1000+ Advanced Surveying MCQ for IBPS Clerk [Solved]

1. 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

2. The zenith is the point on the celestial sphere
A. East of observer
B. West of observer
C. North of observer
D. South of observer
Answer : D

3. A plate parallel is the line on the plane of the negative
A. Parallel to the principal line
B. Perpendicular to the principal line
C. Along the bisector of the angle between the principal line and a perpendicular line through principal plane
D. None of these
Answer : B

4. The plane at right angle to the zenith-nadir line and passing through the centre of the earth, is called
A. Rational horizon
B. True horizon
C. Celestial horizon
D. All the above
Answer : D

5. G.M.T. corresponding to given mean time, equals
A. L.M.T. - East longitude in time
B. L.M.T. + East longitude in time
C. L.M.T. - West longitude in time
D. None of these
Answer : A

6. In a truly vertical photograph,
A. Principal point coincides the isocenter
B. Iso-centre coincides the plumb point
C. Plumb point coincides the principal point
D. All the above
Answer : D

7. At lower culmination, the pole star moves
A. Eastward
B. Westward
C. Northward
D. Southward
Answer : A

8. 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

9. At upper culmination, the pole star moves
A. Eastward
B. Westward
C. Northward
D. Southward
Answer : B

10. 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

11. The solar tidal force divided by lunar tidal force is
A. 1/3
B. 1/2
C. 3/4
D. 5/4
Answer : B

12. The moon rotates round the earth once in every
A. 29 days
B. 29.35 days
C. 29.53 days
D. 30 days
Answer : B

13. Circumpolar stars
A. Rotate round the North Pole
B. Rotate round the celestial pole
C. Remain always above the horizon
D. Are seldom seen near the pole star
Answer : C

14. The angular distance of a heavenly body from the equator, measured along its meridian, is called
A. Declination
B. Altitude
C. Zenith distance
D. Co-latitude
Answer : A

15. The most convenient co-ordinate system for specifying the relative positions of heavenly bodies on the celestial sphere, is
A. Altitude and azimuth system
B. Declination and hour angle system
C. Declination and right ascension system
D. Declination and altitude system
Answer : C

16. While making astronomical observations, the observer is mainly concerned with
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
Answer : D

17. A star is said to elongate
A. When the star momentarily moves vertically
B. When the angle at the star of the spherical triangle is 90°
C. When the star's declination is greater than the observer's latitude
D. All the above
Answer : D

18. Parallax bar measures
A. Parallax
B. Height
C. Parallax difference
D. Height difference
Answer : C

19. Polaris is usually observed for the determination of the latitude when it is
A. At culmination
B. At elongation
C. Neither at culmination nor at elongation
D. Either at culmination or at elongation
Answer : A

20. On vertical photographs, height displacement is
A. Positive for points above datum
B. Negative for points below datum
C. Zero for points vertically below the air station
D. All the above
Answer : D

21. Sidereal day
A. Is the period of time taken by the earth in making a complete rotation with reference to stars
B. Is slightly shorter than an ordinary solar day
C. Is divided into the conventional hours, minutes and seconds
D. All the above
Answer : D

22. The station pointer is generally used in
A. Triangulation surveying
B. Astronomical surveying
C. Hydrographical surveying
D. Photogrammetric surveying
Answer : C

23. The relief displacement of a building 72 m high on photograph is 7.2 mm and its top appears 10 cm away from principal point. The flying height of the camera, is
A. 500 m
B. 1000 m
C. 1500 m
D. 2000 m
Answer : B

24. The sidereal day is the time interval between two successive upper transits of
A. Mean sun
B. First point of Aries
C. First point of Libra
D. The polar star
Answer : B

25. 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

26. The length of a parallel of ? latitude between two meridians is equal to difference in longitudes multiplied by
A. sin ?
B. cos ?
C. tan ?
D. cot ?
Answer : B

27. The latitude of the observer's position, is
A. Elevation of the elevated pole
B. Declination of the observer's zenith
C. Angular distance along the observer's meridian between equator and the observer
D. All the above
Answer : D

28. If S is the sum of three angles of a spherical triangle, the spherical excess equals
A. S - 90°
B. S - 180°
C. S - 270°
D. S - 360°
Answer : B

29. The principal line is the line joining the principal point and
A. Nadir
B. Isocenter
C. Perspective centre
D. None of these
Answer : B

30. For any star to be a circumpolar star, its
A. Declination must be 0°
B. Declination must be 90°
C. Distance from the pole must be less than the latitude of the observer
D. Hour angle must be 180°
Answer : C

31. From the principal point the horizon point lies on the principal line at a distance of
A. f tan ?
B. f sin ?
C. f cot ?
D. f cos ?
Answer : A

32. 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

33. Pick up the correct statement from the following:
A. The horizontal direction of the pole is called astronomical north
B. The angle between the direction of true north and the direction of a survey line is called astronomical bearing
C. The astronomical bearing is generally called azimuth
D. All the above
Answer : D

34. The shortest distance between two places measured along the surface of the earth, is
A. Length of the equator between their longitudes
B. Length of the parallel between their longitudes
C. Length of the arc of the great circle passing through them
D. None of these
Answer : C

35. If the image of a triangulation station of R.L. 500 m is 4 cm from the principal point of a vertical photo taken from an altitude of 2000 m, above datum, the height displacement will be
A. 2 mm
B. 4 mm
C. 6 mm
D. 10 mm
Answer : D

36. The stereo plotting instruments are generally manufactured on the principle of
A. Optical projection
B. Optical mechanism projection
C. Mechanical projection
D. All the above
Answer : D

37. The altitudes of a circumpolar star at culminations are 70° and 10°, both culminations being north of zenith. The latitude of the place, is
A. 80°
B. 70°
C. 60°
D. 40°
Answer : D

38. The necessary geometrical condition for triangulation adjustment is:
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
Answer : D

39. 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

40. Pick up the incorrect statement from the following. High oblique photographs
A. May have tilt up to 30°
B. May include the image of the horizon
C. May not include the image of the horizon
D. None of these
Answer : D

41. The scale of the photography taken from a height of 300 m, with a camera of focal length 15 cm, is
A. 1 : 10,000
B. 1 : 15,000
C. 1 : 20,000
D. 1 : 30,000
Answer : C

42. The net ground area of a vertical photograph 20 cm × 20 cm on scale 1 : 10,000 having overlaps 60% and 30%, is
A. 0.50 sq km
B. 0.56 sq km
C. 0.60 sq km
D. 0.64 sq km
Answer : D

43. The correction for parallax, is
A. - 8.8 cos ?
B. + .8 sin ?
C. + 8.8 cos ?
D. - 8.8 cos ?
Answer : C