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Advanced Surveying
Comments
Question
The normal longitudinal overlap is generally kept
Options
A. 50%
B. 60%
C. 70%
D. 75%.
Correct Answer
60%
Advanced Surveying problems
Search Results
1. 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
Options
A. 7 h 00 m
B. 7 h 30 m
C. 8 h 00 m
D. 8 h 30 m
E. 9 h 00 m.
Show Answer
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Correct Answer: 9 h 00 m.
2. The true and mean suns occupy the same meridian at the same time on
Options
A. April 15
B. June 14
C. September 1
D. December 25
E. all the above.
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Correct Answer: all the above.
3. If
S
is the sum of three angles of a spherical triangle, the spherical excess equals
Options
A.
S
- 90°
B.
S
- 180°
C.
S
- 270°
D.
S
- 360°.
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Correct Answer:
S
- 180°
4. For a spherical triangle
ABC
, pick up incorrect statement
Options
A.
B.
C.
D.
E. none of these.
Show Answer
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Correct Answer:
5. The station pointer is generally used in
Options
A. Triangulation surveying
B. Astronomical surveying
C. Hydrographical surveying
D. Photogrammetric surveying.
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Correct Answer: Hydrographical surveying
6. Polaris is usually observed for the determination of the latitude when it is
Options
A. at culmination
B. at elongation
C. neither at culmination nor at elongation
D. either at culmination or at elongation.
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Correct Answer: at culmination
7. Right ascension of a heavenly body is its equatorial angular distance measured
Options
A. westward from the first point of Libra
B. eastward from the first point of Aeries
C. westward from the first point of Aeries
D. eastward from the first point of Libra.
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Correct Answer: eastward from the first point of Aeries
8. If ? is the observed altitude, the refraction correction in seconds, is
Options
A. 58" cot ?
B. 58" tan ?
C. 58 sin ?
D. 58 cos ?.
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Correct Answer: 58" cot ?
9. The altitudes of a circumpolar star at culminations are 70° and 10°, both culminations being north of zenith. The latitude of the place, is
Options
A. 80°
B. 70°
C. 60°
D. 50°
E. 40°.
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Correct Answer: 40°.
10. The great circle along which the sun appears to trace on the celestial sphere with earth as centre during the year, is called
Options
A. equator
B. celestial equator
C. ecliptic
D. none of these.
Show Answer
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Correct Answer: ecliptic
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