Sports Diver Knowledge Quiz

STI - Sport Diving

Going with the flow of the current is generally known as ________ diving. See Student Workbook p5
1. Sport
2. Technical
3. Ocean
4. Drift
5. Reef
When do Spring tides occur? Check all boxes that are correct. See Student Workbook pp6-7
1. at full moon
2. at first quarter moon
3. at third quarter moon
4. roughly every 14 days
5. at new moon
6. roughly a week after a Neap tide
Which diagram corresponds to a neap tide? See Student Workbook p6.
What abbreviation is used for the point of maximum depth during the tide cycle? See Student Workbook p7.
1. CD
2. HW
3. LW
4. Np
5. Sp
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? See Student Workbook p7.
1. 12:00
2. 15:00
3. 18:00
4. 21:00
5. 09:00 next day
If the depth at LW is 10 metres and the tidal range is 5 metres, what is the depth at HW? See Student Workbook p7.
1. 5 metres
2. 10 metres
3. 15 metres
4. It depends whether it is springs or neaps
5. Impossible to say
When the tide is rising it is said to be on the _______. See Student Workbook p7.
1. ebb
2. flood
3. turn
4. wane
5. wax
The period when a tidal current slows down and reverses is known as ________. See Student Workbook p8.
1. Low water
2. High water
3. Neap tide
4. Slack water
5. Slow water
Which of the following are reasons why static sites are best dived at slack water? See Student Workbook p7.
1. no need to fight the current
2. lower gas consumption
3. no risk of being swept away
4. easier for surface cover to pick up divers
5. all of the above
Ground swell is a backwards and forwards or side-to-side motion felt on the seabed caused by _________? See Student Workbook p8.
1. Tidal currents
2. Seaweed or kelp
3. Ocean currents
4. Wave action
5. Boat wake
Which of the following can lead to reduced underwater visibility? Check all that apply. See Student Workbook p9.
1. Windy weather
2. Plankton blooms
3. Run-off from rivers and land
4. Soft sediments on the seabed
5. Careless use of fins
6. Depth
7. Currents
Which of the following significantly affects water temperature? Check all that apply. See Student Workbook p10
1. Climate
2. Depth
3. Ocean currents
4. Salinity
5. Thunderstorms
6. Thermoclines
What causes the water temperature to be higher on the west coast of the UK than on the east? See Student Workbook p10
1. The Gulf Stream
2. The North Sea is shallower than the seas on the west coast
3. Global warming
4. Ireland and the Outer Hebrides insulate the west coast
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? See Student Workbook p10.
1. Remove weight
2. Add weight
3. Leave your weights the same
Which of the following can make it difficult to see divers or their surface markers? See Student Workbook pp11-12
1. Rain
2. Fog
3. Waves
4. Glare
5. All of the above
Which of the following lines up with the advice given about boat diving? Check all that apply. See Student Workbook p11.
1. Sometimes you can get in the water but you can't get out
2. Sometimes you can get out of the water but you can't get in
3. If it's calm at the dive site it will be a smooth journey to reach it
4. Blue skies and sunshine mean calm seas
5. Use more than one lookout if the waves are big
How should you surface at a dive site where there is a lot of boat traffic? See Student Workbook p12
1. Quickly
2. Slowly
3. Assertively
4. With caution
5. Recklessly
Where can you obtain knowledge of the conditions at a dive site? See Student Workbook pp12-13
1. The Dive Manager's brief
2. The Lead Instructor's brief
3. A dive centre
4. Dive books and magazines
5. All of the above
As a final precaution before a dive you should make a _________. See Student Workbook p15
1. Prayer
2. Offering
3. Donation
4. Sanity check
5. Buddy check
Know your _______. See Student Workbook pp15-16
1. Buddy
2. Rights
3. Enemy
4. Limits
5. Dive manager