HYDROGRAPHIC SURVEY - Practice Mode

1) What is the use of station pointer in sounding ?

Ranging Fixing Plotting Sighting

Correct Answer: Plotting

2) What is the time that elapse between the generation of spring tide and its arrival at the place ?

Gross time Age of tide Net time Mean time

Correct Answer: Age of tide

Explanation:

3) What is the cause of the tides?

Attractive force between earth and celestial bodies Attractive force b/w the celestial bodies Attractive force between sun & moon Attractive force with in the earth

Correct Answer: Attractive force between earth and celestial bodies

4) What is the name of device used to measure the height of high and low waters?

Altimeter Height indicator Tide gauge Pressure gauge

Correct Answer: Tide gauge

5) Which is the simplest type of tide gauge ?

Staff gauge Float gauge Weight gauge Self registering gauges

Correct Answer: Staff gauge

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