MCQOPTIONS
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MCQOPTIONS
This section includes 68 Mcqs, each offering curated multiple-choice questions to sharpen your Engineering Geology knowledge and support exam preparation. Choose a topic below to get started.
| 51. |
The stress developed in the top layers of the rocks which disintegrate due to repeated variations in temperatures is ________ |
| A. | Tensile stress |
| B. | Compressive stress |
| C. | Shear stress |
| D. | Bending stress |
| Answer» B. Compressive stress | |
| 52. |
What are the slopes covered by Scree called? |
| A. | Scree slope |
| B. | Frost slope |
| C. | Talus slope |
| D. | Trist slope |
| Answer» D. Trist slope | |
| 53. |
Which of the following facts about Exfoliation is false? |
| A. | It is the phenomenon of peeling off of curved shells from rocks |
| B. | The change is accompanied by chemical weathering |
| C. | Internal structure of the rock is affected |
| D. | It occurs in thick or layered rocks. |
| Answer» D. It occurs in thick or layered rocks. | |
| 54. |
The rock-mineral insoluble in water is ____________ |
| A. | Rock salt |
| B. | Gypsum |
| C. | Calcite |
| D. | Pyrite |
| Answer» E. | |
| 55. |
Which of the following is reduction? |
| A. | Removal of hydrogen |
| B. | Removal of electron |
| C. | Removal of oxygen |
| D. | Addition of oxygen |
| Answer» D. Addition of oxygen | |
| 56. |
2KaISi₃O₈ + 2H₂O + CO₂ → Al₂Si₂O₅(OH)₄ + K₂CO₃ + 4SiO₂Orthoclase + Carbonic acid → ___________ + Pot. Carbonate + SilicaIdentify the mineral in the blank space of the equation. |
| A. | Illite |
| B. | Kaolinite |
| C. | Montmorillonite |
| D. | Halloysite |
| Answer» C. Montmorillonite | |
| 57. |
Limestone is not easily soluble in pure water but carbonated water dissolves the rock effectively. |
| A. | True |
| B. | False |
| C. | May be True or False |
| D. | Can't say |
| Answer» B. False | |
| 58. |
Minerals like Orthoclase and Felspar undergo which method of chemical decomposition? |
| A. | Hydration |
| B. | Hydrolysis |
| C. | Oxidation |
| D. | Reduction |
| Answer» C. Oxidation | |
| 59. |
In Kara Qum desert, the rocks are exposed to what temperatures in summer and winter respectively? |
| A. | 70-80° C and -10° C |
| B. | 20-30° C and -1° C |
| C. | 40-50° C and 0° C |
| D. | 25-35° C and -3° C |
| Answer» B. 20-30° C and -1° C | |
| 60. |
The main processes which does not come under chemical weathering are ____________ |
| A. | Solution |
| B. | Hydration and hydrolysis |
| C. | Insolation |
| D. | Carbonation |
| Answer» D. Carbonation | |
| 61. |
The formation of sheets and subsequently joints occurs in which of the following processes? |
| A. | Frost action |
| B. | Insolation |
| C. | Flow of water |
| D. | Unloading |
| Answer» E. | |
| 62. |
The large-scale development of fracturing in confined rock masses occurs under which process? |
| A. | Frost action |
| B. | Unloading |
| C. | Unfolding |
| D. | Insolation |
| Answer» C. Unfolding | |
| 63. |
Scree deposits can occur in hilly regions only. |
| A. | True |
| B. | False |
| C. | May be True or False |
| D. | Can't say |
| Answer» B. False | |
| 64. |
The granite layer in the crust is also referred to as ____________ |
| A. | SIAL |
| B. | SIMA |
| C. | SLAM |
| D. | SILA |
| Answer» B. SIMA | |
| 65. |
Identify the part labelled as “A” in the below diagram. |
| A. | Weathered rock |
| B. | Parent rock |
| C. | Rolled down rock |
| D. | Powdered rock |
| Answer» C. Rolled down rock | |
| 66. |
What is the thickness of the crust under the mountainous areas and in particular the Himalayas? |
| A. | 50-55 km |
| B. | 60-65 km |
| C. | 70-75 km |
| D. | 30-35 km |
| Answer» D. 30-35 km | |
| 67. |
The density of the oceanic layer in the crust is said to be ____________ |
| A. | 3.00 g/cc |
| B. | 2.50 g/cc |
| C. | 1.90 g/cc |
| D. | 2.00 g/cc |
| Answer» B. 2.50 g/cc | |
| 68. |
The discontinuity which marks the lower boundary of the crust is ______________ |
| A. | Crust-Mantle discontinuity |
| B. | Oceanic discontinuity |
| C. | SIAL layer |
| D. | Mohorovicic discontinuity |
| Answer» E. | |