ST1 - Sport Diving

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1. 'Going with the flow of the current' is generally known as ________ diving?

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2. When do Spring tides occur? Please select all that apply.

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3. Which diagram below corresponds to a neap tide?

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4. What abbreviation is used for the point of maximum depth during the tide cycle?

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5. In most places around the UK, if there is a high tide at 09:00 hours, at what time approximately will the next one occur?

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6. If the depth at LW is 10 metres and the tidal range is 5 metres, what is the depth at HW?

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7. When the tide is rising it is said to be on the _______?

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8. The period when a tidal current slows down and reverses is known as ________?

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9. Which of the following are reasons why static sites are best dived at slack water? Please select one answer only.

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10. Ground swell is a backwards and forwards or side-to-side motion felt on the seabed caused by _________?

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11. Which of the following can lead to reduced underwater visibility? Please select all that apply.

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12. Which of the following significantly affects water temperature? Please select all that apply.

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13. What causes the water temperature to be higher on the west coast of the UK than on the east?

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14. If you are weighted for neutral buoyancy in fresh water, what will you need to do when diving in the sea with the same equipment?

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15. Which of the following can make it difficult to see divers or their surface markers? Please select one answer only.

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16. Which of the following lines up with the advice given about boat diving? Please select all that apply.

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17. How should you surface at a dive site where there is a lot of boat traffic?

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18. Where can you obtain knowledge of the conditions at a dive site? Please select one answer only.

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19. As a final precaution before a dive you should make a _________?

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20. Know your _______?

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