M.Sc. (Semester III) (CBCS) Examination Nov/Dec-2018
Applied Geology
ENGINEERING GEOLOGY AND MINING GEOLOGY
Time: 2½ Hours Max. Marks: 70
Instructions: All questions are compulsory.
Figures to the right indicate full marks.
Q.1 Rewrite the sentences by choosing correct answer from given alternatives: 14
Tensile stress is
Stress caused by varying loads
Stress due to any force
Stress due to change in length
Ratio of increase or decrease in length of the unloaded piece under tensile
force
Idduki dam is an example of
Gravity dam Arch dam
Earth dam Buttress dam
When the aggregate is sieved through sieve, the aggregate
passed through it called as fine aggregates.
4.45 mm 4.49 mm
4.75 mm 5.0 mm
Intensity of earthquake is measured in
Richter scale MSK scale
both of above None of the above
If the moisture condition of an aggregate is greater than its absorption
potential is called as
Oven-dry Air-dry
Saturated surface dry Damp or wet
Two methods used in mining are
Surface mining and subsurface mining
Surface mining and open cast mining
Underground mining and Underwater mining
None of the above
If the RQD value of the rock becomes less than 25% then it is called as
Very good rock Poor rock
Excellent rock Very poor rock
Which of the following type of rocks has the highest compressive strength
Diorite Shale
Gneiss marble
The very slow down slope movement of a dry soil is called as
Solifluction Slide
Creep Earthflow
10) Quarries are generally
Open pits Surface coal mine
Underground mines Explosive mines
Page 2 of 2
SLR-VB-36
11) When minerals are located too dip in the earth's subsurface then method
used for mining is
Open pit mining Quarries
Surface mining Subsurface mining
12) Types of surface mining include
Open pits only Quarries only
Surface coat mines All of the above
13) A retaining wall supporting the ends of a bridge, and in general retaining or
supporting the approach embankment is called as
Piers Beam
Abutments Deck
14) In case of interlinking of rivers the Himalayan component consist of
links.
14 16
13 10
Q.2 Answer the following any four:-
Define aggregates.
What are mining hazards?
Define solifluction.
Define modulus of deformation
Define arc dam.
08
Write notes on. (Any Two)
Classification of aggregate depending on size.
Draw a neat diagram and explain in brief Arch bridges.
Mine gases
06
Q.3 Answer the following Any
RQD
Describe the seismic zones of India
Open pit mining
08
Answer the following Any
Restoration of mine
Describe in brief ocean bottom mining
06
Q.4 Answer the following Any
What are placer deposits? Explain the mining methods for placer deposits.
Define dams. What are the geological considerations for site selection of
dams?
What are the engineering consideration for earthquakes?
10
Answer the following any
What is rock discontinuity? Explain it in brief.
Describe the comparison between natural sand and manufactured sand.
04
Q.5 Answer the following. (Any two) 14
Describe the engineering properties of rocks.
Define mass movements. Describe various types of mass movements.
Define drilling. Explain the type of drilling.