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Land Surveying

BASIC CONCEPTS OF SURVEYING

Basic Concepts of Surveying. 

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Follow all the steps outlined in the Guide Line in order to stand a better chance to win.

Promotion is only valid to people living in Zimbabwe at the moment. Please bare with us as we sort out the logistics for all parts of the region.

This week's prize stands at 40ZWL Worth of Airtime

This Week's Quiz:

  • contains 20 questions
  • acceptable pass-mark stands at 95% (meaning you only need to fail at most 1 question in order to compete for the Prize)
  • is based on the basic concepts and principles of Surveying
  • has a duration of 5 minutes in total (when the time is up the clock will stop and that is the end)
  • and lastly, you can only attempt this session once.

Good Luck

 

1 / 20

The relation between the air base (B), photographic base (b), flying heigh (H) and the focal length (f) of a vertical photograph, is

2 / 20

The prime vertical passes through

3 / 20

The following sights are taken on a "turning point"

4 / 20

The horizontal angle between the true meridian and magnetic meridian at a place is called

5 / 20

Accidental errors...

6 / 20

The average eye base is assumed as

7 / 20

The parallax equation  Δp = BmΔh/H - h  is applicable to entire overlap of the photographs only if parallax is measured

8 / 20

The solar tidal force divided by lunar tidal force is

9 / 20

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

10 / 20

If the length of a chain is found to be short on testing, it can be adjusted by

11 / 20

The principal plane contains

12 / 20

The number of horizontal cross wires in a stadia diaphragm is

13 / 20

Latitude of the observer's position is equal to altitude of

14 / 20

Refraction correction

15 / 20

A level line is a

16 / 20

The declination and right ascension of the sun becomes 23°27`S and 270° respectively on

17 / 20

Closed contours, with higher value inwards, represent a

18 / 20

The declination and right ascension of the sun becomes 23° 27`N and 90° respectively on

19 / 20

In the double application of principle of reversion, the apparent error is

20 / 20

Pick up the correct statement from the following. 

The difference between the longitudes of the places is obtained.

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