Civil Engineering - Advanced Surveying

Exercise :: Advanced Surveying - Section 3

21. 

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. cosines of two opposite parts
E. both (a) and (b) above.

Answer: Option E

Explanation:

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22. 

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: Option D

Explanation:

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23. 

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: Option A

Explanation:

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24. 

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: Option A

Explanation:

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25. 

Homologous points are

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.

Answer: Option C

Explanation:

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