1. For large vessels, the buoys are strengthened by connecting it to a number of anchors having
2. Location of soundings by range and one angle is done by the surveyor
3. Pick up the correct statement from the following:
4. In a wet dock system,
5. A dock:
6. The variation of atmospheric potential is caused due to :
7. A roadstead :
8. On the sea shore structures, the water wave impact causes
9. Pick up the correct statement from the following:
10. The width of the entrances of the harbours is restricted to
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