Download GTU (Gujarat Technological University) BE/BTech (Bachelor of Engineering / Bachelor of Technology) 2019 Winter 3rd Sem New 3134003 Geomatics Engineering Previous Question Paper
Seat No.: ________ Enrolment No.___________
GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER ? III (New) EXAMINATION ? WINTER 2019
Subject Code: 3134003 Date: 28/11/2019
Subject Name: Geomatics Engineering
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) Enlist the methods for the measurement of horizontal angle with
theodolite? Explain any one with sketch.
03
(b) Discuss with necessary sketch, the various methods of orientation
of plane table.
04
(c) A traverse survey was done near NH48 at Gandhinagar.
Observations are given in below table. Was it free from closing
error? If not, find the magnitude & direction of the closing error.
Line OP PQ QR RO
Length
(m)
314.8 361.6 471.8 407
Bearing 81
0
24
?
149
0
49
?
252
0
52
?
359
0
59
?
07
Q.2 (a) If a curve is designated as a 4
0
curve on a 30m arc, find the tangent
distance, length of long chord, length of arc, apex distance, and
mid-ordinate if the deflection angle is 36
0
.
03
(b) Explain with sketch the Two point problem in Plane Table
Surveying.
04
(c) Four angles are measured at a station closing the horizon. The
values of the angles are
A= 102
0
45?51? (weight = 3),
B = 85
0
42?37? (weight = 2),
C = 108
0
36?47? (weight = 4), and
D= 62
0
51?50? (weight = 1).
Find the probable values of these angles.
07
OR
(c) Due to some problems with the equipment, the bearings of two
sides were not taken for a closed traverse ABCDA. From the
available data, compute the bearings of two sides.
Line AB BC CD DE EA
Length
(m)
230.5 250.2 210.8 240.3 265.4
Bearing N36
0
45
?
E S82
0
48
?
E S10
0
15
?
E Missing Missing
07
Q.3 (a) Write a short note on Most Probable Value. 03
(b) Briefly explain: Well-conditioned triangle, Eccentric station,
Satellite station, Plunging of theodolite
04
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1
Seat No.: ________ Enrolment No.___________
GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER ? III (New) EXAMINATION ? WINTER 2019
Subject Code: 3134003 Date: 28/11/2019
Subject Name: Geomatics Engineering
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) Enlist the methods for the measurement of horizontal angle with
theodolite? Explain any one with sketch.
03
(b) Discuss with necessary sketch, the various methods of orientation
of plane table.
04
(c) A traverse survey was done near NH48 at Gandhinagar.
Observations are given in below table. Was it free from closing
error? If not, find the magnitude & direction of the closing error.
Line OP PQ QR RO
Length
(m)
314.8 361.6 471.8 407
Bearing 81
0
24
?
149
0
49
?
252
0
52
?
359
0
59
?
07
Q.2 (a) If a curve is designated as a 4
0
curve on a 30m arc, find the tangent
distance, length of long chord, length of arc, apex distance, and
mid-ordinate if the deflection angle is 36
0
.
03
(b) Explain with sketch the Two point problem in Plane Table
Surveying.
04
(c) Four angles are measured at a station closing the horizon. The
values of the angles are
A= 102
0
45?51? (weight = 3),
B = 85
0
42?37? (weight = 2),
C = 108
0
36?47? (weight = 4), and
D= 62
0
51?50? (weight = 1).
Find the probable values of these angles.
07
OR
(c) Due to some problems with the equipment, the bearings of two
sides were not taken for a closed traverse ABCDA. From the
available data, compute the bearings of two sides.
Line AB BC CD DE EA
Length
(m)
230.5 250.2 210.8 240.3 265.4
Bearing N36
0
45
?
E S82
0
48
?
E S10
0
15
?
E Missing Missing
07
Q.3 (a) Write a short note on Most Probable Value. 03
(b) Briefly explain: Well-conditioned triangle, Eccentric station,
Satellite station, Plunging of theodolite
04
2
(c) Points P and Q have elevations of 600 m and 300 m respectively.
The photographic coordinates of points P and Q were measured as
P (35, 25) and Q (20, 50) in millimeters. The photograph was taken
with a camera having a focal length of 210 mm and from an
altitude of 2500m. Find the length of line PQ.
07
OR
Q.3 (a) Write a short note on Lunar Tides. 03
(b) What do you understand bt ?Hydrographic Sueveying?? Also give
its application in various areas of civil engineering.
04
(c) It was required to determine the distance between two points A
and B by tacheometer fitted with anallatic lens (K=100, C=0) with
the instrument at A and staff at B, the observations made were at
vertical angle +9?46? and staff intercepts of 1.915 m. What is the
horizontal distance AB? Later on it was found that the constants
of intrument were 97.97 and .05. What would by the percentage
error in the horizontal distance computed?
07
Q.4 (a) What is Tilt and Drift in Aerial photogrametry? Explain with
sketch.
03
(b) Explain components of total station with neat sketch. 04
(c) Write short notes on the following:
i) Lead line ii) Sounding machine
07
OR
Q.4 (a) What do you understand by ?Remote Sensing?? Differentiate
between active and passive remote sensing.
03
(b) Two stations A and B are 72km apart. The elevation of the station
A and B are 372m and 418m, respectively. The intervening ground
has a uniform elevation of 328m. The line of sight is 3m above the
ground. At what distance the line of sight from A will strike the
ground? What would be the height of the signal on B?
04
(c) Explain with sketch various systems of Triangulation. 07
Q.5 (a) Define and explain working principle of EDM. 03
(b) What do you understand by ?Horizontal substance method??
Derive the expression for horizontal distance.
04
(c) Explain with sketch the method of setting out of a circular curve
by Offsets or Ordinates from the long chord.
07
OR
Q.5 (a) What is LIDAR? Explain its application in detail. 03
(b) The horizontal distance between two stations P and Q is 8254m.
The following data was recorded:
Vertical angle from P to Q = -54?34?, vertical angle from Q to
P = -1
0
23?34?, Height of instrument at P = 1.25m, height of
instrument at Q = 1.32m, height of signal at P = 3.54m, height of
signal at Q = 4.56m. Find the difference in level between the two
stations.
04
(c) Explain with sketch. How would you set out a foundation plan of
5m x 6.5m room in a 10m x 8m size plot? Assume brick masonry
wall of 0.3m thickness.
07
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This post was last modified on 20 February 2020