MCQOPTIONS
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MCQOPTIONS
This section includes 80 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. |
To check the seepage of water through the body of dam, the outer shells of dam provided is ________ |
| A. | pervious |
| B. | semi-pervious |
| C. | impervious |
| D. | hollow |
| Answer» B. semi-pervious | |
| 2. |
What are the types of soils, that are prone to frost action? |
| A. | Sand and Silt |
| B. | Clay |
| C. | None of the mentioned |
| D. | All of the mentioned |
| Answer» B. Clay | |
| 3. |
A well graded soil is said to be frost susceptible if more than _________ |
| A. | 10% particle are smaller than 0.002 mm |
| B. | 3% particle are smaller than 0.002 mm |
| C. | 3% particle are smaller than 0.005 mm |
| D. | 10% particle are smaller than 0.005 mm |
| Answer» C. 3% particle are smaller than 0.005 mm | |
| 4. |
The neutral pressure does not have any effect on ___________ |
| A. | Shearing resistance |
| B. | Shearing strength |
| C. | Shearing stress |
| D. | All of the mentioned |
| Answer» B. Shearing strength | |
| 5. |
Which of the following is an effect of frost boils? |
| A. | Formation of pot holes |
| B. | Increased frost depth |
| C. | Formation of capillary saturation |
| D. | All of the mentioned |
| Answer» B. Increased frost depth | |
| 6. |
Arrange the following to explain the swelling of the soils.I. Increase in tension in the pore waterII. Reduction in compressive stress in the soilIII. Menisci are destroyed |
| A. | (II), (I), (III) |
| B. | (I), (II), (III) |
| C. | (III), (I), (II) |
| D. | (III), (II), (I) |
| Answer» D. (III), (II), (I) | |
| 7. |
What will be the maximum capillary rise at 4°C, if the diameter of the capillary tube is 1 cm? |
| A. | 0.1234 cm |
| B. | 0.2975 cm |
| C. | 0.3857 cm |
| D. | 0.3084 cm |
| Answer» E. | |
| 8. |
With increase in temperature, the capillary rise _______ |
| A. | decreases |
| B. | increases |
| C. | has no change |
| D. | does not depend on temperature |
| Answer» B. increases | |
| 9. |
The maximum capillary rise at 20°C is given by ________ cm. |
| A. | 0.1234/d |
| B. | 0.2975/d |
| C. | 0.3857/d |
| D. | 0.3084/d |
| Answer» C. 0.3857/d | |
| 10. |
The capillary forces can rise the water in the capillary tube against the gravity force. |
| A. | True |
| B. | False |
| C. | May be True or False |
| D. | Can't say |
| Answer» B. False | |
| 11. |
Presence of sand and silt-size particles in a clay deposit reduces_____________ |
| A. | Swelling of soil |
| B. | Volume |
| C. | Water content |
| D. | Total shrinkage |
| Answer» E. | |
| 12. |
When will meniscus in saturated soil attain a minimum value? |
| A. | Compressive force is maximum and Shrinkage is maximum |
| B. | Soil is fully saturated |
| C. | None of the mentioned |
| D. | All of the mentioned |
| Answer» B. Soil is fully saturated | |
| 13. |
Large volume changes in clayey soils results in ____________ |
| A. | Increase in capillary pressure |
| B. | Structural damage |
| C. | Decrease in surface area |
| D. | Breaking of bonds |
| Answer» C. Decrease in surface area | |
| 14. |
Volume change in soil is due to which of the following factor? |
| A. | Water content is changed |
| B. | Increase in soil density |
| C. | Change in pressure |
| D. | Change in particle size |
| Answer» B. Increase in soil density | |
| 15. |
When does surface Tension in the water become zero? |
| A. | When the soil is completely dried |
| B. | When the soil is fully saturated |
| C. | When the water evaporates |
| D. | None of the mentioned |
| Answer» C. When the water evaporates | |
| 16. |
The ground surface up to which water freeze is called ___________ |
| A. | Frost heave |
| B. | Frost boil |
| C. | Frost line |
| D. | Ice lenses |
| Answer» D. Ice lenses | |
| 17. |
When the meniscus attains a minimum value, shrinkage is ________ |
| A. | maximum |
| B. | minimum |
| C. | no effect |
| D. | zero |
| Answer» B. minimum | |
| 18. |
What is the maximum capillary tension for a tube of 0.05 mm diameter at 4°c? |
| A. | 6.05 KN/m³ |
| B. | 0.617 KN/m³ |
| C. | 5.45 KN/m³ |
| D. | 3.00 KN/m³ |
| Answer» B. 0.617 KN/m³ | |
| 19. |
Arrange the following to explain the shrinkage of the soils.I. Compression in soilII. Formation of meniscusIII. Reduction in volume |
| A. | (II), (I), (III) |
| B. | (I), (II), (III) |
| C. | (III), (I), (II) |
| D. | (III), (II), (I) |
| Answer» B. (I), (II), (III) | |
| 20. |
The slaking of the clay occurs when clayey soil is dried ________ |
| A. | below the shrinkage limit |
| B. | above the shrinkage limit |
| C. | below the plastic limit |
| D. | above the plastic limit |
| Answer» B. above the shrinkage limit | |
| 21. |
When do the soil suction is reduced to zero value? |
| A. | Water content is reduced |
| B. | Soil is oven dry |
| C. | Dry soil is submerged |
| D. | All of the mentioned |
| Answer» D. All of the mentioned | |
| 22. |
The bulking of sand is maximum when the water content is _________ |
| A. | 0 |
| B. | 5 to 6% |
| C. | 15 to 17% |
| D. | 20 to 21% |
| Answer» C. 15 to 17% | |
| 23. |
Which of the following action can be used to prevent deep frost penetration in the ground surface in building? |
| A. | Removing the frost susceptible soil |
| B. | Placing insulating blankets of sand and gravel |
| C. | Providing proper drainage |
| D. | Interposing a pervious gravel blanket |
| Answer» C. Providing proper drainage | |
| 24. |
The neutral pressure is transmitted through ___________ |
| A. | Soil particle |
| B. | Pore fluid |
| C. | Air particle |
| D. | Atmosphere |
| Answer» C. Air particle | |
| 25. |
Coarse grained soil relatively has __________ hygroscopic capacity. |
| A. | High |
| B. | Low |
| C. | Very low |
| D. | Very high |
| Answer» C. Very low | |
| 26. |
Increase in water content causes _______ |
| A. | shrinkage |
| B. | swelling |
| C. | frost heave |
| D. | frost boil |
| Answer» C. frost heave | |
| 27. |
The maximum tensile stress of water in capillary tube is ___________ |
| A. | Proportional to the diameter of tube |
| B. | Inversely proportional to height of capillary rise |
| C. | Inversely proportional to the radius of meniscus |
| D. | All of the mentioned |
| Answer» D. All of the mentioned | |
| 28. |
The maximum hygroscopic capacity of clay is __________ |
| A. | 1 % |
| B. | 3 % |
| C. | 7 % |
| D. | 17 % |
| Answer» E. | |
| 29. |
Factor of unit cross-section χ, depends on ____________ |
| A. | degree of saturation |
| B. | soil structure |
| C. | stress change |
| D. | all of the mentioned |
| Answer» E. | |
| 30. |
Which one of the following factor does not affect soil suction? |
| A. | Water content |
| B. | Temperature |
| C. | Plasticity index of a soil |
| D. | Atmospheric pressure |
| Answer» E. | |
| 31. |
Free swell of a soil can be defined as ____________ |
| A. | Swelling of soil without shrinkage |
| B. | Increase in volume without any constrains |
| C. | Limited swelling on rewetting |
| D. | Swelling on submergence in water |
| Answer» C. Limited swelling on rewetting | |
| 32. |
The size of interstices in a soil depends on ____________ |
| A. | Particle size |
| B. | Plasticity index |
| C. | Soil structure |
| D. | Angle of contact |
| Answer» D. Angle of contact | |
| 33. |
For degree of saturation, it is recommended to take χ as _____________ |
| A. | 0 |
| B. | 1 |
| C. | 2 |
| D. | ∞ |
| Answer» C. 2 | |
| 34. |
The pressure deficiency of held water in a capillary tube is termed as ____________ |
| A. | Soil suction and suction pressure |
| B. | Negative pressure |
| C. | None of the mentioned |
| D. | All of the mentioned |
| Answer» B. Negative pressure | |
| 35. |
What are the minerals, responsible for large volume decrease in soil on drying in clayey soils? |
| A. | Ilite and Kaolinite |
| B. | Montmorillonite |
| C. | None of the mentioned |
| D. | All of the mentioned |
| Answer» B. Montmorillonite | |
| 36. |
The pF value of 2 in soil mass represent ____________ |
| A. | Soil suction of 200 cm of water |
| B. | Suction pressure of 100 g/cm² |
| C. | Soil suction of 100 cm of water |
| D. | Capillarity of 100 g/cm² |
| Answer» D. Capillarity of 100 g/cm² | |
| 37. |
At any plane, pore pressure is equal to ___________ |
| A. | Ratio of Piezometric head to weight of water |
| B. | Equal to piezometric head times the unit weight of water |
| C. | Ratio of weight of water to the piezometric head |
| D. | None of the mentioned |
| Answer» C. Ratio of weight of water to the piezometric head | |
| 38. |
Decrease in water content causes _______ |
| A. | shrinkage |
| B. | swelling |
| C. | frost heave |
| D. | frost boil |
| Answer» B. swelling | |
| 39. |
If the void ratio is 40% in saturated soil, then the expansion of the soil will be __________ |
| A. | 5% |
| B. | 2.3% |
| C. | 3.6% |
| D. | 4% |
| Answer» D. 4% | |
| 40. |
Total stress or unit pressure on a soil mass is ___________ |
| A. | Total load |
| B. | Total surface area |
| C. | Total volume |
| D. | Total weight |
| Answer» B. Total surface area | |
| 41. |
Capillary tension is developed in saturated soil, when ___________ |
| A. | Soil is dry |
| B. | Water content is reduced |
| C. | Water content is increased |
| D. | Soil particle is large |
| Answer» C. Water content is increased | |
| 42. |
Soil should possess___________for the formation of ice lens. |
| A. | Low moisture content |
| B. | High porosity |
| C. | High capillarity |
| D. | All of the mentioned |
| Answer» D. All of the mentioned | |
| 43. |
Silt soils are more susceptible to frost action than __________ |
| A. | Sand soil and Clayey soil |
| B. | Gravel soil |
| C. | None of the mentioned |
| D. | All of the mentioned |
| Answer» B. Gravel soil | |
| 44. |
The temperature at which the soil freezes in the pores of the soil depend on __________ |
| A. | Pore size |
| B. | Frost action |
| C. | Saturation |
| D. | Capillary tension |
| Answer» B. Frost action | |
| 45. |
Total vertical pressure at any plane is equal to __________ |
| A. | σ = σ’ + u |
| B. | σ’ = σ + u |
| C. | σ = σ’ + v |
| D. | None of the mentioned |
| Answer» B. σ’ = σ + u | |
| 46. |
The water in the sandy soil is __________ |
| A. | Pore water |
| B. | Ground water |
| C. | Free water |
| D. | Infiltrated water |
| Answer» B. Ground water | |
| 47. |
When a capillary tube of uniform-section is lifted from the water surface, water in the tube will be __________ |
| A. | Retained |
| B. | Not retained |
| C. | Retained partially |
| D. | None of the mentioned |
| Answer» B. Not retained | |
| 48. |
The meniscus formation in capillary tubes always be ___________ |
| A. | Convex |
| B. | Concave |
| C. | Equilibrium |
| D. | None of the mentioned |
| Answer» C. Equilibrium | |
| 49. |
The formation of concave meniscus in capillary tubes takes place, only if ___________ |
| A. | Inner tubes is dry |
| B. | Tube has non-uniform diameter |
| C. | Inner tube is wet |
| D. | Diameter of the tube is larger |
| Answer» D. Diameter of the tube is larger | |
| 50. |
The height of capillary rise in capillary tube, depends on ____________ |
| A. | Diameter of the tube |
| B. | Surface tension |
| C. | Direction of flow of water |
| D. | All of the mentioned |
| Answer» D. All of the mentioned | |