Download GTU (Gujarat Technological University) BE/BTech (Bachelor of Engineering / Bachelor of Technology) 2019 Winter 3rd Sem New 2134003 Geomatics Engineering Previous Question Paper
Seat No.: ________ Enrolment No.___________
GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER ? III (New) EXAMINATION ? WINTER 2019
Subject Code: 2134003 Date: 3/12/2019
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) What is balancing of traverse? Enlist methods of same. 03
(b) Figure out the R.L. of the top of a chimney from following data.
Instrument
Station
Reading
on B.M.
Angle of
Elevation
Remarks
A 0.765 15
o
47? R.L. of BM = 750.000 m
B 2.117 07
0
30? Distance AB = 50 m
04
(c) What do you understand by Tangential method of Tacheometry?
Derive formulae of horizontal distance (D) and Elevation (V) for
three cases of Tangential method.
07
Q.2 (a) What is called face left and face right related to theodolite? 03
(b) Write short notes on the Well conditioned triangle . 03
(c) Find out the R.L. of stations P & Q. Also find the elevation
difference between both the stations and gradient of line PQ from
the data given below. Take K = 100, C = 0.3 for tacheometry
survey.
Instrument
at
Staff
Station
Vertical
Angle
Stadia Readings
A P + 2
0
39? 1.455, 2.695, 4.035
Q - 1
0
30? 2.685, 3.360, 4.035
08
OR
(c) Prepare Gale?s Traverse Table to adjust closing error of clockwise
traverse for following data
Line AB BC CD
Length (m) 232 212 174
WCB 100
0
250
0
342
0
08
Q.3 (a) Explain method of repetition for measurement of angles in
theodolite survey.
03
(b) What are the temporary adjustments of a theodolite? Explain in
brief.
04
(c) How would you set out a 6m x 7.5m room in a 10m x 8m size plot?
Explain with sketch.
07
OR
Q.3 (a) What are the capabilities of a Total Station? Enlist them. 03
(b) How is the closing error of a traverse adjusted graphically?
04
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1
Seat No.: ________ Enrolment No.___________
GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER ? III (New) EXAMINATION ? WINTER 2019
Subject Code: 2134003 Date: 3/12/2019
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) What is balancing of traverse? Enlist methods of same. 03
(b) Figure out the R.L. of the top of a chimney from following data.
Instrument
Station
Reading
on B.M.
Angle of
Elevation
Remarks
A 0.765 15
o
47? R.L. of BM = 750.000 m
B 2.117 07
0
30? Distance AB = 50 m
04
(c) What do you understand by Tangential method of Tacheometry?
Derive formulae of horizontal distance (D) and Elevation (V) for
three cases of Tangential method.
07
Q.2 (a) What is called face left and face right related to theodolite? 03
(b) Write short notes on the Well conditioned triangle . 03
(c) Find out the R.L. of stations P & Q. Also find the elevation
difference between both the stations and gradient of line PQ from
the data given below. Take K = 100, C = 0.3 for tacheometry
survey.
Instrument
at
Staff
Station
Vertical
Angle
Stadia Readings
A P + 2
0
39? 1.455, 2.695, 4.035
Q - 1
0
30? 2.685, 3.360, 4.035
08
OR
(c) Prepare Gale?s Traverse Table to adjust closing error of clockwise
traverse for following data
Line AB BC CD
Length (m) 232 212 174
WCB 100
0
250
0
342
0
08
Q.3 (a) Explain method of repetition for measurement of angles in
theodolite survey.
03
(b) What are the temporary adjustments of a theodolite? Explain in
brief.
04
(c) How would you set out a 6m x 7.5m room in a 10m x 8m size plot?
Explain with sketch.
07
OR
Q.3 (a) What are the capabilities of a Total Station? Enlist them. 03
(b) How is the closing error of a traverse adjusted graphically?
04
2
(c) Find out the magnitude and direction of closing error (if any) for
the observations given in following table of Traverse Survey.
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.4 (a) What do you understand by EDM? 03
(b) Explain with sketch, the working of Drone survey. 05
(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 100.1 and .08. What would by the percentage
error in the horizontal distance computed?
06
OR
Q.4 (a) Determine the horizontal distance between theodolite station and
6m long horizontal substance bar perpendicular to line of sight
when the included angle is 53?.
03
(b) What is basic principle of stadia? Derive the formula of distance
measurement (Fixed hair stadia method) with horizontal line of
sight.
04
(c) Explain with sketch Systems of Triangulations. 07
Q.5 (a) Define and explain working principle of EDM. 03
(b) Derive the formulas for finding the Distance and Elevation of an
inaccessible object by Trigonometric levelling when instrument
stations are not in the same plane.
05
(c) Define following terms
a) Plunging b) Swinging c) Strength of figure d) Satellite station
e) First order triangulation f) Reduction of centre
06
OR
Q.5 (a) Briefly discuss the significance and types of ?Trigonometric
Levelling?.
03
(b) Derive the formulas for finding the Distance and Elevation of an
inaccessible object by Trigonometric levelling when instrument
stations are in the same plane.
05
(c) Find the area of the closed traverse by coordinate method for the
following data:
Line Northing Southing Easting Westing
OP 160.60 152.80
PQ 211.50 50.50
QR 188.90 92.4
RO 230.30 109
06
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This post was last modified on 20 February 2020