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

FirstRanker.com

GUJARAT TECHNOLOGICAL UNIVERSITY
SEMESTER-IV(NEW) - EXAMINATION - SUMMER 2019

--- Content provided by⁠ FirstRanker.com ---

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.

--- Content provided by⁠ FirstRanker.com ---

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 tacheometer 04

--- Content provided by​ FirstRanker.com ---

(c) Which error is removed by taking face left and faces right 07
reading in theodolite? Derive the distance and elevation
formulae used in tacheometry for staff held vertical and line
of sight horizontal.

Q.2 (a) What are analytic lens? Why these lenses are fitted in the 03

--- Content provided by​ FirstRanker.com ---

tacheometer
(b) Define (i) Principal point (ii) Nadir (iii) Zenith (iv) Overlap 04
(c) What are different types of triangulation systems? Describe 07
the criteria for selection of triangulation stations.

OR

--- Content provided by⁠ FirstRanker.com ---

(c) What is photo theodolite? Determine number of 07
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.

--- Content provided by​ FirstRanker.com ---

Q.3 (a) Define (i) vertical circle (ii) celestial horizon (iii) terrestrial 03
equator
(b) What is importance of base line? How is it extended? 04
(c) Compute the horizontal distance PA and RL of point A 07
for staff held vertically for below observations taken by

--- Content provided by‌ FirstRanker.com ---

tacheometer. BM=50m , K=100 and C=0

Inst. Staff Vertical Staff
Station point angle readings

P BM -4° 1.460, 1.915, 2.570
A +5° 1.200, 1.885, 2.840

--- Content provided by⁠ FirstRanker.com ---

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 07

Angle Weight Angle Weight Angle Weight

--- Content provided by​ FirstRanker.com ---

60°40°20” 2 60°40° 18" 2 60°40° 19" 3

Calculate(i) Probable error for single measurement for unit
weight (i) Probable error for single observation of weight 3
(iii) Probable error of weighted arithmetic mean

Q.4 (a) Differentiate systematic errors and accidental errors 03

--- Content provided by‌ FirstRanker.com ---

(b) Differentiate (1) Luminous and non-luminous signals (ii) 04
Cumulative errors and random errors
(c) What is the principle of least square? Prove it 07
mathematically

FirstRanker.com

--- Content provided by⁠ FirstRanker.com ---

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 07
with earth surface features.

Q.5 (a) Give the classification of sensors 03

--- Content provided by‌ FirstRanker.com ---

(b) State the application of GIS and GPS in civil engineering 04
(c) Compare different elements of visual image interpretation 07
and manual image interpretation

OR

Q.5 (a) Define GPS and explain the working principle of GPS. 03

--- Content provided by FirstRanker.com ---

(b) How total station is different from theodolite? Give salient 04
features of total station.
(c) List out different GIS software currently used and discuss 07
all components of GIS.

FirstRanker.com

--- Content provided by​ FirstRanker.com ---