2018 011305

B.Tech 3rd Semester Exam., 2018

Time 03 Hours
Full Marks 70
Instructions:
  • The marks are indicated in the right-hand margin.
  • There are NINE questions in this paper.
  • Attempt FIVE questions in all.
  • Question No. 1 is compulsory.

Q.1 Choose the correct option from the following (any seven):

Q1.1

S-wave does not pass through

a)

sedimentary rocks

b)

ore bodies

c)

liquids

d)

solidified igneous masses

Q1.2

The record of propagation of seismic waves as recorded at the specific purpose station is called

a)

seismograph

b)

seismogram

c)

S-P travel-time curve

d)

None of the above

Q1.3

An aquifer is a rock formation which is

a)

porous and not necessarily permeable

b)

porous and essentially permeable

c)

highly porous and impermeable

d)

None of the above

Q1.4

Kankar is a variety of

a)

sandstone

b)

limestone

c)

shale

d)

coal

Q1.5

Rocks are __________ so far as their elastic constants are considered.

a)

isotropic

b)

anisotropic

c)

partly isotropic

d)

None of the above

Q1.6

The capacity of a stone to withstand scratching action is defined as

a)

strength

b)

hardness

c)

durability

d)

None of the above

Q1.7

In a natural soil profile, the rock zone will be

a)

at the surface

b)

somewhere in middle

c)

at the base

d)

absent

Q1.8

Loss angles test is used for

a)

toughness test

b)

abrasion test

c)

attrition test

d)

density test

Q1.9

A good quality stone must absorb water less than

a)

2-5%

b)

5%

c)

10%

d)

20%

Q1.10

Stone generally used for railway ballast is

a)

sandstone

b)

limestone

c)

marble

d)

basalt or trap basalt

Q.2 Solve both questions :

Q2.1

Define engineering geology. Add a note on its importance in civil engineering.

Q2.2

What is meant by weathering of rocks? Describe in detail the type of rock weathering.

Q.3 Solve this question :

Q3.1

What are sedimentary rocks? How are they formed? Describe in detail the classification of sedimentary rocks. Add a note on the engineering and economic significance of sedimentary rocks.

Q.4 Solve both questions :

Q4.1

Describe the geology around Bhakra-Nangal project. Discuss how geological problems were controlled during the dam construction.

Q4.2

Describe the few examples to explain the purpose of underground installations.

Q.5 Solve both questions :

Q5.1

Define earthquake. Give a detailed account of origin of tectonic earthquake and their distribution on globe.

Q5.2

Write an essay on internal and external cause of slides as they are commonly understood.

Q.6 Solve both questions :

Q6.1

Give a note about remote sensing and briefly explain the different types of remote sensing.

Q6.2

Give an account of different methods used for exploration of groundwater reserves.

Q.7 Solve this question :

Q7.1

With the aid of diagrams, describe the procedures in determining rock strength using the following tests:
(a) Point-load index test
(b) Triaxial compressive test
(c) Tensile strength by Brazilian test
(d) Abrasive resistance by Dory's abrasion testing machine

Q.8 Solve both questions :

Q8.1

Discuss the objects and general methods of geological investigation for major engineering projects.

Q8.2

Write an essay on 'soil erosion-causes and control'.

Q.9 Write short notes on any four of the following:

Q9.1
a)

Crystallography

b)

Outline of stratigraphy of India

c)

Impact test

d)

Formation of igneous rock with suitable example

e)

Difference between groundwater and artesian water

f)

Assessment of seismic risks


2018 V2 011305

B.Tech 3rd Semester Exam., 2018

Time 03 Hours
Full Marks 70
Instructions:
  • The marks are indicated in the right-hand margin.
  • There are NINE questions in this paper.
  • Attempt FIVE questions in all.
  • Question No. 1 is compulsory.

Q.1 Choose the correct option from the following (any seven):

Q1.1

S-wave does not pass through

a)

sedimentary rocks

b)

ore bodies

c)

liquids

d)

solidified igneous masses

Q1.2

The record of propagation of seismic waves as recorded at the specific purpose station is called

a)

seismograph

b)

seismogram

c)

S-P travel-time curve

d)

None of the above

Q1.3

An aquifer is a rock formation which is

a)

porous and not necessarily permeable

b)

porous and essentially permeable

c)

highly porous and impermeable

d)

None of the above

Q1.4

Kankar is a variety of

a)

sandstone

b)

limestone

c)

shale

d)

coal

Q1.5

Rocks are __________ so far as their elastic constants are considered.

a)

isotropic

b)

anisotropic

c)

partly isotropic

d)

None of the above

Q1.6

The capacity of a stone to withstand scratching action is defined as

a)

strength

b)

hardness

c)

durability

d)

None of the above

Q1.7

In a natural soil profile, the rock zone will be

a)

at the surface

b)

somewhere in middle

c)

at the base

d)

absent

Q1.8

Loss angles test is used for

a)

toughness test

b)

abrasion test

c)

attrition test

d)

density test

Q1.9

A good quality stone must absorb water less than

a)

2-5%

b)

5%

c)

10%

d)

20%

Q1.10

Stone generally used for railway ballast is

a)

sandstone

b)

limestone

c)

marble

d)

basalt or trap basalt

Q.2 Solve both questions :

Q2.1

Define engineering geology. Add a note on its importance in civil engineering.

Q2.2

What is meant by weathering of rocks? Describe in detail the type of rock weathering.

Q.3 Solve this question :

Q3.1

What are sedimentary rocks? How are they formed? Describe in detail the classification of sedimentary rocks. Add a note on the engineering and economic significance of sedimentary rocks.

Q.4 Solve both questions :

Q4.1

Describe the geology around Bhakra-Nangal project. Discuss how geological problems were controlled during the dam construction.

Q4.2

Describe the few examples to explain the purpose of underground installations.

Q.5 Solve both questions :

Q5.1

Define earthquake. Give a detailed account of origin of tectonic earthquake and their distribution on globe.

Q5.2

Write an essay on internal and external cause of slides as they are commonly understood.

Q.6 Solve both questions :

Q6.1

Give a note about remote sensing and briefly explain the different types of remote sensing.

Q6.2

Give an account of different methods used for exploration of groundwater reserves.

Q.7 Solve this question :

Q7.1

With the aid of diagrams, describe the procedures in determining rock strength using the following tests:
(a) Point-load index test
(b) Triaxial compressive test
(c) Tensile strength by Brazilian test
(d) Abrasive resistance by Dory's abrasion testing machine

Q.8 Solve both questions :

Q8.1

Discuss the objects and general methods of geological investigation for major engineering projects.

Q8.2

Write an essay on 'soil erosion-causes and control'.

Q.9 Write short notes on any four of the following:

Q9.1
  1. Crystallography
  2. Outline of stratigraphy of India
  3. Impact test
  4. Formation of igneous rock with suitable example
  5. Difference between groundwater and artesian water
  6. Assessment of seismic risks
a)

Crystallography

b)

Outline of stratigraphy of India

c)

Impact test

d)

Formation of igneous rock with suitable example

e)

Difference between groundwater and artesian water

f)

Assessment of seismic risks


2017 011305

B.Tech 3rd Semester Exam., 2017

Time 03 Hours
Full Marks 70
Instructions:
  • All questions carry equal marks.
  • There are NINE questions in this paper.
  • Attempt FIVE questions in all.
  • Question No. 1 is compulsory.

Q.1 Write in short (limiting to five sentences) on the following:

Q1.1

Diagnostic physical properties of calcite

Q1.2

Characteristics of valleys formed by tectonic activity

Q1.3

Transform faults and earthquakes

Q1.4

Ground penetrating radar and its application

Q1.5

Causes for depletion of groundwater level

Q1.6

S-wave characteristics

Q1.7

Megascopic properties of any clastic sedimentary rock

Q.2 Solve both questions :

Q2.1

Describe the landforms developed by stream during young and mature stage.

Q2.2

Explain the texture observed in gabbro rock.

Q.3 Solve both questions :

Q3.1

Describe the components of fold and classification of fold.

Q3.2

Explain the difference between the strike slip and the dip-slip fault.

Q.4 Solve both questions :

Q4.1

Describe the causes of landslides and its preventive measures.

Q4.2

Write about the surface and sub-surface investigations for the selection of a dam site.

Q.5 Solve both questions :

Q5.1

Explain briefly the stratigraphy of the Himalayan region of any State.

Q5.2

Write the concept of dip and strike and its application in tunnelling.

Q.6 Solve both questions :

Q6.1

Describe the classification of igneous rocks.

Q6.2

Explain the principle and application of the seismic method.

Q.7 Solve both questions :

Q7.1

Write the concept of GIS and its application in different geological investigations.

Q7.2

Describe the different layers of atmosphere and their characteristics.

Q.8 Solve both questions :

Q8.1

Write down the different textures of metamorphic rocks.

Q8.2

Explain the crystal systems and their axis of symmetry.

Q.9 Write short notes on the following:

Q9.1
a)

Sills and dykes

b)

Shear joints and thrust fault

c)

Radioisotopes and their applications

d)

Engineering properties of rock


2017 V2 011305

B.Tech 3rd Semester Exam., 2017

Time 03 Hours
Full Marks 70
Instructions:
  • All questions carry equal marks.
  • There are NINE questions in this paper.
  • Attempt FIVE questions in all.
  • Question No. 1 is compulsory.

Q.1 Write in short (limiting to five sentences) on the following:

Q1.1

Diagnostic physical properties of calcite

Q1.2

Characteristics of valleys formed by tectonic activity

Q1.3

Transform faults and earthquakes

Q1.4

Ground penetrating radar and its application

Q1.5

Causes for depletion of groundwater level

Q1.6

S-wave characteristics

Q1.7

Megascopic properties of any clastic sedimentary rock

Q.2 Solve both questions :

Q2.1

Describe the landforms developed by stream during young and mature stage.

Q2.2

Explain the texture observed in gabbro rock.

Q.3 Solve both questions :

Q3.1

Describe the components of fold and classification of fold.

Q3.2

Explain the difference between the strike slip and the dip-slip fault.

Q.4 Solve both questions :

Q4.1

Describe the causes of landslides and its preventive measures.

Q4.2

Write about the surface and sub-surface investigations for the selection of a dam site.

Q.5 Solve both questions :

Q5.1

Explain briefly the stratigraphy of the Himalayan region of any State.

Q5.2

Write the concept of dip and strike and its application in tunnelling.

Q.6 Solve both questions :

Q6.1

Describe the classification of igneous rocks.

Q6.2

Explain the principle and application of the seismic method.

Q.7 Solve both questions :

Q7.1

Write the concept of GIS and its application in different geological investigations.

Q7.2

Describe the different layers of atmosphere and their characteristics.

Q.8 Solve both questions :

Q8.1

Write down the different textures of metamorphic rocks.

Q8.2

Explain the crystal systems and their axis of symmetry.

Q.9 Write short notes on the following:

Q9.1
  1. Sills and dykes
  2. Shear joints and thrust fault
  3. Radioisotopes and their applications
  4. Engineering properties of rock
a)

Sills and dykes

b)

Shear joints and thrust fault

c)

Radioisotopes and their applications

d)

Engineering properties of rock


2016 011305

B.Tech 3rd Semester Examination, 2016

Time 03 Hours
Full Marks 70
Instructions:
  • There are Nine Questions in this Paper.
  • Attempt Five questions in all.
  • Question No. 1 is Compulsory.
  • The marks are indicated in the right hand margin.
  • Make the diagram essentially wherever it is required.

Q.1 Write in short limiting to five sentences:

Q1.1

Diagnostic physical properties of Fluorite

Q1.2

Characteristics of sand dunes.

Q1.3

Recumbent Fold.

Q1.4

Over thrust.

Q1.5

Unconfined Aqifer.

Q1.6

L-wave characteristics.

Q1.7

Megascopic properties of any non-clastic sedimentary rock

Q.2 Solve both questions :

Q2.1

Describe the landforms developed by glaciers during young and mature stage.

Q2.2

Explain the texture observed in Granite rock.

Q.3 Solve both questions :

Q3.1

Describe the components of Fault and classification of Fault.

Q3.2

Explain the difference between the plunging and Non-Plunging Fold.

Q.4 Solve both questions :

Q4.1

Describe the causes of earthquakes and its classification.

Q4.2

Surface and sub-surface investigation for selection of Tunnelling site.

Q.5 Solve both questions :

Q5.1

Explain the stratigraphy of Gondwana basin.

Q5.2

Concept of Dip and strike and its application.

Q.6 Solve both questions :

Q6.1

Describe the classification of Metamorphic rocks.

Q6.2

Explain the principle and application of seismic method.

Q.7 Solve both questions :

Q7.1

Concept of GPS and its application in different geological investigations.

Q7.2

Describe the different layers of Atmosphere and their characteristics.

Q.8 Solve both questions :

Q8.1

Write down the different textures of igneous rocks.

Q8.2

Explain the crystal system and their axis of symmetry.

Q.9 Write short notes on following:

Q9.1
a)

Phaccolith and Dykes

b)

Isoclinal folds and fold axis

c)

Ground penetrating Radar and their application

d)

Engineering properties of Sandstone


2016 V2 011305

B.Tech 3rd Semester Examination, 2016

Time 03 Hours
Full Marks 70
Instructions:
  • There are Nine Questions in this Paper.
  • Attempt Five questions in all.
  • Question No. 1 is Compulsory.
  • The marks are indicated in the right hand margin.
  • Make the diagram essentially wherever it is required.

Q.1 Write in short limiting to five sentences:

Q1.1

Diagnostic physical properties of Fluorite

Q1.2

Characteristics of sand dunes.

Q1.3

Recumbent Fold.

Q1.4

Over thrust.

Q1.5

Unconfined Aqifer.

Q1.6

L-wave characteristics.

Q1.7

Megascopic properties of any non-clastic sedimentary rock

Q.2 Solve both questions :

Q2.1

Describe the landforms developed by glaciers during young and mature stage.

Q2.2

Explain the texture observed in Granite rock.

Q.3 Solve both questions :

Q3.1

Describe the components of Fault and classification of Fault.

Q3.2

Explain the difference between the plunging and Non-Plunging Fold.

Q.4 Solve both questions :

Q4.1

Describe the causes of earthquakes and its classification.

Q4.2

Surface and sub-surface investigation for selection of Tunnelling site.

Q.5 Solve both questions :

Q5.1

Explain the stratigraphy of Gondwana basin.

Q5.2

Concept of Dip and strike and its application.

Q.6 Solve both questions :

Q6.1

Describe the classification of Metamorphic rocks.

Q6.2

Explain the principle and application of seismic method.

Q.7 Solve both questions :

Q7.1

Concept of GPS and its application in different geological investigations.

Q7.2

Describe the different layers of Atmosphere and their characteristics.

Q.8 Solve both questions :

Q8.1

Write down the different textures of igneous rocks.

Q8.2

Explain the crystal system and their axis of symmetry.

Q.9 Write short notes on following:

Q9.1
  1. Phaccolith and Dykes
  2. Isoclinal folds and fold axis
  3. Ground penetrating Radar and their application
  4. Engineering properties of Sandstone
a)

Phaccolith and Dykes

b)

Isoclinal folds and fold axis

c)

Ground penetrating Radar and their application

d)

Engineering properties of Sandstone


2015 011305

B.Tech 3rd Semester Exam., 2015

Time 03 Hours
Full Marks 70
Instructions:
  • The marks are indicated in the right-hand margin.
  • There are NINE questions in this paper.
  • Attempt FIVE questions in all.
  • Question No. 1 is compulsory.

Q.1 Choose the correct option (any seven):

Q1.1

The ozone layer is located in

a)

the troposphere

b)

the stratosphere

c)

the ionosphere

d)

the exosphere

Q1.2

The base level of river erosion means

a)

the lowest level of a river valley in a given region

b)

the lowest level upto which a stream can theoretically cut down its channel

c)

the capacity of a river to erode its base

d)

None of the above

Q1.3

Tectonic valleys are

a)

caused by river erosion

b)

glacial deposition

c)

subsidence of a central block along parallel faults or due to synclinal folding

d)

None of the above

Q1.4

An interfacial angle is

a)

an external angle between a given face and the extension of the adjoining face

b)

an internal angle between two adjoining faces

c)

an angle between any twin faces on the same side of a crystal

d)

None of the above

Q1.5

Plutonic rocks are always formed from the cooling of

a)

the lava under water

b)

magma just below the surface of the earth

c)

lava over the surface of the earth

d)

magma at great depths below the surface of the earth

Q1.6

Stress minerals are characterised with

a)

flaky, platy and elongated shapes

b)

angular, regular and polyhedral outlines

c)

perfectly rounded and granular minerals

d)

None of the above

Q1.7

The capacity of a stone to withstand scratching or indenting action is defined as its

a)

strength

b)

durability

c)

hardness

d)

None of the above

Q1.8

S-wave do not pass through

a)

sedimentary rocks

b)

ore bodies

c)

liquids

d)

solidified igneous masses

Q1.9

Transported soils are those

a)

which are brought from another place by man after digging and transporting them by artificial methods

b)

which are covered by vegetable and other materials brought by river during floods

c)

which are themselves brought by wind, water and ice from far-off places and are deposited at a place of accumulation

d)

None of the above

Q1.10

Richter scale measures

a)

radio activity

b)

temperature

c)

pressure

d)

intensity of earthquake

Q.2 Solve this question :

Q2.1

What are the factors affecting weathering of rocks? Discuss. Explain the term 'aeolian deposits'.

Q.3 Solve this question :

Q3.1

What do you understand by the terms 'folds and folding'? Explain. Sketch and define isoclinal fold.

Q.4 Solve this question :

Q4.1

Define crystal, crystal symmetry, crystal form and crystallographic system.

Q.5 Solve this question :

Q5.1

What are the factors that contribute to the texture of sedimentary rocks? Explain briefly.

Q.6 Sketch and describe the following briefly :

Q6.1

Vertical faults

Q6.2

Shear joints

Q6.3

Dip

Q.7 Solve this question :

Q7.1

What are the hardware components of GIS? Distinguish between spatial and non-spatial data.

Q.8 Solve this question :

Q8.1

What are the causes of reservoir associated earthquakes? Describe.

Q.9 Write notes on the following:

Q9.1
a)

Basalts

b)

Limestones

c)

Quartzites

d)

Storage capacity of reservoirs


2015 V2 011305

B.Tech 3rd Semester Exam., 2015

Time 03 Hours
Full Marks 70
Instructions:
  • The marks are indicated in the right-hand margin.
  • There are NINE questions in this paper.
  • Attempt FIVE questions in all.
  • Question No. 1 is compulsory.

Q.1 Choose the correct option (any seven):

Q1.1

The ozone layer is located in

a)

the troposphere

b)

the stratosphere

c)

the ionosphere

d)

the exosphere

Q1.2

The base level of river erosion means

a)

the lowest level of a river valley in a given region

b)

the lowest level upto which a stream can theoretically cut down its channel

c)

the capacity of a river to erode its base

d)

None of the above

Q1.3

Tectonic valleys are

a)

caused by river erosion

b)

glacial deposition

c)

subsidence of a central block along parallel faults or due to synclinal folding

d)

None of the above

Q1.4

An interfacial angle is

a)

an external angle between a given face and the extension of the adjoining face

b)

an internal angle between two adjoining faces

c)

an angle between any twin faces on the same side of a crystal

d)

None of the above

Q1.5

Plutonic rocks are always formed from the cooling of

a)

the lava under water

b)

magma just below the surface of the earth

c)

lava over the surface of the earth

d)

magma at great depths below the surface of the earth

Q1.6

Stress minerals are characterised with

a)

flaky, platy and elongated shapes

b)

angular, regular and polyhedral outlines

c)

perfectly rounded and granular minerals

d)

None of the above

Q1.7

The capacity of a stone to withstand scratching or indenting action is defined as its

a)

strength

b)

durability

c)

hardness

d)

None of the above

Q1.8

S-wave do not pass through

a)

sedimentary rocks

b)

ore bodies

c)

liquids

d)

solidified igneous masses

Q1.9

Transported soils are those

a)

which are brought from another place by man after digging and transporting them by artificial methods

b)

which are covered by vegetable and other materials brought by river during floods

c)

which are themselves brought by wind, water and ice from far-off places and are deposited at a place of accumulation

d)

None of the above

Q1.10

Richter scale measures

a)

radio activity

b)

temperature

c)

pressure

d)

intensity of earthquake

Q.2 Solve this question :

Q2.1

What are the factors affecting weathering of rocks? Discuss. Explain the term 'aeolian deposits'.

Q.3 Solve this question :

Q3.1

What do you understand by the terms 'folds and folding'? Explain. Sketch and define isoclinal fold.

Q.4 Solve this question :

Q4.1

Define crystal, crystal symmetry, crystal form and crystallographic system.

Q.5 Solve this question :

Q5.1

What are the factors that contribute to the texture of sedimentary rocks? Explain briefly.

Q.6 Sketch and describe the following briefly :

Q6.1

Vertical faults

Q6.2

Shear joints

Q6.3

Dip

Q.7 Solve this question :

Q7.1

What are the hardware components of GIS? Distinguish between spatial and non-spatial data.

Q.8 Solve this question :

Q8.1

What are the causes of reservoir associated earthquakes? Describe.

Q.9 Write notes on the following:

Q9.1
  1. Basalts
  2. Limestones
  3. Quartzites
  4. Storage capacity of reservoirs
a)

Basalts

b)

Limestones

c)

Quartzites

d)

Storage capacity of reservoirs


2014 011305

B.Tech. 3rd Semester Exam., 2014

Time 03 Hours
Full Marks 70
Instructions:
  • The marks are indicated in the right-hand margin.
  • There are NINE questions in this paper.
  • Attempt FIVE question in all.
  • Question No. 1 is compulsory.

Q.1 Choose the most appropriate option of the following (any seven):

Q1.1

Loess is the name given to

a)

heaps of sand accumulated in and around town due to wind transport

b)

extensive deposits of silt and clay made by wind in many areas over the years

c)

a depression in a desert where groundwater has appeared due to excessive erosion

d)

None of the above

Q1.2

A fault is essentially a fracture

a)

with or without relative displacement having taken place at its surface

b)

along with some definite amount of relative displacement

c)

the opening without displacement

d)

None of the above

Q1.3

Streak of a mineral is

a)

its appearance in diffused light obtained by rotating it

b)

its appearance in thin section as seen under a polarizing microscope

c)

colour of the powder of a coloured mineral as obtained by rubbing it on a porcelain plate

d)

None of the above

Q1.4

Felspars are formed by

a)

process of crystallization from igneous melts

b)

condensation of vapours from volcanic emanations

c)

evaporation and precipitation from saturated solutions over the surface of the earth

d)

None of the above

Q1.5

Flint is a variety of sedimentary rocks formed by

a)

mechanical processes like erosion, transport, deposition and welding

b)

organic process like accumulation of remains of siliceous-bodied animals

c)

chemical process of precipitation from seawater rich in amorphous silica

d)

None of the above

Q1.6

Coal deposits are formed due to

a)

thermal metamorphism of organic source material

b)

accumulation of vegetable matter in a proper sedimentary environment and its subsequent biochemical and mechanical transformation

c)

some undefined igneous process which is yet to be understood

d)

None of the above

Q1.7

An aquifer is a rock formation which is

a)

porous and not necessarily permeable

b)

highly porous and impermeable

c)

porous and essentially permeable

d)

None of the above

Q1.8

The stratified rocks are more likely to fail, when other things being same, the dip is

a)

towards the free side of the valley or road cut

b)

backwards, deep into the hills

c)

parallel with the road cut

d)

None of the above

Q1.9

Rock quality designation (RQD) indicates

a)

velocity of seismic waves in rock

b)

resistivity to electric current in rocks

c)

percentage recovery of unbroken solid core from a borehole

d)

None of the above

Q1.10

A geological formation, which is essentially impermeable for flow of water even though it may contain water in its pores, is called

a)

aquiclude

b)

aquifer

c)

aquifuge

d)

equiflow

Q.2 Solve this question :

Q2.1

What do you understand by weathering of rocks? Define mechanical weathering and briefly explain various agencies of mechanical weathering.

Q.3 Solve this question :

Q3.1

Discuss briefly the theory of plate tectonics. What are the types of movements?

Q.4 Solve this question :

Q4.1

Explain the textures of igneous rocks. Discuss briefly the factors which control the texture. List out the types of textures.

Q.5 With neat sketches, explain the following:

Q5.1

Normal faults

Reverse faults

Dip faults

Q.6 Solve this question :

Q6.1

What is electrical resistivity in sub-surface investigation? Discuss briefly its various applications in civil engineering.

Q.7 Solve this question :

Q7.1

Give a general account of geological characters that have to be known for location of a 'dam'.

Q.8 Write notes on the following:

Q8.1

Granite

Sandstone

Marble

Q.9 Solve this question :

Q9.1

Define GIS. What are the software components of GIS? List them.


2014 V4 011305

B.Tech. 3rd Semester Exam., 2014

Time 03 Hours
Full Marks 70
Instructions:
  • The marks are indicated in the right-hand margin.
  • There are NINE questions in this paper.
  • Attempt FIVE question in all.
  • Question No. 1 is compulsory.

Q.1 Choose the most appropriate option of the following (any seven):

Q1.1

Loess is the name given to

a)

heaps of sand accumulated in and around town due to wind transport

b)

extensive deposits of silt and clay made by wind in many areas over the years

c)

a depression in a desert where groundwater has appeared due to excessive erosion

d)

None of the above

Q1.2

A fault is essentially a fracture

a)

with or without relative displacement having taken place at its surface

b)

along with some definite amount of relative displacement

c)

the opening without displacement

d)

None of the above

Q1.3

Streak of a mineral is

a)

its appearance in diffused light obtained by rotating it

b)

its appearance in thin section as seen under a polarizing microscope

c)

colour of the powder of a coloured mineral as obtained by rubbing it on a porcelain plate

d)

None of the above

Q1.4

Felspars are formed by

a)

process of crystallization from igneous melts

b)

condensation of vapours from volcanic emanations

c)

evaporation and precipitation from saturated solutions over the surface of the earth

d)

None of the above

Q1.5

Flint is a variety of sedimentary rocks formed by

a)

mechanical processes like erosion, transport, deposition and welding

b)

organic process like accumulation of remains of siliceous-bodied animals

c)

chemical process of precipitation from seawater rich in amorphous silica

d)

None of the above

Q1.6

Coal deposits are formed due to

a)

thermal metamorphism of organic source material

b)

accumulation of vegetable matter in a proper sedimentary environment and its subsequent biochemical and mechanical transformation

c)

some undefined igneous process which is yet to be understood

d)

None of the above

Q1.7

An aquifer is a rock formation which is

a)

porous and not necessarily permeable

b)

highly porous and impermeable

c)

porous and essentially permeable

d)

None of the above

Q1.8

The stratified rocks are more likely to fail, when other things being same, the dip is

a)

towards the free side of the valley or road cut

b)

backwards, deep into the hills

c)

parallel with the road cut

d)

None of the above

Q1.9

Rock quality designation (RQD) indicates

a)

velocity of seismic waves in rock

b)

resistivity to electric current in rocks

c)

percentage recovery of unbroken solid core from a borehole

d)

None of the above

Q1.10

A geological formation, which is essentially impermeable for flow of water even though it may contain water in its pores, is called

a)

aquiclude

b)

aquifer

c)

aquifuge

d)

equiflow

Q.2 Solve this question :

Q2.1

What do you understand by weathering of rocks? Define mechanical weathering and briefly explain various agencies of mechanical weathering.

Q.3 Solve this question :

Q3.1

Discuss briefly the theory of plate tectonics. What are the types of movements?

Q.4 Solve this question :

Q4.1

Explain the textures of igneous rocks. Discuss briefly the factors which control the texture. List out the types of textures.

Q.5 With neat sketches, explain the following:

Q5.1

Normal faults

Reverse faults

Dip faults

Q.6 Solve this question :

Q6.1

What is electrical resistivity in sub-surface investigation? Discuss briefly its various applications in civil engineering.

Q.7 Solve this question :

Q7.1

Give a general account of geological characters that have to be known for location of a 'dam'.

Q.8 Write notes on the following:

Q8.1

Granite

Sandstone

Marble

Q.9 Solve this question :

Q9.1

Define GIS. What are the software components of GIS? List them.


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