Download GTU BE/B.Tech 2019 Summer 4th Sem New 2140601 Advanced Surveying Question Paper

Download GTU (Gujarat Technological University) BE/BTech (Bachelor of Engineering / Bachelor of Technology) 2019 Summer 4th Sem New 2140601 Advanced Surveying Previous Question Paper

1
Seat No.: ________ Enrolment No.___________
GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER ?IV(NEW) ? EXAMINATION ? SUMMER 2019
Subject Code:2140601 Date:17/05/2019
Subject Name: Advanced Surveying
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) Describe with examples any three laws of weight 03
(b) Explain the functions of main parts of techeometer 04
(c) Which error is removed by taking face left and faces right
reading in theodolite? Derive the distance and elevation
formulae used in techeometry for staff held vertical and line
of sight horizontal.
07

Q.2 (a) What are analytic lens? Why these lenses are fitted in the
techeometer
03
(b) Define (i) Principal point (ii) Nadir (iii) Zenith (iv) Overlap 04
(c) What are different types of triangulation systems? Describe
the criteria for selection of triangulation stations.
07
OR
(c) What is photo theodolite? Determine number of
photographs required to cover an area of 120 sq. km if
longitudinal lap is 60% and side lap is 30%. Scale of an
aerial photograph is 1 cm= 100 m and photograph size is 20
cm x 20 cm.
07
Q.3 (a) Define (i) vertical circle (ii) celestial horizon (iii) terrestrial
equator
03
(b) What is importance of base line? How is it extended? 04
(c) Compute the horizontal distance PA and RL of point A
for staff held vertically for below observations taken by
techeometer.BM=50 m , K=100 and C=0
Inst. Staff Vertical Staff
Station point angle readings
P BM -4
o
1.460, 1.915, 2.570
A +5
o
1.200, 1.885, 2.840
07
OR
Q.3 (a) Define (i) Drift (ii) Azimuth (iii) Isocenter 03
(b) What is scale of photograph? Derive the equation for it 04
(c) Following readings are taken by theodolite
Angle Weight Angle Weight Angle Weight
60
o
40? 20? 2 60
o
40? 18? 2 60
o
40? 19? 3
Calculate(i) Probable error for single measurement for unit
weight (ii) Probable error for single observation of weight 3
(iii) Probable error of weighted arithmetic mean
07
Q.4 (a) Differentiate systematic errors and accidental errors 03
(b) Differentiate (i) Luminous and non- luminous signals (ii)
Cumulative errors and random errors
04
(c) What is the principle of least square? Prove it
mathematically
07
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1
Seat No.: ________ Enrolment No.___________
GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER ?IV(NEW) ? EXAMINATION ? SUMMER 2019
Subject Code:2140601 Date:17/05/2019
Subject Name: Advanced Surveying
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) Describe with examples any three laws of weight 03
(b) Explain the functions of main parts of techeometer 04
(c) Which error is removed by taking face left and faces right
reading in theodolite? Derive the distance and elevation
formulae used in techeometry for staff held vertical and line
of sight horizontal.
07

Q.2 (a) What are analytic lens? Why these lenses are fitted in the
techeometer
03
(b) Define (i) Principal point (ii) Nadir (iii) Zenith (iv) Overlap 04
(c) What are different types of triangulation systems? Describe
the criteria for selection of triangulation stations.
07
OR
(c) What is photo theodolite? Determine number of
photographs required to cover an area of 120 sq. km if
longitudinal lap is 60% and side lap is 30%. Scale of an
aerial photograph is 1 cm= 100 m and photograph size is 20
cm x 20 cm.
07
Q.3 (a) Define (i) vertical circle (ii) celestial horizon (iii) terrestrial
equator
03
(b) What is importance of base line? How is it extended? 04
(c) Compute the horizontal distance PA and RL of point A
for staff held vertically for below observations taken by
techeometer.BM=50 m , K=100 and C=0
Inst. Staff Vertical Staff
Station point angle readings
P BM -4
o
1.460, 1.915, 2.570
A +5
o
1.200, 1.885, 2.840
07
OR
Q.3 (a) Define (i) Drift (ii) Azimuth (iii) Isocenter 03
(b) What is scale of photograph? Derive the equation for it 04
(c) Following readings are taken by theodolite
Angle Weight Angle Weight Angle Weight
60
o
40? 20? 2 60
o
40? 18? 2 60
o
40? 19? 3
Calculate(i) Probable error for single measurement for unit
weight (ii) Probable error for single observation of weight 3
(iii) Probable error of weighted arithmetic mean
07
Q.4 (a) Differentiate systematic errors and accidental errors 03
(b) Differentiate (i) Luminous and non- luminous signals (ii)
Cumulative errors and random errors
04
(c) What is the principle of least square? Prove it
mathematically
07
2
OR
Q.4 (a) Derive equation for scale of vertical photograph 03
(b) Describe briefly main types of EDM instruments 04
(c) What is remote sensing? Describe the energy interaction
with earth surface features.
07
Q.5 (a) Give the classification of sensors 03
(b) State the application of GIS and GPS in civil engineering 04
(c) Compare different elements of visual image interpretation
and mannual image interpretation
07
OR
Q.5 (a) Define GPS and explain the working principle of GPS. 03
(b) How total station is different from theodolite? Give salient
features of total station.
04
(c) List out different GIS software currently used and discuss
all components of GIS.
07

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