1 (a)
Explain the term "Tacheometry". What are the applications of tacheometric survey? Mention the instruments used in tacheometric survey

4 M

1 (b)
Discuss the Stadia system of tacheometric measurements.

4 M

1 (c)
A tacheometer was set up at station A and the following readings were obtained on a vertically held staff.

The constants of instruments were 100.0 and 0.10. Find the distance of BM from A and distance AB, and also find out RL of B.

Instrument Station | Staff Station | Vertical Station | Staff Readings | Remark |

A | BM | -4° 22' | 1.050, 1.105, 1.155 | Rl of BM is |

A | B | +10° 0' | 0.955, 1.035, 1.160 | 1958.30 m |

The constants of instruments were 100.0 and 0.10. Find the distance of BM from A and distance AB, and also find out RL of B.

6 M

2 (a)
Distance between two proposed stations A and B in a triangulation is 100 km. 07
Elevation of station A is 200m while that of B is 500 m. There is two peaks C
& D between A and B at a distance 40 and 70 km from A and is having an
elevation of 160 and 265 m respectively. Ascertain whether A and B are
intervisible. If not intervisible find the minimum height of tower is required at
B, so that B is visible from A with a minimum clearance of 2.5 m above the
surface of the ground.

7 M

2 (b) (1)
Discuss uses of Triangulation survey

3 M

2 (b) (2)
Give criteria for selection of triangulation figures.

4 M

2 (c)
Differentiate between, Grid Iron and Central system of Primary triangulation.

7 M

3 (a)
Discuss the types of errors.

4 M

3 (b)
Define the terms; i) Independent Quantity, ii) Conditioned Quantity, iii) True
Value of a Quantity, iv) Direct observations, v) Indirect observations,
vi) Weight of an observation and vii) Most Probable Value.

6 M

3 (c)
The following 10 readings were taken with a level under the identical
conditions.

1.810, 1.825, 1.835, 1.805, 1.850, 1.825, 1.820, 1.840, 1.845 & 1.835 meters.

Calculate the probable error of single observation, probable error of the mean and the maximum error.

1.810, 1.825, 1.835, 1.805, 1.850, 1.825, 1.820, 1.840, 1.845 & 1.835 meters.

Calculate the probable error of single observation, probable error of the mean and the maximum error.

4 M

3 (d)
Briefly explain: How measurement with EDM instruments differs from taping?
What are the advantages of EDM measurement?

4 M

3 (e)
List different types of EDM instruments and briefly write about each one of
Them.

4 M

3 (f)
Briefly Discuss these four basic types of total stations, i) Mechanical/Manual TS, ii) Motorized TS, iii) Auto lock TS and iv) Robotic/Automatic TS.

6 M

4 (a)
Define the terms: i) Vertical photograph, ii) Tilted photograph and iii) Oblique photograph.

3 M

4 (b)
Discuss in detail, Flight planning for aerial photogrammetry.

6 M

4 (c)
To determine the average scale of an aerial photograph, three points A, B and
C were selected. Their elevations were obtained from a contoured map as
1400m, 900m, and 1100m. If the flying height of the aircraft above mean sea
level is 3500 m and the focal length of the camera lens is 160 mm, calculate the
average scale of the aerial photograph.

5 M

4 (d)
Two points A and B which appear in a vertical photograph taken from a
camera having focal length of 220 mm and from an altitude of 2800 m, have
their elevations as 400 m and 600 m, respectively. Their corrected photo
coordinates are as under:

Determine the length of the ground line AB.

Point | Photo coordinates | |

x (mm) | y (mm) | |

a | +23.8 | +16.4 |

b | -13.6 | -29.7 |

Determine the length of the ground line AB.

6 M

4 (e)
Discuss: How Terrestrial Latitudes and Longitudes are determined.

4 M

4 (f)
Write short note on, Spherical triangle and Spherical excess.

4 M

5 (a)
Define Remote sensing and discuss types of remote sensing.

3 M

5 (b)
Discuss, Interaction of electromagnetic radiation with earth surface.

4 M

5 (c)
Discuss; spatial, spectral, radiometric and temporal resolutions of remote
sensing. Briefly discus various operations involved in digital image processing
for remote sensing.

7 M

5 (d)
Discuss various receiver types used for GPS positioning.

4 M

5 (e)
Define GIS and give its key components.

4 M

5 (f)
Discuss integration of remote sensing and GIS and explain use of RS & GIS
data in preparation of Land use/ Land cover map.

6 M

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