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- Question
Triangulation surveys are carried out for locating
Options- A. control points for surveys of large areas
- B. control points for photogrammetric surveys
- C. engineering works, i.e. terminal points of long tunnels, bridge abutments, etc.
- D. all the above.
- Correct Answer
- all the above.
- 1. The necessary geometrical condition for triangulation adjustment, is :
Options- A. The sum of the angles around a station should be 360°
- B. The sum of the three angles of a plane triangle should be 180°
- C. The sum of the eight angles of a braced quadrilateral should be 360°
- D. All the above. Discuss
- 2. Latitude of a place is the angular distance from
Options- A. Greenwich to the place
- B. equator to the poles
- C. equator to the nearer pole
- D. equator to the nearer pole along the meridian of the place
- E. none of these. Discuss
- 3. If ? and ? be the latitude of an observer and declination of a heavenly body respectively, the upper culmination of the body will be south of zenith if its zenith distance, is
Options- A. ? - ?
- B. ? - ?
- C. ? + ?
- D.
(? - ?).
Discuss
- 4. At western elongation, the pole star moves
Options- A. eastward
- B. westward
- C. northward
- D. southward. Discuss
- 5. In a tropical year, the number of sidereal days are
Options- A. one less than mean solar days
- B. one more than mean solar days
- C. equal to mean solar days
- D. none of these. Discuss
- 6. International date line is located along
Options- A. standard meridian
- B. Greenwich meridian
- C. equator
- D. 180° longitude
- E. none of these. Discuss
- 7. Accidental errors
Options- A. do not follow any definite mathematical law
- B. cannot be removed by applying corrections to the observed values
- C. are generally small
- D. are also known as compensating errors
- E. all the above. Discuss
- 8. The movement of the projector in y-direction, introduces in the model a y-parallax
Options- A. maximum at position 1
- B. maximum at position 2
- C. maximum at position 5 and 6
- D. maximum at positions 3 and 4
- E. equally throughout the model. Discuss
- 9. While making astronomical observations, the observer is mainly concerned with
Options- A. the direction of the vertical, the axis of rotation of the instrument
- B. the direction of the poles of the celestial sphere
- C. the direction of the star from the instrument
- D. all the above. Discuss
- 10. The angle between the axis of earth and the vertical at the station of observation is called
Options- A. astronomical latitude
- B. astronomical co-latitude
- C. co-declination of star
- D. declination of star. Discuss
Advanced Surveying problems
Search Results
Correct Answer: All the above.
Correct Answer: none of these.
Correct Answer: ? - ?
Correct Answer: southward.
Correct Answer: one more than mean solar days
Correct Answer: 180° longitude
Correct Answer: all the above.
Correct Answer: equally throughout the model.
Correct Answer: all the above.
Correct Answer: astronomical co-latitude
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