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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-5 section-1

41
Which element is most abundant in the Earth's crust?
Discuss
Answer & Solution
Answer: Option C
Solution:
Oxygen is the most abundant element in Earth's crust, primarily found in oxides like quartz and feldspar.Correct Answer: Oxygen.
42
What is typically the first step in a geological site investigation?
Discuss
Answer & Solution
Answer: Option D
Solution:
A desk study involves collecting existing data (maps, reports, aerial photos) before any fieldwork begins.Correct Answer: Desk study and literature review.
43
Which test is commonly used to determine soil plasticity?
Discuss
Answer & Solution
Answer: Option A
Solution:
The liquid limit test measures the water content at which soil changes from plastic to liquid behavior, indicating its plasticity.Correct Answer: Liquid limit test.
44
What is a dike in geological terms?
Discuss
Answer & Solution
Answer: Option D
Solution:
A dike is a tabular igneous intrusion that cuts across preexisting rock layers, often vertical or steeply inclined.Correct Answer: An inclined igneous intrusion.
45
Why are clayey soils problematic for foundations?
Discuss
Answer & Solution
Answer: Option C
Solution:
Clayey soils expand when wet and shrink when dry, causing cracking and structural movement.Correct Answer: Volume change with moisture.
46
What is the main cause of landslides in hilly terrain?
Discuss
Answer & Solution
Answer: Option B
Solution:
Slope oversteepening increases gravitational stress on soil and rock masses, triggering landslides, especially after rainfall or seismic activity.Correct Answer: Slope oversteepening.
47
Which of the following is considered an intrusive igneous rock?
Discuss
Answer & Solution
Answer: Option C
Solution:
Granite forms beneath the Earth's surface from slow cooling of magma, making it an intrusive igneous rock.Correct Answer: Granite.
48
Which engineering property of soil is assessed using the Standard Penetration Test (SPT)?
Discuss
Answer & Solution
Answer: Option B
Solution:
The Standard Penetration Test (SPT) provides an estimate of shear strength and relative density of granular soils through resistance to penetration.Correct Answer: Shear strength.
49
What does 'dip' in geology refer to?
Discuss
Answer & Solution
Answer: Option B
Solution:
Dip is the angle at which a rock layer or fault surface inclines from the horizontal.It is measured perpendicular to strike.Correct Answer: Angle between rock surface and horizontal plane.
50
What is a core sample used for in geology?
Discuss
Answer & Solution
Answer: Option B
Solution:
A core sample is a cylindrical section of rock or soil extracted for analysis of subsurface conditions.It helps identify rock type, structure, and mineral content.Correct Answer: Evaluating subsurface geological formations.