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CIVIL ENGINEERING
QUESTION BANK
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Regulation
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ENGINEERING GEOLOGY
A50118
R13(JNTUH)
III - B. Tech, I Sem
Tutorials
Practical’s
Credits
Lectures
4
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Mr. D Naresh Kumar and Mr.G Siva Vignan,
Vignan, Assistant Professor
Mr. D Naresh Kumar and Mr.G Siva Vignan,
Vignan, Assistant Professor
OBJECTIVES
To introduce students to the basic concepts which are used for construction purpose.
1.
To know case histories of failures of civil engineering constructions due to geological
drawbacks and importance of geology from civil engineering point of view.
2. To learn about structural geology, mineralogy and petrology.
3. Learn how to identify weathered minerals and rocks.
4. To identify the minerals based on their physical properties.
5. To learn about minerals their physical properties and chemical composition.
6. To know the geological classification of rocks in to igneous, sedimentary and metamorphic
rocks and identification of intrusive and extrusive igneous rocks.
7. To learn how geological structures like folds, faults, joints and unconformities are
formed their advantages and disadvantages.
8. To know suitable site considerations for construction of dams and reservoirs.
9. To learn how the tunnels are constructed and litho logical, structural considerations of tunneling.
10. To know the process of identifying subsurface features by geophysical methods such as
gravity methods, magnetic methods, electrical methods and seismic methods.
11. To know the methods of improving competence of the site.
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Group - A (Short Answer Questions)
QUESTION
BLOOM’S
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UNIT I
INTRODUCTION AND WEATHERING OF ROCKS
What is mean by engineering geology?
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Write a short note on Environmental Geology
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Describe briefly the layers of interior of earth.
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Describe briefly the layers of interior of earth.
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What is physical weathering?
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What is chemical weathering?
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What are Exogenous geological agents ?
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Describe briefly the layers of interior of earth.
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Write a short note on Attrition
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What is mean by physical weathering?
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Define denudation.
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What is Palaeontology?
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COURSE
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What is Stratigraphy?
What are Endogenous geological agents ?
Draw a neat sketch of Stages of river development.
UNIT II
MINERALOGY
Mention the composition and properties of Quartz
Mention the composition and properties of Feldspars
Mention the composition and properties of Mica
Mention the composition and properties of Calcite
Mention the composition and properties of Chlorite
Mention the composition and properties of Talc
Mention the composition and properties of Gypsum
Mention the composition and properties of Clay Minerals
Mention the composition and properties of Bauxite.
Define a mineral
Define streak
Define lusture
Define cleavage
Define
a) Lamellar form
b) Massive form
Define Fracture
UNIT III
STRUCTURAL GEOLOGY
Write briefly regarding Unconformities
Define Disconformity
Define Non conformity
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UNIT IV
GEOLOGY OF DAMS AND RESERVOIRS
Write about Seismic methods.
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Write about Geothermal methods.
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Write about Gravity methods.
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Write about Grating methods
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Brief on the structure of dam with a neat sketch.
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Write about Gravity dams.
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Write about Buttress dams
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Write about Arch dams.
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Write about Earth dams.
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What is natural electric field and artificial electric field
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Define profiling
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Define Souding
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Define seismic channel
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Write the parts of dam
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Write the difference between rock fill dams and earth fill
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Define outcrop
Define Strike
Define Folds
Define Anticline and Syncline fold
Define Angular unconformity
Define Radial faults
Define Heave and Throw of fault plane
Define foot wall and hanging wall
Define Dextral Fault and Sinistral fault
Write the difference between aquifuge and auiclues
Define Capillary water and Connate water
Define water logging
dams.
UNIT V
TUNNELS
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Define tunnelling.
Write a short note on Lining of tunnels.
Write a short note on Over break.
Different purposes of tunnels
Write a short note on Tunnels faulted strata
Write a short note on Tunnels in folded strata
Write a short note on Tunnels in Faulted formations
Write the importance of ground water condition
What are mining substances?
What are diversion tunnels?
Define pressure tunnels.
What are public utility tunnels?
Define Pressure tunnels?
What is mine subsidence?
Define underground mining?
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COURSE
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Group - II (Long Answer Questions)
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QUESTION
UNIT I
INTRODUCTION AND WEATHERING OF ROCKS
Describe the importance of Engineering Geology in Civil
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Engineering.
Describe the various branches of Engineering Geology?
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Describe briefly few case studies of civil engineering failures
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due to geological drawback
What is meant by “meandering of a river”?
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Write the importance of physical geology & structural geology.
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What is meant by weathering of rocks? Explain in detail
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different geological agents responsible for weathering of rocks.
Explain chemical and biological weathering.
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Describe the weathering due to air & water in detail.
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Explain physical weathering and frost weathering in detail.
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“The knowledge of geology is very essential at planning stage,
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design stage and construction stage of any Civil Engineering
project”. Justify this statement with a reference to a Dam site
selection.
Write in Detail About the Structure of the Earth and its
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composition with a neat Diagram.
Give an account on mode of occurrence and prospection of
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Ground Water.
Describe in detail about Structural Geology.
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Write in detail about the scope of Geology and importance of
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Geology in Civil engineering.
Explain the process associated with river, wind, sea. Write the
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engineering significance.
Explain the development of a meander with neat sketches.
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Discuss the relationship between the Engineering Geologists
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and Civil
Engineers.
UNIT II
MINERALOGY
How can you identify a mineral by the help of their physical
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and chemical properties ?
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Add notes on the following physical characteristics that are
useful for the identification of rocks and minerals.
( I ) Colour (ii ) Streak (iii) Hardness (iv) Form
Define Mineral. How are the minerals classified?
Explain the physical properties of the following minerals.
i. Feldspar ii. Hornblende iii. Talc iv. Biotite
Explain the significance of different Physical properties in
mineral identification.
On the basis of silicate structure, classify silicate minerals into
various groups. Explain the structure of each group in detail.
Discuss thoroughly about the structures of Igneous Rocks.
(Illustrate your answer with neat diagrammatic sketches)
With the help of neat diagrammatic sketches, describe briefly
on Primary Sedimentary Structures.
Differentiate between
a. Sandstone and Shale
b. Shale and Limestone
c. Conglomerate and Breccia.
Describe the different types of rocks. Give the classification,
texture and structure of igneous, sedimentary and metamorphic
rocks.
Differentiate between:
a. Quartzite and Marble
b. Gneiss and Schist
c. Gneiss and Slate
Explain the physical properties of Feldspar group of Minerals.
Write different methods of study of Minerals.
Explain the physical properties of Quartz group of minerals.
Explain the physical properties of Augite, Hornblende.
Give a detailed account on chemical composition , Physical
properties, Origin occurrence, engineering behavior and uses of
Clay minerals.
Explain the term Lustre and types of Lustre in detail.
Explain the term Fracture and types of Fracture in detail.
Explain the term Form. Give atleast five types of Form in detail
Civil engineering importance of rock forming minerals.
UNIT III
STRUCTURAL GEOLOGY
Explain briefly a. Fold b. Fault c. Joint. (Illustrate your
answer with neat diagrammatic sketches)
Write about Geological controls on Groundwater Movement.
Discuss, in brief, the causes and effects of earthquakes. In this
connection enumerate some of the major Indian earthquakes
and comment on the possible mode of origin.
What is a water table and what are the types of ground water
which occurs in the zone of aeration and saturation.
Discuss thoroughly about the Dip strike.
Discuss the various Groundwater movements
What is a fault? Discuss the various types of faults and write
about the engineering applications.
Write an essay on Classification and Causes of Earthquakes?
Describe the Civil Engineering Considerations in Seismic Areas
with reference to building Construction.
Write in detail about landslides and their causative effects.
Explain about the measures to prevent them.
What is a fold? Discuss the various types of faults and write
about the engineering applications.
What is a joint? Discuss the various types of faults and write
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about the engineering applications.
Discuss thoroughly about the types of unconformity.
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Classify folds and faults and explain how they influence the
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design of dams.
Classification of Rocks based on porosity and permeability.
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Explain water table and types of ground water.
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Explain types of Aquifers.
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What is Cone of depression. Explain neatly with diagram.
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Explain Geological investigation of ground water.
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Explain Hydrologica investigation of ground water.
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Explain Geophysical investigation of ground water.
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UNIT IV
GEOLOGY OF DAMS AND RESERVOIRS
What are the Geological Considerations necessary in the
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selection of a Dam Site?
Discuss the foundation and abutment competency of rocks
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with reference to dams.
Explain the geological Causes for the Failure of Dams, with a
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few Case Histories.
Explain the geological factors influencing water tightness and
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life of
reservoirs and write a short note on geological considerations
in the leakage of reservoirs.
Discuss the influence of Geological Structures over Dams.
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Explain the considerations of different types of rocks at the
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dam site construction.
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Explain in detail the role of electrical methods of subsurface
investigation in civil engineering practice.
Explain the following Geophysical methods.
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(a) Seismic methods. (b) Geothermal methods.
Describe the principle of gravity method with the help of a neat
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sketch. What are the different parameters measured?
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Write about the various electrical conductivity and resistivity
methods.
Describe seismic refraction survey to de conducted for
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determining the depth of bed rock.
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Discuss in detail electrical method of investigation for ground
water exploration.
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Explain different kinds of gravity methods that are followed
during the investigations.
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Explain in detail the role of electrical methods of subsurface
investigation in civil engineering practice.
Explain in detail about Magnetic method?
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Explain in detail about Seismic method?
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Explain in detail about RadioMetric method?
Analyse
Explain in detail about Profiling?
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Explain in detail about Sounding?
Analyse
What are the instruments used in Seismic Studies. Explain any
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one in detail.
UNIT V
TUNNELS
What is a tunnel? Explain the terms that are used in tunnels
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with neat sketches. Also explain the purpose of tunneling.
(a) Mention the deteriorating effects produced in the ground
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during the excavation of tunnels.
(b) Mention the variety of purposes served by tunnels.
What is the role of lithology and geological structures in
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successful tunneling?
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Write a short notes on a) effects of tunneling on the ground and
b) Over break
What is meant by lining in tunnels? Discuss the lithological
and structural reasons that necessitate lining.
What are the various geological factors to be considered for the
construction of tunnels? Explain in detail with examples .
Explain how the study of bed rocks is essential before the
construction of tunnels
What are the various geological factors to be considered for the
construction of tunnels? Explain in detail with examples.
What are the various geological factors to be considered for the
construction of, road cuttings? Explain in detail with examples.
What are the various geological factors to be considered for the
construction of buildings? Explain in detail with examples.
Importance of rock type in Geological considerations for
successful tunneling?
What are the effects of Joints at the Tunnel side?
What are the effects of Faults at the Tunnel side?
What are the effects of Folds at the Tunnel side?
Role of Lithology in Ground water problems at the tunnel side?
Role of Geological Structures in ground water at the tunnel
side?
What is the role of Sedimentary rocks at the tunnel site?
What is the role of Igneous and metamorphic rocks at the
Tunnel site?
What are the effects on Horizontal beds of tilted Strata at the
Tunnel site?
What are the effects on Inclined beds of tilted Strata at the
Tunnel site?
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HOD, CE