# Civil Engineering - Advanced Surveying

### Exercise :: Advanced Surveying - Section 3

11.

When a star is between the pole and the horizon, the relationship between latitude (λ), zenith distance (z) and declination δ, is

 A. θ = z + δ B. θ = δ - z C. θ = 180° - (z + δ) D. θ = (z + δ) - 180°.

Explanation:

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12.

The distance between the minor control point and the principal point should be equal to

 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.

Explanation:

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13.

The great circle whose plane is perpendicular to the axis of rotation of the earth, is called

 A. equator B. terrestrial equator C. 0° latitude D. all the above.

Explanation:

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14.

The Polaris describes a small circle round the pole whose radius is approximately

 A. 1° B. 2° C. 3° D. 4°.

Explanation:

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15.

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.