Download GTU (Gujarat Technological University) BE/BTech (Bachelor of Engineering / Bachelor of Technology) 2019 Summer 3rd Sem New 2130606 Geotechnics And Applied Geology Previous Question Paper
Seat No.: ________ Enrolment No.___________
GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER ?III (NEW) EXAMINATION ? SUMMER 2019
Subject Code: 2130606 Date: 18/06/2019
Subject Name:Geotechnics & Applied Geology
Time: 02:30 PM TO 05:00 PM Total Marks: 70
Instructions:
1. Attempt all questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.
MARKS
Q.1 (a) Discuss briefly the scope of Geotechnical engineering in relation to
Civil Engineering.
03
(b) Define moisture content in soil. Draw phase diagram for fully saturated
soil, partially saturated soil and fully dry soil, with all notations
04
(c) What is an earthquake? What are the causes of earthquakes? Describe
in brief.
the types of earthquake waves.
07
Q.2 (a) Enlist types of soil water. Explain any two in short. 03
(b) Write short note on honey comb structure and flocculated structure
with neat diagrams.
04
(c) Define liquid limit of clay. How to obtain liquid limit of clay in
laboratory?
07
OR
(c) Write step by step procedure of sieve analysis test for obtaining particle
size distribution curve of soil.
07
Q.3 (a) What is flow net? What are the characteristics of flow net? 03
(b) Explain different consistency limits and soil states with respect to
volume and water content using neat sketch.
04
(c) Discuss the different factors affecting permeability of soil, in detail. 07
OR
Q.3 (a) Define Darcy?s law. Explain its validity. 03
(b) Enlist the limitations of sedimentation analysis. 04
(c) A horizontal stratified deposit of 3 layers of soil consists of thickness
& permeability as; Top layer (3 m thick) is 3 x 10
-3
cm/s middle layer
(2 m thick) is 6.5 x 10
-2
cm/s and bottom layer (4 m thick) is 7 x 10
-4
cm/s. Find the equivalent permeability in horizontal and vertical
direction.
07
Q.4 (a) Define and explain the process of chemical weathering. 03
(b) Write short note on rock cycle. 04
(c) Describe geology. Explain applications of geology in Civil
Engineering.
07
OR
Q.4 (a) Explain the terms: evaporation and transpiration 03
(b) What do you understand by the term liquifaction? 04
(c) Explain plate boundaries. Briefly explain types of plate boundaries
with neat sketches.
07
Q.5 (a) Define aquifer, aquitard and aquiclude. 03
(b) Distinguish between the following;
(i) Normal faults and Reverse faults; (ii) Dip and Strike.
04
(c) What is remote sensing? Explain the application of remote sensing in
engineering geology.
07
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1
Seat No.: ________ Enrolment No.___________
GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER ?III (NEW) EXAMINATION ? SUMMER 2019
Subject Code: 2130606 Date: 18/06/2019
Subject Name:Geotechnics & Applied Geology
Time: 02:30 PM TO 05:00 PM Total Marks: 70
Instructions:
1. Attempt all questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.
MARKS
Q.1 (a) Discuss briefly the scope of Geotechnical engineering in relation to
Civil Engineering.
03
(b) Define moisture content in soil. Draw phase diagram for fully saturated
soil, partially saturated soil and fully dry soil, with all notations
04
(c) What is an earthquake? What are the causes of earthquakes? Describe
in brief.
the types of earthquake waves.
07
Q.2 (a) Enlist types of soil water. Explain any two in short. 03
(b) Write short note on honey comb structure and flocculated structure
with neat diagrams.
04
(c) Define liquid limit of clay. How to obtain liquid limit of clay in
laboratory?
07
OR
(c) Write step by step procedure of sieve analysis test for obtaining particle
size distribution curve of soil.
07
Q.3 (a) What is flow net? What are the characteristics of flow net? 03
(b) Explain different consistency limits and soil states with respect to
volume and water content using neat sketch.
04
(c) Discuss the different factors affecting permeability of soil, in detail. 07
OR
Q.3 (a) Define Darcy?s law. Explain its validity. 03
(b) Enlist the limitations of sedimentation analysis. 04
(c) A horizontal stratified deposit of 3 layers of soil consists of thickness
& permeability as; Top layer (3 m thick) is 3 x 10
-3
cm/s middle layer
(2 m thick) is 6.5 x 10
-2
cm/s and bottom layer (4 m thick) is 7 x 10
-4
cm/s. Find the equivalent permeability in horizontal and vertical
direction.
07
Q.4 (a) Define and explain the process of chemical weathering. 03
(b) Write short note on rock cycle. 04
(c) Describe geology. Explain applications of geology in Civil
Engineering.
07
OR
Q.4 (a) Explain the terms: evaporation and transpiration 03
(b) What do you understand by the term liquifaction? 04
(c) Explain plate boundaries. Briefly explain types of plate boundaries
with neat sketches.
07
Q.5 (a) Define aquifer, aquitard and aquiclude. 03
(b) Distinguish between the following;
(i) Normal faults and Reverse faults; (ii) Dip and Strike.
04
(c) What is remote sensing? Explain the application of remote sensing in
engineering geology.
07
2
OR
Q.5 (a) What are the laws of stratigraphy? 03
(b) Describe landslide. Which factors are responsible for landslides? 04
(c) What are faults? How they are classified? Illustrate with neat and
suitable diagram.
07
*************
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This post was last modified on 20 February 2020