Английский язык: Сборник текстов и упражнений для студентов специальности "Судовождение". Пенязь Г.В. - 43 стр.

52. The difference between high and low waters is called:
a) rate
b) tide
c) range
d) flood

53. Streams in clockwise direction mean:
a) по часовой стрелке
b) против часовой стрелки
c) бурное течение
d) четко выраженное течение

54. Spring and neap tides occur in dependence of:
a) a current
b) the depth of water
c) position of the moon sun and earth
d) prevailing winds

55. Answer the questions :
1. What is the lighthouse?
2. What purpose does a light serve in navigation?
3. Where are lighthouse located?
4.On what foundations are lighthouse mostly erected?
5. Of that shape are lighthouses?
6. Of what materials are lighthouse built?
7. Which light is exhibited higher, the front or the rear one?
8. What are buoys and beacons used for?
9. What do they show to navigator?
10. How should the buoys be regarded?
11. When was a new Uniform System of Buoyage for Russian waters adopted?
12. How many systems of buoyage are in force in our waters?
13. What is the lateral system used for?
14. What colour are the port-hand marks painted?
15. Where is the cardinal system used?
16. What for are the center line buoys used?
17. What for is the local buoyage system used?
18. What dangers may threaten ship’s safety?
19. What book should a navigator consult to avoid dangers?
20. Why is navigation especially dangerous in the North?
21. Why is the ice in bays more dangerous than in the open sea?
22. What do we call ice formations attached to the shore?
23. Where is fast ice found?
24. What makes sometimes navigator change ship’s course in the Northern seas?
25. When is it especially recommended to keep a sharp look-out?
26. At what places may ships anchor?
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