MCQOPTIONS
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MCQOPTIONS
This section includes 49 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. |
Group index is defined by which of the equation? |
| A. | GI=0.2b+0.005ac+0.01bd |
| B. | GI=0.2a+0.005bd+0.001ac |
| C. | GI=0.2a+0.005ac+0.001bd |
| D. | GI=0.2a+0.5ac+0.001bd |
| Answer» D. GI=0.2a+0.5ac+0.001bd | |
| 2. |
The USCS system was used for which of the following purpose during World War 2? |
| A. | Air field construction |
| B. | Dam construction |
| C. | Foundation |
| D. | Earth slopes |
| Answer» B. Dam construction | |
| 3. |
Textural classification is most suitable for ____________ |
| A. | Clay soil |
| B. | Wet soil |
| C. | Coarse grained soil |
| D. | Soil with moist |
| Answer» D. Soil with moist | |
| 4. |
Indian standard classification of soil is based on _________ |
| A. | PRA system |
| B. | International soil classification |
| C. | M.I.T system |
| D. | Indian system |
| Answer» D. Indian system | |
| 5. |
According to IS classification, the symbol GC means ____________ |
| A. | Clayey gravel |
| B. | Silt gravel |
| C. | Sand gravel |
| D. | Well graded gravel |
| Answer» B. Silt gravel | |
| 6. |
Unified soil classification system (USCS) was developed by ____________ |
| A. | Kozney |
| B. | Atterberg |
| C. | Casagrande |
| D. | Rankine |
| Answer» D. Rankine | |
| 7. |
Particle size classification is best suited for _________ |
| A. | Coarse grained soil |
| B. | Clay soil |
| C. | Dry soil |
| D. | All of the mentioned |
| Answer» C. Dry soil | |
| 8. |
Fine grained soil are sub divided in to ___________ |
| A. | Silt and clay |
| B. | Sand and clay |
| C. | Organic and silt |
| D. | Gravel and peat |
| Answer» B. Sand and clay | |
| 9. |
The ISCS classifies the soil in to __________ |
| A. | 12 groups |
| B. | 15 groups |
| C. | 18 groups |
| D. | 16 groups |
| Answer» D. 16 groups | |
| 10. |
Specific surface(SS) can also expressed as ________ |
| A. | Surface area of the particle per unit volume |
| B. | Physical properties of the soil |
| C. | Moisture content of the soil |
| D. | None of the mentioned |
| Answer» B. Physical properties of the soil | |
| 11. |
The term ‘silt’ in particle size classification system, can be replaced by ___________ |
| A. | Silt size |
| B. | Clay size |
| C. | Silt type |
| D. | None of the mentioned |
| Answer» B. Clay size | |
| 12. |
For engineering purpose, soil can be classified in terms of ___________ |
| A. | Particle size |
| B. | Textural |
| C. | Unified soil |
| D. | All of the mentioned |
| Answer» E. | |
| 13. |
The performance of the soil, when used for pavement construction is found out by using _____________ |
| A. | Quality test |
| B. | Group index |
| C. | Material test |
| D. | None of the mentioned |
| Answer» C. Material test | |
| 14. |
Which of the following terms are used to indicate grain sizes? |
| A. | Gravel |
| B. | Sand |
| C. | Silt |
| D. | All of the mentioned |
| Answer» E. | |
| 15. |
The symbol ‘L’ represents which of the following soil types? |
| A. | Silt and Clay |
| B. | Gravel |
| C. | All of the mentioned |
| D. | None of the mentioned |
| Answer» B. Gravel | |
| 16. |
Fine grained soil are subdivided based on ___________ |
| A. | Liquid limit and Plasticity index |
| B. | Group Index |
| C. | None of the mentioned |
| D. | All of the mentioned |
| Answer» B. Group Index | |
| 17. |
According to USCS, the fined grained soil are classified on the basis of _____________ |
| A. | Plasticity |
| B. | Grain size distribution |
| C. | Group index |
| D. | Particle size composition |
| Answer» B. Grain size distribution | |
| 18. |
The group index of a soil depends on ____________ |
| A. | Liquid limit |
| B. | Plastic limit |
| C. | All of the mentioned |
| D. | None of the mentioned |
| Answer» B. Plastic limit | |
| 19. |
Soil classification based on the particle size distribution is _____________ |
| A. | Unified soil classification |
| B. | IS classification |
| C. | Particle size classification |
| D. | Textural classification |
| Answer» E. | |
| 20. |
Public road administration (PRA) system is based on _____________ |
| A. | Particle-size composition and Plasticity characteristics |
| B. | Particle size distribution |
| C. | All of the mentioned |
| D. | None of the mentioned |
| Answer» B. Particle size distribution | |
| 21. |
Coarse grained soils, containing fines between 5-12%, are designated by ___________ Symbol. |
| A. | GW-GM and SP-SM |
| B. | CL-ML |
| C. | None of the mentioned |
| D. | All of the mentioned |
| Answer» B. CL-ML | |
| 22. |
Chemical activity of a clay mineral depends on __________ |
| A. | Electric charge |
| B. | Surface area |
| C. | Compactness |
| D. | Unit mass |
| Answer» C. Compactness | |
| 23. |
What are the features required, for classifying a soil component as boulder? |
| A. | Bulky hard |
| B. | Diameter more than 30cm |
| C. | Round to angular shape |
| D. | All of the mentioned |
| Answer» E. | |
| 24. |
The purpose of soil classification is to ___________ |
| A. | To arrange various soils types in to groups |
| B. | To use it for various purpose |
| C. | For finding its properties |
| D. | For investigating the soil |
| Answer» B. To use it for various purpose | |
| 25. |
Laboratory classification of fined grained soil is done with the help of ________ |
| A. | Plasticity chart |
| B. | Textural classification chart |
| C. | Kozney’s graphical method |
| D. | None of the mentioned |
| Answer» B. Textural classification chart | |
| 26. |
Systems which are used for classification of soil based on particle size are __________ |
| A. | PRA system of united states |
| B. | Indian standard classification system |
| C. | International soil classification |
| D. | All of the mentioned |
| Answer» E. | |
| 27. |
Soil occurring in nature, is composed of __________ |
| A. | Sand |
| B. | Decomposed substance |
| C. | All of the mentioned |
| D. | None of the mentioned |
| Answer» B. Decomposed substance | |
| 28. |
In Casagrande’s plasticity chart, the numbers in the chart denotes ____________ |
| A. | Relative suitability |
| B. | Grade of the soil |
| C. | Division of the group |
| D. | None of the mentioned |
| Answer» B. Grade of the soil | |
| 29. |
Based on HRB classification system, the soil are divided in to ___________ |
| A. | 2 primary groups |
| B. | 6 primary groups |
| C. | 7 primary groups |
| D. | 6 primary groups |
| Answer» D. 6 primary groups | |
| 30. |
The best known classification system in textural classification is __________ |
| A. | M.I.T. classification system |
| B. | Triangular classification of U.S. public road administration |
| C. | Indian classification system |
| D. | International classification |
| Answer» C. Indian classification system | |
| 31. |
Coarse grained soil is sub-divided in to _______________ |
| A. | Gravel and clay |
| B. | Gravel and sand |
| C. | Sand and silt |
| D. | Silt and clay |
| Answer» C. Sand and silt | |
| 32. |
According to ISCS, fine grained soils are subdivided in to ___________ |
| A. | 2 |
| B. | 4 |
| C. | 5 |
| D. | 3 |
| Answer» E. | |
| 33. |
The Indian standard soil classification system, (ISCS) was first developed in ___________ |
| A. | 1947 |
| B. | 1950 |
| C. | 1959 |
| D. | 1960 |
| Answer» D. 1960 | |
| 34. |
Particle size classification system does not signify __________ |
| A. | Soil types |
| B. | Soil Particle size |
| C. | All of the mentioned |
| D. | None of the mentioned |
| Answer» B. Soil Particle size | |
| 35. |
Permeability of the soil depends on __________ |
| A. | Size of the soil particle |
| B. | Moisture present in soil |
| C. | Specific surface of the soil particle |
| D. | Density of the soil |
| Answer» D. Density of the soil | |
| 36. |
Highway research board (HRB) classification system is also known as__________ |
| A. | Indian classification system |
| B. | Public road administration (PRA) system |
| C. | International classification system |
| D. | M.I.T. classification system |
| Answer» C. International classification system | |
| 37. |
Microscopic soil particles have a very ___________ |
| A. | Larger specific surface |
| B. | A larger volume |
| C. | Small specific surface |
| D. | Larger diameter |
| Answer» B. A larger volume | |
| 38. |
Specific surface of a soil is related with __________ |
| A. | Chemical properties of the soil |
| B. | Physical properties of the soil |
| C. | General characteristic of the soil |
| D. | All of the mentioned |
| Answer» C. General characteristic of the soil | |
| 39. |
To use textural classification chart ___________ lines must be drawn. |
| A. | Parallel to the three sides of the triangle |
| B. | Parallel to the only one side of the triangle |
| C. | Adjacent to the three sides of the triangle |
| D. | Adjacent to the one sides of the triangle |
| Answer» B. Parallel to the only one side of the triangle | |
| 40. |
A soil is considered as coarse grained, if it retains more than ___________ in a sieve. |
| A. | 90% of the soil |
| B. | 70% of the soil |
| C. | 50% of the soil |
| D. | 20% of the soil |
| Answer» D. 20% of the soil | |
| 41. |
The type of triangle, used in textural classification of soil is _____________ |
| A. | Right angled triangle |
| B. | Equilateral triangle |
| C. | Perpendicular triangle |
| D. | None of the mentioned |
| Answer» C. Perpendicular triangle | |
| 42. |
By USCS system, soil are classified in to ___________ Major groups. |
| A. | 2 |
| B. | 5 |
| C. | 6 |
| D. | 4 |
| Answer» E. | |
| 43. |
In particle size classification system, the soils are classified according to __________ |
| A. | Grain size |
| B. | Properties |
| C. | Shape |
| D. | Solubility |
| Answer» B. Properties | |
| 44. |
The A-line, in unified classification system table has the equation of __________ |
| A. | IP=WL-20 |
| B. | IP=0.73(WL-20) |
| C. | IP=0.73(20-wL) |
| D. | IP=20-WL |
| Answer» C. IP=0.73(20-wL) | |
| 45. |
The harmonic diameter, can be found out by using __________ |
| A. | kozney’s method |
| B. | casagrande method |
| C. | Skempton’s method |
| D. | Atterberg method |
| Answer» B. casagrande method | |
| 46. |
The specific surface of a soil particle will be ___________ |
| A. | Proportional to inter-molecular surface |
| B. | Inversely proportional to electric force |
| C. | Proportional to the compressive force |
| D. | Directly proportional to electric force |
| Answer» E. | |
| 47. |
Specific surface is termed as __________ |
| A. | Total volume of soil particles |
| B. | Total area of soil particles |
| C. | Total surface area in a unit mass |
| D. | Ratio of total surface to the total volume |
| Answer» D. Ratio of total surface to the total volume | |
| 48. |
Specific surface of the soil particle increase very rapidly, as the grain size ____________ |
| A. | Increases |
| B. | Decreases |
| C. | Bulges |
| D. | None of the mentioned |
| Answer» C. Bulges | |
| 49. |
A factor, which is important for the magnitude of specific surface of soil particles is__________ |
| A. | Grain shape |
| B. | Grain size |
| C. | Both size and shape |
| D. | Grain molecular structure |
| Answer» B. Grain size | |