M.Sc. (Semester III) (CBCS) (CGPA) Examination Mar/Apr-2018
Applied Geology
ENGINEERING GEOLOGY MINING GEOLOGY
Time: 2½ Hours
Max. Marks: 70
Instructions: Answer any five questions. All questions carry equal marks. Question No. 1 is compulsory. Answer any two questions from Q. 4 and any two questions from Q. 6 7. Draw neat and labeled diagrams whenever necessary.
Q.1
Fill in the blank with appropriate word:-
14
In folded rocks the tunnel may be excavated along or across the trend of
Fold axis
Strike line
Faucet line
Along dip direction
In arch dam the thrust of water in the reservoir is transmitted.
To walls of river valley on either side
At the centre of dam
At the base of dam
Below the reservoir rocks
Both and waves are called as
Surface waves
Shear waves
Body waves
Long waves
The unfavourable site for dam site is
Anticline
Syncline
Downstream dipping beds
None of the above
Comminution is the process of
Size reduction
Concentration of valuables
Liberation of valuable minerals from the gangue
Sorting of the particles
Which of the following is the most feebly magnetic among the following?
Quartz
Rutile
Magnesite
Galena
A buttress dam is generally more economic if
River valley is broad
Abutments are strong and valley is narrow
Abutments are elayey
Dam is to be constructed on lime stone foundation.
Screens are generally classified as
Fixed and moving
Under and lower
Left and right
Front and back
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SLR-UB-45
The country rock occurring above the vein of ore body is known as
Hanging wall
Stope
Raise
Winze
10) Sandur of Bellary district in Karnataka is known for deposits.
Iron one
Gold
Bauxite
Barytes
11) The feasibility report of a mine is based on
Measured reserves
Indicated reserves
Inferred reserves
None of the above
12) Which of the following are more suitable for underground mining of ore bodies situated at greater depths?
Horizontal shapes
Inclined shapes
Vertical shapes
None of the above
13) If in the mines, tunnels are made downward to connect upper level to lower one is known as
Cross cut
Conduit
Winze
Subway tunnel
14) Impact of the explosive in sand is
High
Medium
Low
All the above
Q.2
Explain geological investigation for civil engineering.
14
Q.3
Discuss causes and mitigation of Earthquakes.
14
Q.4
Discuss Geotechnical study of Koyana dam.
14
Q.5
Write short notes on:
14
Alluvial mining
Rock aggregate and their classification
Q.6
Discuss in brief of the following:
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Underground mining operations
Mine hazards and diseases
Q.7
Write in brief
14
Silting of reservoirs
Diamond drilling