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.
| 51. |
The soil water which is impossible to remove from the soil is ___________ |
| A. | Structural water |
| B. | Capillary water |
| C. | Solvate water |
| D. | Pore water |
| Answer» B. Capillary water | |
| 52. |
The surface tension of water (TS) is __________ |
| A. | 29 dynes per cm |
| B. | 72.8 dynes per cm |
| C. | 0.29 dynes per cm |
| D. | 2.45 dynes per cm |
| Answer» C. 0.29 dynes per cm | |
| 53. |
The water which soaks in to ground by moving downward, subjected to capillary force is ___________ |
| A. | Ground water |
| B. | Pore water |
| C. | Infiltrated water |
| D. | Capillary water |
| Answer» D. Capillary water | |
| 54. |
Ground water is influenced by ____________ force. |
| A. | Vander Waals force |
| B. | Surface force |
| C. | Hydrodynamic force |
| D. | Electro static force |
| Answer» D. Electro static force | |
| 55. |
Based on inter-particle forces, soil water can be classified in to __________ |
| A. | Adsorbed water |
| B. | Pore water |
| C. | All of the mentioned |
| D. | None of the mentioned |
| Answer» B. Pore water | |
| 56. |
The capillary force of water depends on __________ |
| A. | Surface tension of water |
| B. | Pressure in water |
| C. | Conformation of soil pores |
| D. | All of the mentioned |
| Answer» E. | |
| 57. |
The soil suction is maximum, when angle of contact(α) is _____________ |
| A. | α=0 |
| B. | α=90 |
| C. | α=60 |
| D. | α=1 |
| Answer» B. α=90 | |
| 58. |
Capillary water is located in part of ___________ soil mass. |
| A. | Within the voids in soil |
| B. | Above the ground water surface |
| C. | Pores in the soil mass |
| D. | Surface of soil particles |
| Answer» B. Above the ground water surface | |
| 59. |
The capillary tension or capillary potential can also be called as ___________ |
| A. | Pressure deficiency |
| B. | Pressure reduction |
| C. | Negative pressure |
| D. | All of the mentioned |
| Answer» E. | |
| 60. |
The capillary pressure, transferred from grain to grain in soil may be also called as ____________ |
| A. | Inter granular pressure |
| B. | Contact pressure |
| C. | Effective pressure |
| D. | All of the mentioned |
| Answer» E. | |
| 61. |
Formation of meniscus in a saturated soil causes ____________ |
| A. | Compression in the soil structure and Reduction in the volume |
| B. | Decrease in the water content |
| C. | None of the mentioned |
| D. | All of the mentioned |
| Answer» B. Decrease in the water content | |
| 62. |
The coefficient of surface tension depends on which of the following? |
| A. | Chemical nature of liquids |
| B. | Surface area of the liquid |
| C. | Forces acting |
| D. | Atmospheric pressure |
| Answer» B. Surface area of the liquid | |
| 63. |
Solvate water is subjected to __________ forces. |
| A. | Polar |
| B. | Electrostatic |
| C. | Binding |
| D. | All of the mentioned |
| Answer» E. | |
| 64. |
Frost heave is defined as ___________ |
| A. | Rise of ground water surface |
| B. | Freezing of water in soil |
| C. | Increase in volume due to freezing |
| D. | None of the mentioned |
| Answer» B. Freezing of water in soil | |
| 65. |
Shrinkage is prominent in ____________ soil. |
| A. | Clay |
| B. | Coarse-grained |
| C. | Fine-grained |
| D. | Silt |
| Answer» B. Coarse-grained | |
| 66. |
Rise in temperature___________soil suction. |
| A. | Decreases |
| B. | Increases |
| C. | Removed |
| D. | None of the mentioned |
| Answer» B. Increases | |
| 67. |
To check the seepage of water through the body of dam, the core provided is ________ |
| A. | pervious |
| B. | semi-pervious |
| C. | impervious |
| D. | hollow |
| Answer» D. hollow | |
| 68. |
The degree of shrinkage does not depend upon _________ |
| A. | initial water content |
| B. | type of clay |
| C. | cation exchange capacity |
| D. | amount of clay |
| Answer» D. amount of clay | |
| 69. |
The capillary siphoning will take place if the top of the core is situated at height y _______ which is above H.F.L. |
| A. | greater than capillary rise hc |
| B. | lesser than capillary rise hc |
| C. | equal to capillary rise hc |
| D. | zero |
| Answer» C. equal to capillary rise hc | |
| 70. |
What will be the maximum capillary rise at 20°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» C. 0.3857 cm | |
| 71. |
The total pressure in a soil mass consists of _____________ distinct components. |
| A. | 3 |
| B. | 4 |
| C. | 2 |
| D. | 5 |
| Answer» D. 5 | |
| 72. |
Water can be classified in to __________ types based on structural aspect. |
| A. | 3 |
| B. | 5 |
| C. | 2 |
| D. | 4 |
| Answer» E. | |
| 73. |
Pressure transmitted from particles to the soil mass is called ___________ |
| A. | Neutral pressure |
| B. | Effective pressure |
| C. | Pore pressure |
| D. | Capillary pressure |
| Answer» C. Pore pressure | |
| 74. |
Slaking is due to the ______ into the drying of the soil below the shrinkage limit. |
| A. | entry of water |
| B. | exit of water |
| C. | entry of air |
| D. | exit of air |
| Answer» D. exit of air | |
| 75. |
Free swell ceases when the water content reaches ________ |
| A. | liquid limit |
| B. | plastic limit |
| C. | shrinkage limit |
| D. | plasticity index |
| Answer» D. plasticity index | |
| 76. |
Water present in the voids of soil mass is called __________ |
| A. | Soil water |
| B. | Free water |
| C. | Ground water |
| D. | Pore water |
| Answer» B. Free water | |
| 77. |
The average hygroscopicity of clay is ___________ |
| A. | 6 % |
| B. | 16 % |
| C. | 1 % |
| D. | 4 % |
| Answer» C. 1 % | |
| 78. |
What are the forces involved in hygroscopic water or contact moisture? |
| A. | Adhesion force |
| B. | Capillary force |
| C. | All of the mentioned |
| D. | None of the mentioned |
| Answer» B. Capillary force | |
| 79. |
Hygroscopic water is affected by which of the following factor? |
| A. | Gravity |
| B. | Capillary forces |
| C. | All of the mentioned |
| D. | None of the mentioned |
| Answer» E. | |
| 80. |
Ground water may be also called as ___________ |
| A. | Capillary water |
| B. | Gravitational water and Free water |
| C. | None of the mentioned |
| D. | All of the mentioned |
| Answer» B. Gravitational water and Free water | |