# Civil Engineering - Advanced Surveying

### Exercise :: Advanced Surveying - Section 4

1.

If two points differing by 1° of latitude and of the same longitude is 110 km apart on the earth, then two astronomical positions on the moon is about

 A. 10 km B. 25 km C. 30 km D. 50 km.

Explanation:

No answer description available for this question. Let us discuss.

2.

The distance between the projection centre and the photograph, is called

 A. principal distance B. principal line C. isocentric distance D. focal length.

Explanation:

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3.

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 E. above the observer.

Explanation:

No answer description available for this question. Let us discuss.

4.

Equation of time which is the difference between apparent solar time and mean solar time at any instant, vanishes during one year

 A. once B. twice C. thrice D. four times E. five times.

Explanation:

No answer description available for this question. Let us discuss.

5.

To have greatest coverage of the area, the type of photography used, is

 A. high oblique B. low oblique C. vertical D. none of these.