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How to explore shipwrecks underwater
Contributed by: Frost
  • 1. What is the first step in planning a shipwreck dive?
A) Diving without a plan.
B) Immediately buying dive gear.
C) Inviting all your friends.
D) Research the shipwreck's history and location.
  • 2. Which certification is highly recommended for wreck diving?
A) Open Water Diver
B) Advanced Open Water Diver
C) Wreck Diver Specialty
D) Rescue Diver
  • 3. What should you do before entering a shipwreck?
A) Ignore any safety concerns.
B) Assess the wreck's stability and condition.
C) Remove artifacts as souvenirs.
D) Swim inside immediately.
  • 4. What is a crucial piece of equipment for wreck penetration?
A) Dive Reel with Line
B) Axe
C) Hammer
D) Fishing Rod
  • 5. What is the primary purpose of a dive reel and line?
A) To measure the size of the wreck.
B) To find your way back to the exit.
C) To tie off loose objects.
D) To catch fish inside the wreck.
  • 6. What is a common hazard inside shipwrecks?
A) Friendly Fish
B) Perfect Visibility
C) Unlimited Air Supply
D) Sharp Metal and Debris
  • 7. What type of gas mixture is often used for deeper wreck dives?
A) Carbonated Water
B) Helium Only
C) Regular Air
D) Trimix
  • 8. Why is proper buoyancy control essential in wreck diving?
A) Buoyancy doesn't matter in wreck diving.
B) To avoid stirring up silt and reducing visibility.
C) To impress other divers.
D) To swim faster.
  • 9. What should you do if you become disoriented inside a wreck?
A) Panic and swim randomly.
B) Call for help (it won't work underwater).
C) Remove your mask to see better.
D) Follow your guideline back to the exit.
  • 10. What is a good buddy team practice for wreck diving?
A) Splitting up to explore more of the wreck.
B) Competing to see who finds the coolest artifact.
C) Ignoring each other during the dive.
D) Agreeing on a maximum penetration distance and time.
  • 11. What is the best way to preserve shipwrecks?
A) Leave everything as you found it.
B) Move artifacts to a safer location.
C) Clean the wreck.
D) Collect souvenirs.
  • 12. What is a common term for poor visibility caused by disturbed sediment?
A) Silt Out
B) Blue Hole
C) Clear Water
D) Sun Glare
  • 13. Which of these is NOT a common risk associated with wreck diving?
A) Entanglement.
B) Decompression sickness.
C) Loss of visibility.
D) Shark attacks within the wreck (generally rare).
  • 14. Why is Nitrox often used in wreck diving?
A) To increase bottom time.
B) To make your dive gear look cooler.
C) To attract fish.
D) To make you feel weightless.
  • 15. What is a good practice regarding your air supply during a wreck dive?
A) Share your air with every fish you see.
B) Ignore your air gauge.
C) Follow the 'rule of thirds'.
D) Use as much air as you can.
  • 16. What does the 'rule of thirds' mean?
A) Divide your air supply by three and use it randomly.
B) 1/3 to enter, 1/3 to exit, 1/3 reserve.
C) 1/3 for fun, 1/3 for photos, 1/3 for exiting.
D) Swim for 1/3 of the dive, rest for 1/3, look for treasure 1/3
  • 17. What can a dive light help you see in a shipwreck?
A) The surface above.
B) Other divers far away.
C) The interior structure and marine life.
D) Only darkness.
  • 18. What is the recommended procedure for dealing with strong currents near a wreck?
A) Fight against the current.
B) Abort the dive or use a down line.
C) Swim inside the wreck for shelter.
D) Pretend the current isn't there.
  • 19. What information can you gather from a shipwreck's artifacts?
A) Insights into the ship's history and purpose.
B) The current weather conditions.
C) A prediction of the future.
D) The best fishing spots.
  • 20. What type of communication system is often used for wreck diving?
A) Hand signals and underwater writing slates.
B) Cell phones.
C) Shouting.
D) Smoke signals.
  • 21. What is the primary reason for having a dive plan?
A) To look professional.
B) To impress other divers.
C) To ensure a safe and organized dive.
D) To make the dive more expensive.
  • 22. What is the best way to handle encountering marine life inside a wreck?
A) Chase them.
B) Feed them.
C) Try to touch them.
D) Observe from a distance and avoid disturbing them.
  • 23. What is a common term for a section of a wreck that has collapsed?
A) Pinch point
B) Swim through
C) Open water
D) Treasure trove
  • 24. What should you do if you see another diver in distress inside the wreck?
A) Assess the situation and offer assistance if safe to do so.
B) Panic and swim away.
C) Ignore them and continue your dive.
D) Immediately surface.
  • 25. Why is it important to have proper training for wreck diving?
A) Training isn't important.
B) To find treasure.
C) To understand and mitigate the risks involved.
D) To brag to your friends.
  • 26. What is the general depth range where most accessible shipwrecks are found?
A) Extremely deep, requiring specialized equipment.
B) Only in the deepest parts of the ocean.
C) Varies greatly depending on location.
D) Very shallow, close to shore.
  • 27. What is one advantage of using a dive computer during a wreck dive?
A) It translates fish language.
B) It tracks your depth, time, and nitrogen absorption.
C) It makes you a better swimmer.
D) It controls the underwater currents.
  • 28. What is a consideration regarding your exposure suit on a wreck dive?
A) It helps you float better.
B) It provides protection from cold water and sharp objects.
C) It's only for fashion.
D) It makes you invisible to sharks.
  • 29. When planning a wreck dive, what type of weather conditions are important to check?
A) Whether it's sunny or cloudy.
B) Air temperature.
C) The pollen count.
D) Sea state, wind, and visibility.
  • 30. What is the importance of a post-dive debriefing after a wreck dive?
A) To brag about your accomplishments.
B) To complain about the dive.
C) To discuss the dive, share observations, and learn from the experience.
D) It's not necessary.
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