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Quizzes > Quizzes for Business > Sports

Test Your Scuba Diving Center Trivia Quiz

Explore Diving Facility Facts with Interactive Trivia

Difficulty: Moderate
Questions: 20
Learning OutcomesStudy Material
Colorful paper art depicting scuba diving gear and marine life for a trivia quiz.

Ready to dive into some scuba diving trivia? This dive center quiz challenges you on equipment, protocols, and marine facts in a fun format ideal for dive students and hobbyists. By completing this quiz, participants will sharpen their understanding of dive center operations and safety best practices. You can freely modify any question in our editor to match your learning goals. Explore the Diving Safety Knowledge Assessment, take the Kinesiology and Scuba Diving Knowledge Assessment, or browse more quizzes to keep the adventure going!

What does the acronym BCD stand for?
Buoyancy Control Device
Basic Comfort Device
Breath Control Device
Buoyancy Compensation Device
A BCD, or Buoyancy Control Device, allows divers to adjust their buoyancy underwater. This piece of equipment helps maintain neutral, positive, or negative buoyancy during a dive.
Which piece of equipment covers the diver's eyes and nose underwater?
Mask
Fins
Wetsuit
Regulator
A mask creates an airspace in front of the diver's eyes and nose, enabling clear vision underwater. Other items like wetsuits and fins serve different functions.
What is the primary function of a regulator?
Provide buoyancy
Measure depth
Deliver air at ambient pressure
Signal the boat
A regulator reduces high-pressure air from the tank to ambient pressure so the diver can breathe comfortably. It does not control buoyancy or measure depth.
What is the buddy system in diving?
Using a backup air source
Diving with a group of five
A signal for ascending
Assigning dive buddies to monitor each other
The buddy system pairs divers so they can assist and monitor each other for safety. It is a critical procedure to manage emergencies and equipment issues.
What gas mixture is most commonly used in recreational scuba diving?
Compressed air
Nitrox
Helium
Pure oxygen
Compressed air is the standard gas mixture for recreational diving and contains about 21% oxygen and 79% nitrogen. Specialized mixes like Nitrox or helium blends are used for advanced or technical dives.
What instrument shows a diver their current depth?
Pressure gauge
Compass
Depth gauge
Timer
A depth gauge displays the diver's current depth underwater. A compass provides direction, and a pressure gauge shows tank pressure.
What is the purpose of a dive computer?
Control buoyancy
Calculate safe ascent profiles and no-decompression limits
Play music underwater
Measure body temperature
A dive computer continuously calculates decompression status, safe ascent rates, and no-decompression limits based on depth and time. It does not measure temperature or play audio.
Which pre-dive safety check follows the BWRAF mnemonic?
Buoyancy, Wetsuit, Regulator, Air, Fins
BCD, Weights, Releases, Air, Final check
Boat, Weather, Reef, Air, Fitness
Breathing, Weight, Release, Air, Fundamentals
BWRAF stands for BCD, Weights, Releases, Air, Final check, ensuring all systems are set before entering the water. Other mnemonics listed are incorrect.
What is the maximum safe ascent rate for recreational divers?
10 feet per minute
90 feet per minute
60 feet per minute
30 feet per minute
The recommended maximum ascent rate is 30 feet per minute to reduce the risk of decompression sickness. Faster rates can lead to nitrogen bubbles forming in tissues.
What does the dive flag typically indicate?
Diver(s) below surface
Wind speed
Current direction
Boat speed
A dive flag signals that divers are in the water below and warns vessels to keep clear. It does not provide information on currents or wind.
Nitrogen narcosis typically becomes noticeable at depths greater than:
100 feet
50 feet
200 feet
10 feet
Nitrogen narcosis effects often appear around 100 feet due to increased nitrogen partial pressure. Shallower depths are generally free of significant narcosis for most divers.
What is the recommended placement for a weight belt?
Around the chest
Over shoulders
Under the wetsuit back
Around the waist above the hips
A weight belt should sit around the waist just above the hips for comfort and security. Shoulder or chest placement can be unstable and unsafe.
When planning a dive in a marine protected area, divers should:
Feel free to touch corals for stability
Avoid touching or disturbing marine life
Collect small shells
Feed fish to attract them
Marine protected areas restrict touching or removing wildlife to preserve ecosystems. Divers should observe without physical contact.
In drift diving, divers primarily move:
In circles
Vertically only
With the current
Against the current
Drift diving involves riding along with the current while the boat follows from above. Moving against the current would negate the drift technique.
What does SPG stand for?
Submersible Pressure Gauge
Safety Performance Gear
Secondary Pressure Gauge
Scuba Pressure Guide
SPG stands for Submersible Pressure Gauge, which shows the remaining air pressure in the diver's tank. It is not referred to by the other names.
Which oxygen fraction corresponds to EANx36?
36%
32%
21%
50%
EANx36, or Nitrox 36, contains 36% oxygen and 64% nitrogen. Recreational Nitrox mixes often range between 32% and 36% oxygen.
According to the rule of thirds in overhead environments, how should a diver allocate gas?
One-third bottom time, one-third ascent, one-third descent
Divided equally among three divers
One-third for entry, one-third for exit, one-third reserve
One-third for ascent only
The rule of thirds allocates one-third of gas supply for penetration, one-third for exit, and one-third as a safety reserve. This method manages supply in overhead environments like caves or wrecks.
What causes decompression sickness?
Saltwater in lungs
Inhaling contaminated air
Low water temperature
Rapid ascent causing nitrogen bubbles in tissues
Decompression sickness results from ascending too quickly, which allows inert gas (mostly nitrogen) to form bubbles in tissues and bloodstream. Slow ascents and safety stops mitigate this risk.
At what depth underwater does breathing pure oxygen produce a PPO2 of 1.6 bar?
10 meters (33 feet)
6 meters (20 feet)
20 meters (66 feet)
4 meters (13 feet)
PPO2 equals the oxygen fraction times ambient pressure. For pure oxygen (fraction 1.0), a PPO2 of 1.6 bar occurs at an ambient pressure of 1.6 bar, which corresponds to about 6 meters (20 feet) of seawater.
A diver experiences a loud pop in the ears during descent and cannot equalize. What is the most appropriate immediate action?
Inflate BCD fully
Continue descent slowly
Increase descent speed
Ascend slightly until equalization is possible
If a diver cannot equalize, ascending slightly relieves pressure on the ears and allows equalization. Continuing descent or inflating the BCD can worsen ear barotrauma.
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Learning Outcomes

  1. Identify the key scuba diving equipment and functions
  2. Demonstrate basic dive safety procedures and best practices
  3. Apply knowledge of diving center protocols to real scenarios
  4. Evaluate marine environment considerations for divers
  5. Analyse common challenges in scuba diving operations

Cheat Sheet

  1. Understand the Function of a Buoyancy Compensator (BC) - The BC is like your underwater life jacket that you can inflate or deflate to zoom up or sink down with ease. It's key for staying neutrally buoyant and effortlessly gliding around like a graceful sea turtle. Wiki: Buoyancy Compensator
  2. Master the Use of a Diving Regulator - The regulator is your trusty gas delivery system that serves up air at the perfect pressure each time you inhale. Keep it tuned and well-maintained so you never run into a surprise air hiccup. Wiki: Diving Regulator
  3. Utilize Dive Computers for Safety - Dive computers are your electronic dive buddy, crunching numbers non-stop to keep you safe. They track depth, time, and decompression limits, ensuring you ascend at the right pace. Wiki: Dive Computer
  4. Perform Pre-Dive Safety Checks - Pre-dive safety checks are the ultimate warm-up routine - like checking your shoelaces before a race. Go through each piece of gear with your buddy, from straps to gauges, and enjoy the peace of mind that comes with being ready. Wiki: Buddy Check
  5. Adhere to the Buddy System - The buddy system is the golden rule of diving: two pairs of eyes see more than one! Stick close, communicate early if something feels off, and help each other out of tricky spots. Wiki: Buddy Diving
  6. Ascend Slowly and Perform Safety Stops - Ascend no faster than tortoise speed - about 30 feet per minute - to give your body time to off-gas nitrogen safely. Then pause at around 15 feet for a 3 - 5 minute safety stop, just like a mini-surface break underwater. Scuba Diving: 10 New Rules
  7. Plan Your Dive and Dive Your Plan - "Plan your dive and dive your plan" means mapping out your depth, time, and air limits before you ever splash in. Having a clear blueprint helps you manage air, avoid surprises, and still leave room for a spontaneous explore. DAN: Safe Diving Practices
  8. Monitor Your Air Supply Regularly - Your air gauge is your dive's fuel tank indicator - keep checking it every few minutes so you're never caught off-guard. Aim to use one-third of your air for descent, one-third while exploring, and reserve the last third for your ascent and safety stop. DAN: Air Management
  9. Equalize Your Ears Frequently - Equalizing early and often is like popping bubblegum to keep your ears comfortable on a roller coaster. Gently pinch, yawn, or do the Valsalva maneuver as you descend, and don't push through pain - if it hurts, ascend slightly and try again. PADI Blog: Golden Rules
  10. Wait Before Flying After Diving - After a dive, your body needs time to shed excess nitrogen before you hop on a plane. Waiting at least 12 to 24 hours lowers your risk of decompression sickness sky-high. PADI Blog: Flying After Diving
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