STUPIDSID
1 (a)
What are the purposes of tacheometic surveying?
3 M
1 (b)
Explain stadia method of tacheometer.
4 M
1 (c)
The following observations were made using a tacheometer fitted with an anallatic lens, the multiplying constant being 100 and additive constant is 0 and the staff held vertically
Calculate the distance AB and the RLs of A and B. Find also the gradient of the line AB.
| Inst. Station | Height Of Inst. | Staff Station | WCB | Vertical angle | Hair readings | Remark |
| 0 | 1.550 | A | 30° 30' | 4° 30' | 1.155, 1.755, 2.355 | RL of O = 150.00 |
| B | 75° 30' | 10° 15' | 1.250, 2.000, 2.750 |
Calculate the distance AB and the RLs of A and B. Find also the gradient of the line AB.
7 M
2 (a)
What is triangulation? Explain principle of triangulation.
7 M
2 (b)
Explain with sketches different triangulation figures.
7 M
2 (c)
What is satellite station? Discuss the method of reduction of horizontal angle to
Center.
7 M
3 (a)
Define: Direct observation, conditioned quantity, true valve, true error, most
probable error, residual error, and observed equation.
7 M
3 (b)
Two triangulation stations A and B are 50 kilometer apart and have elevations
235 m and 250 m respectively. Find the minimum height of signal required at B so
that the line of sight may not pass near the ground 3 meters. The intervening
ground may be assumed to have uniform elevation of 200 meters.
7 M
3 (c)
What is weight of a quantity? Discuss various laws of weights.
7 M
3 (d)
Adjust the following angles closing the horizon:
A=112° 20' 47'' wt.2
B=90° 30' 15'' wt. 3
C=58° 12' 05'' wt. 1
D= 98° 57'01'' wt. 4
A=112° 20' 47'' wt.2
B=90° 30' 15'' wt. 3
C=58° 12' 05'' wt. 1
D= 98° 57'01'' wt. 4
7 M
4 (a)
Define: Zenith, nadir, horizon, prime vertical, celestial poles, vertical circle, and
Ecliptic.
7 M
4 (b)
Prove that altitude of pole is equal to latitude of observer.
7 M
4 (c)
Explain the scale of vertical photographs.
7 M
4 (d)
Calculate height of microwave tower appearing in a vertical photograph. The
distance of the tower in photograph from principal point is 6.03 cm and relief displacement measured is 0.603 cm. the datum scale of photo is 111000 and the focal distance of camera f = 20 cm.
7 M
5 (a)
Explain components of remote sensing.
7 M
5 (b)
Explain the interaction of EM energy with earth surface features.
7 M
5 (c)
Define GIS. Explain the objectives of GIS.
7 M
5 (d)
Discuss the application of GIS in civil engineering discipline.
7 M
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