Q. The low water datum for a lake is defined as the surface of the lake when it is at elevation

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Q. A harbour is a place where

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Q. Pick up the incorrect statement from the following:

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Q. In a wet dock system,

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Q. A roadstead :

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Q. The width of the entrances of the harbours is restricted to

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Q. Pick up the correct statement from the following:

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Q. Pick up the correct statement function following:

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Q. Pick up the correct statement from the following:

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Q. Depth of borings for soil investigation, is generally kept below low water level

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Q. Which one of the following land marks on the coast line must be depicted on hydrographic maps ?

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Q. According to the recommendations of International Navigational Congress in 1912, the ratio of length to width at the entrance for cargo vessels is

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Q. Pick up the correct statement from the following:

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Q. Buoys which support the cables to which vessels are attached are of

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Q. The beach is built:

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Q. Flow of air from one place to the other is caused due to

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Q. Location of soundings by range and one angle is done by the surveyor

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Q. The variation of atmospheric potential is caused due to :

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Q. Location of soundings by two angles from the shore requires establishing

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Q. The floating mooring does not require

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