1000+ Advanced Surveying Multiple Choice Question Answer [Solved]

1. The latitude of a place was obtained by subtracting the zenith distance of a star from its declination, the observed star was between
A. Horizon and equator
B. Equator and zenith
C. Zenith and pole
D. Pole and horizon
Answer : C

2. Pick up the incorrect statement from the following. In a spherical triangle
A. Every angle is less than two right angles
B. Sum of the three angles is equal to two right angles
C. Sum of the three angles less than six right angles and greater than two right angles
D. Sum of any two sides is greater than the third
Answer : B

3. International Date Line is located along
A. Standard meridian
B. Greenwich meridian
C. Equator
D. 180° longitude
Answer : D

4. ? and ? are the angles subtended by a point of elevation h at their air station with respective plumb points. Photo scale and focal length of the lens being S and f respectively. Parallax displacement of the point due to relief, is
A. h tan ?/S
B. h tan ?/S
C. h (tan ? + tan ?)/S
D. h (tan ? - tan ?)/S
Answer : C

5. If the general ground level of any area is 10% of the flying height, the principal points may be used as the centres of radial directions for small scale mapping even in tilted photograph up to
A. 1°
B. 2°
C. 3°
D. 4°
Answer : C

6. The point where vertical line passing through the perspective centre intersects the plane of the photograph, is known as
A. Photo plumb point
B. Plumb point
C. Nadir point
D. Isocenter
Answer : A

7. Pick up the correct statement from the following:
A. The angle between the plane of the negative and the horizontal plane containing perspective axis is the tilt of the photograph
B. The direction of maximum tilt is defined by the photo principal line
C. The principal plane is truly vertical plane which contains perspective centre as well as principal point and plumb point
D. All the above
Answer : D

8. The method of surveying by triangulation was first introduced by the Dutchman Snell in
A. 1600
B. 1615
C. 1630
D. 1650
Answer : B

9. The latitude (?) of a place and the altitude (?) of the pole are related by
A. ? = ?
B. ? = 90° - ?
C. ? = ? - 90°
D. ? = 180° - ?
Answer : A

10. The prime vertical passes through
A. The east point of the horizon
B. The west point of the horizon
C. The zenith point of the observer
D. All the above
Answer : D

11. Longitude of a place is the angular distance between the meridian of the place and
A. The standard meridian
B. The international date line
C. That of Greenwich
D. Both (a) and (c) of above
Answer : D

12. According to Napier's Rules of circular parts for a right angled triangle, sine of middle part equals the product of
A. Tangents of two adjacent parts
B. Sines of two adjacent parts
C. Cosines of two adjacent parts
D. Both (a) and (b) above
Answer : D

13. The nearest star is so far away from the earth that the directions to it from two diametrically opposite points on the earth differs less than
A. 0.01 second
B. 0.001 second
C. 0.0001 second
D. None of these
Answer : C

14. 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 somewhat lesser accuracy
C. Secondary triangles are further broken into third and fourth order triangles, the points of which are used for detail surveys
D. All the above
Answer : D

15. Pick up the correct statement from the following:
A. Ursa Minor's remains always north of pole star
B. Polar star remains always north of Polaris
C. Polaris remains always north of Ursa Minor's
D. Ursa Minor's pole star and Polaris are the names of the same star
Answer : D

16. Pick up the correct statement from the following:
A. If the applied tension to the tape is more than the standard, the tension correction is positive
B. If the applied tension to the tape is less than the standard, the tension correction is negative
C. If the temperature during measurement is greater than the standard temperature, the temperature correction is positive
D. All the above
Answer : D

17. Pick up the correct statement from the following:
A. The principal point coincides with plumb point on a true vertical photograph
B. The top of a hill appears on a truly vertical photograph at greater distance than its bottom from the principal point
C. The top of a hill is represented on a vertical photograph at larger scale than the area of a nearby valley
D. All the above
Answer : D

18. The maximum error in radial line assumption, is
A. h/H f tan ?
B. h/H f² tan ?
C. h/H f² sin ?
D. h/H f cos ?
Answer : A

19. The great circle which passes through the zenith, nadir and the poles, is known as
A. Meridin
B. Vertical circle
C. Prime vertical
D. None of these
Answer : A

20. The normal longitudinal overlap is generally kept
A. 50 %
B. 60 %
C. 70 %
D. 75 %
Answer : B

21. The point at which sun's declination changes from north to south, is known as
A. First point of Aeries
B. First point of Libra
C. Vernal Equinox
D. Both (b) and (d) of the above
Answer : D

22. The point on the photograph where bisector between the vertical line through optical centre of the camera lens and the plate perpendicular meets, is known as
A. Principal point
B. Isocenter
C. Plumb point
D. Perspective centre
Answer : B

23. Latitude of the observer's position is equal to altitude of
A. North pole
B. Pole star
C. Celestial pole
D. All the above
Answer : C

24. If f is the focal length of the camera lens and ? is the angle of tilt, the distance of the plumb point from the principal point will be
A. f sin ?
B. f cos ?
C. f tan ?
D. f sec ?
Answer : C

25. The altitudes of a circumpolar star at culminations are 70° and 10°, both culminations being north of zenith. The declination of the star, is
A. 80°
B. 70°
C. 60°
D. 50°
Answer : C

26. Pick up the correct statement from the following:
A. One degree of longitude has greatest value at the equator
B. One degree of longitude has greatest value at the poles
C. One degree of longitude has the same value everywhere
D. One degree of latitude decreases from the equator to the poles
Answer : A

27. With standard meridian as 82° 30' E the standard time at longitude 90° E is 8 h 30 m. The local mean time at the place will be
A. 7 h 00 m
B. 7 h 30 m
C. 8 h 00 m
D. 9 h 00 m
Answer : D

28. The station where observations are not made, but the angles at the station are used in triangulation series, is known as
A. Satellite station
B. Subsidiary station
C. Pivot station
D. Main station
Answer : C

29. The elevation of the star at elongation is obtained by
A. sin ? = sin ? cosec ?
B. sin ? = sin ? sec ?
C. sin ? = cos ? sec ?
D. sin ? = cos ? cosec ?
Answer : A

30. The longitudes of two places at latitude 60° N are 93° E and 97° W. Their departure is
A. 5100 nautical miles
B. 5700 nautical miles
C. 120 nautical miles
D. 500 nautical miles
Answer : B

31. A star in northern sphere is said to transit
A. When its altitude is maximum
B. When its azimuth is 180°
C. When it is in south
D. All the above
Answer : D

32. Pick up the correct statement for horizontal photographs.
A. Parallel lines do not appear parallel in central projection
B. The two sides of a road meet at the vanishing point
C. The lines parallel to the negative plane are projected as parallel lines
D. All the above
Answer : D

33. The position of the sun when its north declination is maximum is known as
A. Vernal equinox
B. Autumnal equinox
C. Summer solstice
D. Winter solstice
Answer : C

34. The relation between the air base (B), photographic base (b), flying height (H) and the focal length (f) of a vertical photograph, is
A. B = bH/f
B. B =f/bH
C. B = b/fH
D. B = H/bf
Answer : A

35. If ?, H, A and ? be the altitude, hour angle, azimuth and declination of a circumpolar star at its elongation, in latitude ?, the following relation holds good
A. cos H = tan ?/tan ?
B. sin ? = sin ?/sin ?
C. sin A = cos ?/cos ?
D. All the above
Answer : D

36. Limiting gradient for locating the base line on evenly-sloping ground, is
A. 1 in 12
B. 1 in 10
C. 1 in 8
D. 1 in 6
Answer : A

37. If a star whose declination is 60° N culminates at zenith, its altitude at the lower culmination, is
A. 10°
B. 20°
C. 30°
D. 40°
Answer : C

38. At eastern elongation, the pole star moves
A. Eastward
B. Westward
C. Northward
D. Southward
Answer : C

39. The difference of parallax for a given difference in elevation is independent of
A. Focal length of the camera
B. Overall size of the photo graphs
C. Percentage of overlap
D. All the above
Answer : D

40. Systematic errors
A. Always follow some definite mathematical law
B. Can be removed by applying corrections to the observed values
C. Are also known as cumulative errors
D. All the above
Answer : D

41. To have greatest coverage of the area, the type of photography used, is
A. High oblique
B. Low oblique
strong>C. Vertical
D. None of these
Answer : A

42. The product of the distances of plumb point and horizon point of a vertical photograph from its principal point, is
A. f²
B. 2f²
C. 3f²
D. ½f
Answer : A

43. The scale of a tilted photograph of focal length f taken from an altitude H, along the plate parallel through principal point is
A. f/H sec ?
B. f sec ?/H
C. f/H
D. f/H cos ½?
Answer : A

44. Accidental errors
A. Do not follow any definite mathematical law
B. Cannot be removed by applying corrections to the observed values
C. Are generally small
D. All the above
Answer : D

45. 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. Observation equation
B. Conditional equation
C. Normal equation
D. None of these
Answer : C

46. The time interval between successive transits of the moon, is
A. 24 hours 10 minutes
B. 20 hours 25 minutes
C. 24 hours 50 minutes
D. 23 hours 50 minutes
Answer : C

47. The sun's declination remains north between
A. March 21 to June 21
B. June 21 to September 21
C. September 21 to December 21
D. Both (a) and (b) of above
Answer : D

48. At the first point of Aeries, the sun moves
A. Northward
B. Southward
C. From south to north of the equator
D. From north to south of the equator
Answer : C

49. If the altitudes of a star at its upper and lower transits are 60° 30' and 19° 30' respectively, the latitude of the place, is
A. 30°
B. 35°
C. 40°
D. 45°
Answer : C

50. The flying height of the camera is 1, 000 m above mean ground level, the distance of the top of a building from a nadir point is 10 cm and the relief displacement of building is 7.2 mm. The height of the building, is
A. 52 m
B. 62 m
C. 72 m
D. 82 m
Answer : C