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Advanced Surveying
Comments
Question
The plane at right angle to the zenith-nadir line and passing through the centre of the earth, is called
Options
A. rational horizon
B. true horizon
C. celestial horizon
D. all the above.
Correct Answer
all the above.
Advanced Surveying problems
Search Results
1. Pick up the correct statement for horizontal photographs.
Options
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.
Show Answer
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Correct Answer: All the above.
2. Homologous points are
Options
A. opposite corners of a photograph
B. nodal points of the camera lens
C. corresponding points on the ground and photograph
D. plumb points of stereo pair of photographs.
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Correct Answer: corresponding points on the ground and photograph
3. 23 cm x 23 cm photographs are taken from a flying height with a camera of focal length of 3600 m and 15.23 cm respectively. A parallax difference of 0.01 mm represents
Options
A. 1 m
B. 2 m
C. 3 m
D. 4 m
E. 5 m.
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Correct Answer: 1 m
4. Homologous point is
Options
A. photo principal point
B. ground principal point
C. ground isocentre
D. photo isocentre
E. all the above.
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Correct Answer: all the above.
5. The meridian of a place is
Options
A. a great circle passing through the place and the poles
B. a great circle whose plane is perpendicular to the axis of rotation and it also passes through the place
C. a semi-circle which passes through the place and is terminated at the poles
D. an arc of the great circle which passes through the place and is perpendicular to the equator.
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Correct Answer: a semi-circle which passes through the place and is terminated at the poles
6. The distance between the minor control point and the principal point should be equal to
Options
A. base line of the left photograph of stereo pair
B. base line of the right photograph of stereo pair
C. sum of the base lines of stereo pair
D. mean of the base lines of the stereo pair.
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Correct Answer: mean of the base lines of the stereo pair.
7. Limiting gradient for locating the base line on evenly-sloping ground, is
Options
A. 1 in 12
B. 1 in 10
C. 1 in 8
D. 1 in 6.
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Correct Answer: 1 in 12
8. Pick up the correct statement from the following :
Options
A. North end of the polar axis is known as north pole
B. South end of the polar axis is known as south pole
C. Point where polar axis when produced northward intersects the celestial sphere, is known as north celestial pole
D. Point where polar axis when produced southward intersects the celestial sphere, is known as south celestial pole
E. all the above.
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Correct Answer: all the above.
9. The length of a parallel of ? latitude between two meridians is equal to difference in logitudes multiplied by
Options
A. sin ?
B. cos ?
C. tan ?
D. cot ?.
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Correct Answer: cos ?
10. Pick up the incorrect statement from the following. In a spherical triangle
Options
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. if the sum of any two sides is ?, the sum of the angles opposite them is also ?
E. sum of any two sides is greater than the third.
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Correct Answer: sum of the three angles is equal to two right angles
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