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PADI IDC and IE Quiz 2: Best Quiz for IDC & IE Practise

PADI IDC and IE Exam Practise Quiz

Practising knowledge with questions and answers is the best way top keep your brain refreshed and ready to pass your PADI IDC and IE. Start your journey to becoming a certified diving instructor with this quiz! Test your knowledge on safety, equipment and skills.


  1. What is the most important rule in scuba diving?
    • A) Dive alone for safety
    • B) Always hold your breath while ascending
    • C) Never hold your breath while scuba diving
    • D) Ascend as fast as possible
  2. Which of these is a sign of decompression sickness?
    • A) Increased appetite
    • B) Joint pain
    • C) Dry mouth
    • D) Improved vision
  3. What does the acronym BCD stand for in scuba diving?
    • A) Buoyancy Control Device
    • B) Breathing Capacity Device
    • C) Basic Compression Depth
    • D) Balanced Cylinder Device
  4. At what depth does nitrogen narcosis typically begin to affect divers?
    • A) 10 meters/33 feet
    • B) 30 meters/100 feet
    • C) 60 meters/200 feet
    • D) 90 meters/300 feet
  5. What is the primary purpose of a dive computer?
    • A) To communicate underwater
    • B) To track dive time and depth
    • C) To measure the water temperature
    • D) To display underwater maps
  6. In the PADI system, what is the minimum age for obtaining the Junior Open Water Diver certification?
    • A) 8 years
    • B) 10 years
    • C) 12 years
    • D) 15 years
  7. Which gas law is most relevant to a diver ascending to the surface?
    • A) Charles’ Law
    • B) Dalton’s Law
    • C) Boyle’s Law
    • D) Henry’s Law
  8. What is the primary function of a regulator in scuba diving?
    • A) To regulate body temperature
    • B) To control buoyancy
    • C) To deliver air at ambient pressure
    • D) To filter impurities from the air
  9. What should a diver do if they experience an out-of-air situation?
    • A) Swim rapidly to the surface
    • B) Signal a buddy and share air
    • C) Hold their breath and ascend
    • D) Continue diving to finish the dive plan
  10. Which of the following is NOT a standard safety practice in scuba diving?
    • A) Performing a safety stop
    • B) Ascending faster than your bubbles
    • C) Checking air supply regularly
    • D) Diving with a buddy
  11. What is the maximum recommended ascent rate according to PADI standards?
    • A) 9 meters/30 feet per minute
    • B) 12 meters/40 feet per minute
    • C) 18 meters/60 feet per minute
    • D) 24 meters/80 feet per minute
  12. For a dive to 18 meters/60 feet, what is the maximum no-decompression limit using air according to the PADI Recreational Dive Planner?
    • A) 20 minutes
    • B) 30 minutes
    • C) 45 minutes
    • D) 55 minutes

We hope you found this quiz both challenging and informative. Whether you’re preparing for the PADI IDC and IE exams or just refreshing your knowledge as a scuba diving instructor, it’s always important to stay sharp and informed. Keep diving, keep learning, and stay safe under the waves!


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