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Engineering Geology Question Paper - May 18 - Civil Engineering (Semester 3) - Mumbai University (MU)
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Engineering Geology - May 18
Civil Engineering (Semester 3)
Total marks: 80
Total time: 3 Hours
INSTRUCTIONS
(1) Question 1 is compulsory.
(2) Attempt any three from the remaining questions.
(3) Draw neat diagrams wherever necessary.
1(a)
Define the following terms:
(5 marks)
i) Volcanic rock 476
ii) Cheveron fold. 457
iii) Solifluction. 467
iv) Juvenile water. 471
v) Disconformity. 466
1(b)
Answer the following.
(5 marks)
i) Differentiate volcanic tuff and volcanic bomb. 477
ii) What do you mean by plunge of a fold? 451
iii) Name two minerals which show pearly lustre 3226
iv) Name the mineral which is bluish in color with bladed form. 3226
v) Name the mineral which shows fibrous form and splintery fracture. 3226
1(c)
Draw labelled diagram of the following:
(10 marks)
00
i) Parts of gravity dam 463
ii) Angular uncomformity 466
iii) Horst and graben 449
Iv) Crag and tail 449
v) Perched water table 449
2(a)
Write short note on Plate tectonic theory.
(5 marks)
474
2(b)
Describe various types of joints found in igneous rocks.
(5 marks)
446
2(c)
What are the controlling factors for landslide?
(5 marks)
473
2(d)
What do you mean by aquifer? Explain different types of aquifer.
(5 marks)
468
3(a)
Explain the erosional and depositional features of wind.
(10 marks)
438
3(b)
Explain the terminology of fold with suitable diagram.
(5 marks)
451
3(c)
Give a brief account on mechanical weathering.
(5 marks)
437
439
4(a)
Enumerate the structures of sedimentary rocks.
(10 marks)
143
445
4(b)
Explain different types of faults with suitable diagram.
(5 marks)
450
4(c)
What is order of superposition? Mention economic importance of Deccan trap.
(5 marks)
455
5(a)
What are the different types of geological investigation? Explain a direct method
of subsurface investigation.
(10 marks)
461
5(b)
Describe various geological consideration for site selection of tunnel.
(5 marks)
464
5(c)
On a horizontal tunnel a bed of sandstone dips 30 degree eastwards. Its true
thickness is 200m. Determine its vertical thickness and width of outcrop in the
tunnel.
(5 marks)
00
Q6) Write short notes on (any five)
6(a)
Central eruption and fissure type eruption.
(4 marks)
477
6(b)
Concordant and discordant type of igneous intrusion.
(4 marks)
443
6(c)
Porphyritic and Poikilitic texture
(4 marks)
447
6(d)
Cross bedding and graded bedding.
(4 marks)
444
6(e)
Isoclinal fold and overturned fold.
(4 marks)
453
6(f)
Diamond drilling and calyx drilling.
(4 marks)
465
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