Engineering Geology for Construction MCQs Questions & Answers

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

Each section contains 100 MCQs on Engineering Geology for Construction .

Soil bearing capacity depends on:

A) Color and odor B) Soil texture and compaction C) Air content D) Electrical conductivity

Discuss

Answer & Solution

Answer: Option B

Solution:

Soil texture (grain size) and compaction determine its strength and load-bearing ability, essential for foundation design.

The unconfined compressive strength test is mainly applicable to:

A) Coarse sand B) Loose gravel C) Cohesive soils D) Dry silt

Discuss

Answer & Solution

Answer: Option C

Solution:

Unconfined compressive strength (UCS) test measures the load-carrying capacity of cohesive soils without lateral confinement.

Why are joints in rocks significant in construction?

A) They increase color diversity B) They offer natural drainage C) They reduce structural integrity D) They reflect soil fertility

Discuss

Answer & Solution

Answer: Option C

Solution:

Joints are fractures with no displacement that can weaken rock masses and affect excavation or foundation stability.

What type of foundation is suitable in areas with weak surface soils but strong strata below?

A) Raft foundation B) Shallow footing C) Pile foundation D) Strip footing

Discuss

Answer & Solution

Answer: Option C

Solution:

Pile foundations transfer load to deeper, stronger layers, bypassing weak upper soil.Ideal for tall structures and bridges.

What is the function of a cutoff wall in dam construction?

A) Improve aesthetics B) Drain water from reservoir C) Control seepage under the dam D) Support abutments

Discuss

Answer & Solution

Answer: Option C

Solution:

A cutoff wall is built beneath a dam to prevent seepage through the foundation, reducing erosion and failure risk.

Which rock feature can create problems during tunnel boring?

A) Uniform grain texture B) Inclined bedding planes C) Foliation in schist D) All of the above

Discuss

Answer & Solution

Answer: Option D

Solution:

Inclined bedding, foliation, and weak planes all affect rock stability during tunneling, requiring careful design and support.

A landslide-prone area should be identified during construction planning because:

A) It provides good drainage B) It's ideal for roads C) It is hazardous and may fail D) It's cheaper to build there

Discuss

Answer & Solution

Answer: Option C

Solution:

Landslides pose threats to life and property.Identifying such zones is vital to mitigate disaster risk.

The seismic zoning map helps engineers:

A) Choose color of buildings B) Decide drainage pattern C) Estimate earthquake risk D) Locate building materials

Discuss

Answer & Solution

Answer: Option C

Solution:

Seismic zoning maps show areas prone to seismic activity, helping engineers design earthquake-resistant structures.

The rock type most vulnerable to weathering is:

A) Granite B) Basalt C) Shale D) Quartzite

Discuss

Answer & Solution

Answer: Option C

Solution:

Shale weathers easily due to its fine grain and fissility, posing stability risks in slopes and cuttings.

Why is understanding permeability important in construction?

A) It affects color of soil B) It determines groundwater flow C) It decides concrete strength D) It controls slope angle

Discuss

Answer & Solution

Answer: Option B

Solution:

Permeability governs how water moves through soil or rock.It impacts drainage, stability, and water pressure behind retaining structures.

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Engineering Geology for Construction MCQs Questions & Answers | Geological Engineering