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Introduction to Geological Engineering MCQs Questions & Answers | Geological Engineering

Learn and practice multiple-choice questions (MCQs) with answers related to Introduction to Geological Engineering. These resources are available for Geological engineering students who wish to clear GATE exams, technical interviews, competitive examinations, and other entrance exams. The Introduction to Geological Engineering chapter is particularly important for students studying Geological engineering. Page-2 section-1

11
Which material property is critical in determining slope stability?
Discuss
Answer & Solution
Answer: Option B
Solution:
Shear strength is the resistance of material to sliding failure. It directly impacts whether a slope will remain stable under load or collapse. Correct Answer: Shear strength.
12
Which of the following methods is used in preliminary site investigation?
Discuss
Answer & Solution
Answer: Option D
Solution:
Resistivity surveys are geophysical methods used to detect subsurface features. They help map groundwater, bedrock, and voids before excavation. Correct Answer: Resistivity survey.
13
What do geological engineers analyze when evaluating dam sites?
Discuss
Answer & Solution
Answer: Option C
Solution:
Dam construction requires stable ground conditions and water-tight foundations. Correct Answer: Sediment transport, fault lines, and permeability of bedrock. These factors ensure structural stability and prevent water seepage.
14
Which property of rock is most important for tunnel engineering?
Discuss
Answer & Solution
Answer: Option B
Solution:
Fracture pattern and joint spacing determine the stability of rock masses around a tunnel. These factors affect how much support is needed. Correct Answer: Fracture pattern and joint spacing.
15
In geological engineering, 'bedrock' refers to:
Discuss
Answer & Solution
Answer: Option B
Solution:
Bedrock is the solid, unweathered rock that lies beneath loose surface materials like soil. It serves as a stable foundation for construction. Correct Answer: The solid rock layer beneath soil and regolith.
16
Which geophysical method is commonly used to detect subsurface cavities and faults?
Discuss
Answer & Solution
Answer: Option A
Solution:
Seismic refraction is a geophysical method that uses the travel time of seismic waves through the Earth to map subsurface structures.It is especially useful in detecting faults, cavities, and variations in rock types.Correct Answer: Seismic refraction.
17
Which geological feature can pose a significant risk during tunnel construction?
Discuss
Answer & Solution
Answer: Option C
Solution:
Active faults are fractures in the Earth's crust along which movement has occurred recently.Tunneling near active faults is risky due to potential ground movement.Correct Answer: Active faults.
18
What is the primary concern of geological engineering when evaluating a quarry site?
Discuss
Answer & Solution
Answer: Option C
Solution:
Rock strength and stability are critical for quarry operations to ensure safe extraction and slope stability.Correct Answer: Rock strength and stability.
19
Which rock type is most suitable for use as a foundation material?
Discuss
Answer & Solution
Answer: Option C
Solution:
Granite is a hard, durable, and low-porosity igneous rock ideal for foundations.Correct Answer: Granite.
20
Which of the following best defines an aquifer?
Discuss
Answer & Solution
Answer: Option B
Solution:
Aquifer is a geological formation that can store and transmit groundwater.Correct Answer: An underground layer that holds groundwater.