Download GTU (Gujarat Technological University Ahmedabad) B.Tech/BE (Bachelor of Technology/ Bachelor of Engineering) 2020 Summer 4th Sem 2140601 Advanced Surveying Previous Question Paper

Seat No.: ________
Enrolment No.___________

GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER? IV EXAMINATION ? SUMMER 2020
Subject Code: 2140601 Date:27/10/2020
Time: 10:30 AM TO 01:00 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) Describe uses of Triangulation
03

(b) Derive the equation for numbers of photographs required to cover
04
area

(c) Determine gradient form point P to Q from the observation table
07
given below . The observations are taken from station O and Staff
held vertical
Inst
Staff
Bearing Vertical
station
station
Angle
O
P
1200
+90 30'
1.25 1.855 2.350
O
Q
2600
+4000'
0.995 1.770 2.680
Q.2 (a) Give classification of sensors
03

(b) Explain Types of error
04

(c) Adjust the following angles closing the horizon
07
A=82039'45'' Weight 1
B=1200 25'40'' Weight 4
C=680 14' 30'' Weight 3
D=880 11' 00'' Weight 2

OR

(c) Determine the scale of photograph for terrain laying at elevation of
07
110 m . If vertical photograph was taken at altitude of 1143 m . Take
focal length of camera 20 cm . If the ground elevation is considered
50 m what will be the scale for that ?
Q.3 (a) Give definitions of (i) Photo nadir point (ii) Swing
03

(b) Describe
indivisibility of triangulation stations
04

(c) Explain components of remote sensing
07

OR

Q.3 (a) Explain crab and drift
03

(b) Describe terms (i) Declination circle (ii) Prime vertical
04

(c) Explain principle of least square
07
Q.4 (a) Enlist remote sensing platforms.
03

(b) Give application og GIS in Civil Engineering
04

(c) Describe Global positioning system
07

OR

Q.4 (a) Enlist different signals and explain any one
03

(b) Describe spatial Information system and Non spatial Information
04
system

(c) Describe key components of GIS
07
1

Q.5 (a) Describe site selection of base line
03

(b) Describe data structure
04

(c) Derive equation for D and V when line of sight is inclined and staff
07
held vertical

OR
Q.5 (a) Give difference of Fixed hair method and movable hair method of
03
tacheometry
(b) Describe Image Interpretation techniques
04
(c) Derive equation for scale of photograph
07

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