQs in Geotechnical Engineering.

This section includes 69 Mcqs, each offering curated multiple-choice questions to sharpen your Geotechnical Engineering knowledge and support exam preparation. Choose a topic below to get started.

1.

Coarse grained skeleton is a structure of soil which is present in _________

A. fine grained
B. composite soil with large amount of coarse grained particles
C. composite soil with large amount of fine grained particle
D. coursed grained
Answer» C. composite soil with large amount of fine grained particle
2.

________ is decomposed volcanic ash containing a high percentage of clay mineral.

A. Moorum
B. Peat
C. Dune sand
D. Bentonite
Answer» E.
3.

The type of bond in kaolinite crystal is _____________

A. Cationic linkage bond
B. Hydrogen bond
C. Linkage bond
D. Ionic bond
Answer» B. Hydrogen bond
4.

Coarse-grain skeleton structure, consist of arrangement of __________

A. Soil forming honey comb structure
B. Coarse grain forming a skeleton
C. Soil oriented ‘edge-to-edge’ with one another
D. None of the mentioned
Answer» C. Soil oriented ‘edge-to-edge’ with one another
5.

The cells in the honey comb structure is made of ___________

A. Multi mineral grains
B. Single mineral grains
C. Multi layered structure
D. Platelets
Answer» C. Multi layered structure
6.

Coarse- grained soil may be deposited in a _____________

A. Loose state
B. Dense state
C. Solid state
D. Liquid state
Answer» B. Dense state
7.

Clay particles behave like ___________

A. Colloids
B. Amorphous solids
C. Crystalline particles
D. Non-colloids
Answer» B. Amorphous solids
8.

A montmorillonite platelet has a specific surface/volume equal to ____________

A. 120/μ
B. 100/ μ
C. 500/ μ
D. 1000/ μ
Answer» E.
9.

The structure of honey comb might be broken down due to ___________

A. Decrease in volume
B. Increase in volume
C. Excessive volume change
D. None of the mentioned
Answer» B. Increase in volume
10.

The single grained structure is characteristic of fine-grained soils.

A. True
B. False
C. May be True or False
D. Can't say
Answer» C. May be True or False
11.

The skeleton and matrix structure represent ___________

A. Coarse-grained soil
B. Fine-grained soil
C. Composite soil
D. Loose-grained soil
Answer» D. Loose-grained soil
12.

The soil structure, having comparative loose stable structure is ____________

A. Honey comb
B. Cohesive matrix
C. Flocculent
D. Single grained
Answer» B. Cohesive matrix
13.

The kaolinite structural unit is made up of ____________ layer or sheet.

A. Gibbsite sheet
B. Silica sheet
C. Oxygen layer
D. Aluminum sheet
Answer» B. Silica sheet
14.

The cationic linkage is similar to the intersheet bonds of ____________

A. Kaolinite
B. Illite
C. Dichite
D. Montmorillonite
Answer» C. Dichite
15.

The 15 clay minerals are mainly divided in to ________ groups.

A. 3 groups
B. 2 groups
C. 9 groups
D. 4 groups
Answer» E.
16.

________ structure is highly compressible and less permeable.

A. Flocculent
B. Dispersed
C. Honeycomb
D. Singe grained
Answer» C. Honeycomb
17.

An Example of kaolinite crystal or mineral is ___________

A. China clay
B. Crystal
C. Clay mineral
D. None of the mentioned
Answer» B. Crystal
18.

Which of the following type of attraction force act between two-particle carrying negative charges?

A. Vander Waal’s London force
B. Water-dipole linkage
C. Ionic bond
D. Cationic linkage
Answer» E.
19.

Kaolinite exhibit the characteristic of ___________

A. Shrinkage limit
B. Plasticity
C. All of the mentioned
D. None of the mentioned
Answer» C. All of the mentioned
20.

The fine-grained soil are composed of __________

A. Crystalline minerals and Amorphous materials
B. Primary minerals
C. All of the mentioned
D. None of the mentioned
Answer» B. Primary minerals
21.

The behavior of bulky particles in coarse grained soil is governed by ___________

A. Gravitational force and Mass energy
B. Colloidal force
C. All of the mentioned
D. None of the mentioned
Answer» B. Colloidal force
22.

The structure of illite is similar to that of __________ crystal.

A. Kaolinite
B. Dickite
C. Montmorillonite
D. Attapulgite
Answer» D. Attapulgite
23.

There are __________ fundamental building blocks for the clay mineral structures.

A. 3
B. 5
C. 4
D. 2
Answer» E.
24.

Between the soil particles, the cation charge may be entirely balanced by ____________

A. Particle repulsion
B. Negative charge
C. Cationic charge
D. Particle charge
Answer» E.
25.

Intermolecular distance of bond in secondary valence bond is ____________

A. 1-2
B. 2-3
C. 0.5-5
D. >5
Answer» E.
26.

The honey comb, flocculent and dispersed structure are found in ___________

A. Fine-grained soil
B. Coarse grained soil
C. Composite soil
D. All of the mentioned
Answer» C. Composite soil
27.

Which of the following clay minerals are considered as colloidal?

A. Kaolinite
B. Dichite
C. Attapulgite
D. All of the mentioned
Answer» E.
28.

Clay is essentially made of extremely __________

A. Large particles
B. Small particles
C. Intermediate particles
D. None of the mentioned
Answer» C. Intermediate particles
29.

Honey comb structure exist commonly in ___________

A. Grains of silts and Rock flour
B. Coarse-grained soil
C. All of the mentioned
D. None of the mentioned
Answer» B. Coarse-grained soil
30.

The nature of surface bonding force in soil is classified in to ___________ types.

A. 3
B. 4
C. 2
D. 5
Answer» B. 4
31.

Which of the following is correct, with respect to honey comb structure?

A. The structure has high void ratio and It can carry out heavy load
B. It has high compact structure
C. All of the mentioned
D. None of the mentioned
Answer» B. It has high compact structure
32.

Flocculated structure is formed when there is a _______

A. net repulsive force
B. net attractive force
C. cohesive force
D. adhesion force
Answer» C. cohesive force
33.

The diameter of coarse-grained soils having single grained structure is ____________

A. <0.002 mm
B. >0.002 mm
C.
Answer» C.
34.

The thickness of each sheet in montmorillonite is ______________

A. 5 Å
B. 7 Å
C. 10 Å
D. 15 Å
Answer» E.
35.

Which of the following force play an important role in honey comb structure?

A. Adhesion force
B. Gravitational force
C. Surface force
D. All of the mentioned
Answer» D. All of the mentioned
36.

There is no strong repulsive force between soil particles because ____________

A. Mobile cation will move along the surface
B. Cation will move opposite to each other
C. Cations replace each other
D. None of the mentioned
Answer» B. Cation will move opposite to each other
37.

The dispersed occurs in_______

A. sand
B. remoulded clay
C. gravel
D. silts
Answer» C. gravel
38.

The gravitational force between two soil particle is ____________

A. Proportional to charge
B. Proportional to area
C. Proportional to mass
D. Proportional to surface
Answer» D. Proportional to surface
39.

Chemically, the clay minerals are silicates of ____________

A. Aluminum
B. Iron
C. Magnesium
D. All of the mentioned
Answer» E.
40.

The behaviour of coarse-grained soils is not governed by ________

A. gravitational forces
B. mass energy
C. colloidal forces
D. interaction with pore fluid
Answer» D. interaction with pore fluid
41.

The force causing coarse-grained soil, deposition is ____________

A. Gravitational force
B. Surface force
C. Secondary valence force
D. All of the mentioned
Answer» B. Surface force
42.

There are _________ possible type of attractive forces.

A. 4
B. 5
C. 6
D. 2
Answer» D. 2
43.

The particle of coarse-grained are composed of ___________

A. Primary minerals
B. Non-clay minerals
C. Clay minerals
D. Crystalline minerals
Answer» B. Non-clay minerals
44.

Atoms in one molecule bonding to atom in another molecule are called ____________

A. Primary valence bond
B. Secondary valence bond
C. Hydrogen bond
D. Electrostatic bond
Answer» C. Hydrogen bond
45.

There are __________ types of primary valence bond.

A. 5
B. 4
C. 6
D. 2
Answer» B. 4
46.

Which of the following bond is considered to be strongest?

A. Covalent bond
B. Heterpolar bond
C. Ionic bond
D. Co-ordinate bond
Answer» D. Co-ordinate bond
47.

The ionic bond, sometimes may be also called as ____________

A. Electrovalent bond
B. Covalent bond
C. Metallic bond
D. Heteropolar bond
Answer» B. Covalent bond
48.

The hydrogen bond occurs when ____________

A. Atoms of hydrogen strongly attracted by two other atoms
B. Molecules of one atom bonding to atom of another
C. Atom of hydrogen is attracted by one atom
D. None of the mentioned
Answer» B. Molecules of one atom bonding to atom of another
49.

In kaolinite crystal, the layers are held by _________ bond.

A. Ionic bond
B. Cationic linkage
C. Hydrogen bond
D. Electro static bond
Answer» D. Electro static bond
50.

The repulsive force between the soil colloids become effective when?

A. They approach other
B. They combine with each other
C. They are at a distance
D. They overlap
Answer» B. They combine with each other