HYDROGRAPHIC SURVEY - Quiz

1) Which is the process of keeping the survey vessel or boat on a known course ?

Conning Ranging Offsetting Centering

2) Which method of sounding is generally used for open seas up to 5 km off shore

Two angles from the shore Two angles from the boat Conning the survey vessel Tacheometry

3) How a range line is marked in soundings ?

By signals Angles Lengths Bearings

4) Which is the most accurate method of locating the soundings ?

Range and time intervals Range and one angle from the shore Cross rope Two angles from the shore

5) Which sounding method uses the three point problem for locating the boat ?

One angle from the shore & the other from the boat Cross rope Two angles from the shore Two angles from the boat