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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 | |