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Engineering Properties of Rocks and Soils MCQs Questions & Answers | Geological Engineering

Learn and practice multiple-choice questions (MCQs) with answers related to Engineering Properties of Rocks and Soils. These resources are available for Geological engineering students who wish to clear GATE exams, technical interviews, competitive examinations, and other entrance exams. The Engineering Properties of Rocks and Soils chapter is particularly important for students studying Geological engineering. Page-6 section-1

51
Which property defines the resistance of soil to deformation under load?
Discuss
Answer & Solution
Answer: Option
Solution:
Shear strength is the ability of soil to resist shearing forces, crucial for slope stability and foundation design.It includes cohesion and frictional resistance.
52
What test measures the shear strength parameters of soil under controlled drainage?
Discuss
Answer & Solution
Answer: Option
Solution:
The triaxial test is the most versatile and accurate test for determining shear strength under different drainage and stress conditions.
53
The liquid limit is defined as the water content at which soil changes from:
Discuss
Answer & Solution
Answer: Option
Solution:
Liquid limit is the water content at which soil changes from plastic to liquid behavior.It is a critical Atterberg limit used for soil classification.
54
Which of the following rock types has the highest compressive strength?
Discuss
Answer & Solution
Answer: Option
Solution:
Granite has tightly interlocking mineral grains and is an igneous rock, giving it the highest compressive strength among the options.
55
Which index indicates the ability of soil to absorb water without changing its volume?
Discuss
Answer & Solution
Answer: Option
Solution:
Shrinkage index is the range of moisture content over which a soil remains in a semi-solid state.It reflects volume stability.
56
The main parameter for evaluating the bearing capacity of soil is:
Discuss
Answer & Solution
Answer: Option
Solution:
Shear strength determines how much load a soil can support before failure.It is key for evaluating bearing capacity.
57
What is the common unit of permeability in soil mechanics?
Discuss
Answer & Solution
Answer: Option
Solution:
Permeability is commonly expressed in meters per second (m/s), indicating how quickly water passes through soil.
58
Which factor does NOT significantly affect the compaction of soil?
Discuss
Answer & Solution
Answer: Option
Solution:
Soil color is mostly a visual characteristic and does not affect compaction.Moisture, type, and effort are critical.
59
A soil is said to be normally consolidated when:
Discuss
Answer & Solution
Answer: Option
Solution:
Normally consolidated soil has not been previously loaded more than its present stress.It is used in consolidation settlement analysis.
60
The cohesion of sandy soil is:
Discuss
Answer & Solution
Answer: Option
Solution:
Sandy soils are cohesionless, meaning they rely on friction between particles rather than inter-particle bonding.