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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-9 section-1

81
Which is not a method of groundwater exploration?
Discuss
Answer & Solution
Answer: Option B
Solution:
Magnetic surveys are used to detect magnetic anomalies in rocks, not water.Groundwater exploration mainly uses resistivity, seismic, and remote sensing methods.Correct Answer: Magnetic survey.
82
What is the function of a core barrel in drilling?
Discuss
Answer & Solution
Answer: Option C
Solution:
A core barrel is a hollow cylinder attached to a drill rig that extracts cylindrical rock samples (cores) for geological analysis.Correct Answer: Retrieves undisturbed rock samples.
83
Which rock type is most suitable for constructing heavy dams?
Discuss
Answer & Solution
Answer: Option C
Solution:
Granite is strong, durable, and impermeable, making it ideal for heavy structural loads such as those from dams.Correct Answer: Granite.
84
What is the typical product of chemical weathering of feldspar?
Discuss
Answer & Solution
Answer: Option B
Solution:
Feldspar undergoes chemical weathering and forms kaolinite, a type of clay mineral.This transformation occurs in acidic, water-rich environments.Correct Answer: Kaolinite.
85
What is the most suitable rock structure for tunnel stability?
Discuss
Answer & Solution
Answer: Option B
Solution:
Massive rock with few joints provides better stability and reduces the need for heavy support systems in tunnels.Correct Answer: Massive rock with few joints.
86
Which of the following is not a sedimentary rock?
Discuss
Answer & Solution
Answer: Option D
Solution:
Basalt is an igneous rock formed from lava cooling rapidly at the surface, not sedimentary in origin.Correct Answer: Basalt.
87
What do isopach maps represent in geology?
Discuss
Answer & Solution
Answer: Option B
Solution:
An isopach map shows areas of equal thickness of sedimentary layers, helping in reservoir and basin analysis.Correct Answer: Equal thickness of rock units.
88
What type of engineering structure is most affected by swelling clays?
Discuss
Answer & Solution
Answer: Option D
Solution:
Pavements are shallow structures, and swelling clays like montmorillonite expand and contract with moisture changes, causing heaving and cracking.Correct Answer: Pavements.
89
What is the main concern when using limestone in areas with acidic rain?
Discuss
Answer & Solution
Answer: Option C
Solution:
Acid rain reacts with the calcite in limestone, causing chemical weathering and dissolution of the rock surface.Correct Answer: Dissolution of rock.
90
What is the result of differential weathering?
Discuss
Answer & Solution
Answer: Option B
Solution:
Differential weathering occurs when softer rocks weather faster than harder rocks, leading to varied landforms like cliffs and valleys.Correct Answer: Formation of distinct landforms.