New Diver Basics

Select an answer for every question, then review your results.

0 of 19 answered

1. What is the approximate oxygen percentage in normal atmospheric air?10%21%50%78%

2. Which compass part is rotated to set the desired heading?Lubber lineCompass bezelNeedle pivotCompass body

3. For a newly certified adult Open Water Diver trained to the common recreational training limit, what is the typical maximum depth?40 feet / 12 meters60 feet / 18 meters100 feet / 30 meters130 feet / 40 meters

4. What is the best way to determine your required scuba weights?Use ten percent of body weightUse the same weights as your buddyPerform a proper weight check with suitable guidanceAlways wear the maximum available

5. What should you do if your ears hurt while descending?Descend fasterStop descending and gently equalizeIgnore itRemove your mask

6. What is the safest rule for breathing underwater on scuba?Hold your breath when ascendingBreathe continuously and never hold your breathTake one breath every minuteSkip breathing during ascent

7. Before entering the water, you and your buddy should:Check each other’s equipmentSkip checks if experiencedOnly check the cameraWait until underwater

8. What is the primary purpose of a pre-dive buddy check?Measure underwater visibilityIdentify equipment or configuration issues before enteringDetermine the final dive depthReplace the dive briefing

9. How should a diver breathe while using scuba underwater?Hold the breath during every ascentContinuously and normally without holding the breathTake rapid shallow breaths at depthPause breathing to control buoyancy

10. What should you do if equalization becomes painful on descent?Descend faster to clear your earsStop descent and ascend slightly if neededPinch your nose and forcefully blow harderIgnore it until reaching the bottom

11. Why should you monitor your submersible pressure gauge?To measure water temperatureTo keep track of remaining breathing gasTo determine current directionTo find the entry point

12. What does a dive computer primarily help a diver monitor?Surface wind speed and forecastDepth, time and decompression-related informationCylinder oxygen purity automaticallyNearby diver certifications

13. Which action is appropriate when you are unsure of a hand signal?Invent a signal while underwaterClarify the meaning with your buddy before the diveAssume every diver knows the same signalsIgnore unclear signals

14. What is a safe response if you feel anxious before entering the water?Hide the concern so the group is not delayedPause and discuss concerns with your buddy or instructorSkip the buddy check to get movingImmediately descend below the group

15. Which factor can make a shore entry hazardous?A completed buddy checkBreaking surf and strong currentsA properly fitted maskA checked pressure gauge

16. What is a key purpose of the surface marker buoy?Increase breathing-gas supplyImprove a diver’s visibility to surface trafficMeasure cylinder pressureReplace a dive light

17. What is a sensible way to begin diving at an unfamiliar site?Use the maximum depth possibleObtain a local briefing and plan conservativelySkip the dive plan if visibility is goodAssume conditions match your last dive

18. When should you review your exit plan?Only after you become low on gasBefore entering the waterOnly when your buddy surfacesAfter removing the fins

19. What should you do when your training or experience does not match planned conditions?Continue because a friend is comfortableChoose a more suitable dive or obtain trainingDepend entirely on your camera lightExtend the dive until you feel confident

Your quiz results

Enter your details to receive your score on screen. SCDiving staff can review your completion in the private admin dashboard.

Full nameEmail address