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DR. BABASAHEB AMBEDKAR TECHNOLOGICAL UNIVERSITY, LONERE
Mid Semester Examination - Oct 2018
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Course: S.Y. B. Tech in Civil Engg (I) Sem: III
Subject Name: Surveying-II Subject Code: CV402
Max Marks: 20 Date:- 12-3-19
Duration:-1 Hr.
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Instructions to the Students:
1. Figures to the right indicate Full marks
2. Assume suitable data wherever necessary
| (Level/CO) | Level | Marks | ||
|---|---|---|---|---|
| Q.1 | CO3 | C1 | 6 | |
| 1. The point on the celestial sphere vertically below the observer's position is called. | ||||
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| a) Nadir. b) Pole c) Zenith d) Celestial point. | ||||
| CO3 | C2 | |||
| 2. While making astronomical observations, the observer is mainly concerned with | ||||
| a) All b) The directions of the poles of the celestial sphere | ||||
| c) The direction of the star from the instrument d) The direction of vertical axis of instrument. | ||||
| CO1 | C2 | |||
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| 3. Which of the following is an independent quantity | ||||
| a) Side of a triangle b) Sum of included angles c) R.L of B.M d) R.L of a point | ||||
| CO1 | C2 | |||
| 4. The equation which is obtained by multiplying each equation by the coefficient of its un-knowns and by adding the equations thus formed, is known as | ||||
| a) None of these b) Normal equation c) Conditional equation d) Observation equation. | ||||
| CO1 | C1 | |||
| 5. For mapping any country | ||||
| a) Geodetic triangulation of greatest possible sides and accuracy is carried out | ||||
| b) Primary triangles are broken down into secondary triangles of less accuracy | ||||
| c) All | ||||
| d) Secondary triangles are further broken into third and fourth order triangles, the points of which are used for detail survey. | ||||
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| CO5 | C2 | |||
| 6. A total station is a combination of: | ||||
| a) EDM and Theodolite b) Compass and EDM c) Electronic theodolite and EDM d) EDM and electronic compass. | ||||
| Q.2 | Solve Any Two of the following. | 3X2 | ||
| CO1 | C1 | |||
| (A) What are the different corrections that may have to be applied to base line measurement? | ||||
| CO1 | C1 | |||
| (B) Give the classification of a triangulation system | ||||
| CO3 | C2 | |||
| (C) What are the applications of field astronomy | ||||
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| 2.3 | Solve Any One of the following. | 8 | ||
| CO2 | C3 | |||
| (A) The following observations were taken using a tacheometer fitted with anallatic lens, the staff being held vertically. | ||||
| Inst. Station | Height of Axis | Staff station | Vertical Angle | Hair readings |
| P | 1.45 | BM | -6°12' | 0.98 1.54 2.10 |
| P | 1.45 | Q | 7°5' | 0.83 1.36 1.89 |
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| Q | 1.57 | R | 12°21' | 1.89 2.48 3.07 |
| Determine the distances PQ and QR, and the RLs of P, Q and R. | ||||
| (B) Find the most probable values of the angles A and B from the following observations at station 'O' | ||||
| A = 49°48'36.6" Weight=2 | ||||
| B = 54°37'48.3" Weight=3 | ||||
| A+B = 104°26'28.5" Weight=4 | ||||
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