MU Civil Engineering (Semester 3)
Engineering Geology
December 2015
Total marks: --
Total time: --
(1) Assume appropriate data and state your reasons
(2) Marks are given to the right of every question
(3) Draw neat diagrams wherever necessary

1 (a) Explain the following terms in short
i) Sial and Sima
ii) Tulus slope
iii) Geological slope
iv) Loess
v) Rock forming minerals
vi) Intrusive igneous rocks
vii) Geological structures
viii) Order of superposition
ix) Core loss
x) Sources of groundwater.
10 M
1 (b) Name the following:
i) Two minerals have chemical composition C.
Two minerals show Lameller form.
iii) Mineral has purple colour and absence of cleavage
iv) Two minerals have high specific gravity.
v) Two minerals feel soapy
5 M
1 (c) Name the structure of the rock with example.
i) The rock shows parallel alternate arrangement of equidimentional minerals and planty minerals:
ii) The rock shows amygdals.
iii) The rock shows three sets of Joints.
iv) The rock show layered structure where thickness of the bed is less than one cm.
v) The rock/deposit shows spherical grains whose dimension upto 2mm.
5 M

2 (a) Describe various products of volcanoes.
5 M
2 (b) Describe various precautionary measures during construction in line earthquake prone areas.
5 M
2 (c) Explain the geological action of river with various landforms.
10 M

3 (a) Write different texture of igneous rock with examples.
10 M
3 (b) Which geological structures are suitable and unsuitable for tunnel construction.
10 M

4 (a) Explain physiographic divisions of India with economic importance.
5 M
4 (b) How is unconformity formed? Explain Disconformity.
5 M
4 (c) State the importance of geological investigation. What is core logging and RQD?
5 M
4 (d) Explain different types of spring.
5 M

5 (a) What are the parts of faults?
4 M
5 (b) Explain the geological and engineering properties of building stones. State the use of building stories with examples.
8 M
5 (c) Describe the different types of landslide. Give recent examples.
8 M

Write short notes on (any four):
6 (a) Pedestal rock
5 M
6 (b) Glacial valley and hanging valley
5 M
6 (c) Overturned fold and fan fold
5 M
6 (d) Dome and basin
5 M
6 (e) Ripple marks and cross bedding
5 M
6 (f) Cone of depression
5 M
6 (g) Gravity fault and reverse fault
5 M
6 (h) Thermal metamorphism
5 M
6 (i) Physical weathering with examples
5 M
6 (j) Whale back form and drumlins.
5 M

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