Dive Theory Practice Quiz for PADI IDC and IE
- What is the primary purpose of the Recreational Dive Planner (RDP)?
- A) To plan dive sites
- B) To calculate surface intervals
- C) To track underwater wildlife
- D) To manage dive time and depth to avoid decompression sickness
- According to Boyle’s Law, what happens to a diver’s air spaces as they descend?
- A) They expand
- B) They stay the same
- C) They contract
- D) They oscillate
- What is the most significant contributing factor to nitrogen narcosis?
- A) The depth of the dive
- B) The duration of the dive
- C) The temperature of the water
- D) The diver’s experience level
- Which of the following is a symptom of decompression sickness?
- A) Increased thirst
- B) Joint pain
- C) Frequent urination
- D) Improved vision
- What does the acronym BCD stand for in scuba diving?
- A) Buoyancy Control Device
- B) Breathing Compression Device
- C) Basic Conservation Directive
- D) Balanced Cylinder Deployment
- In the PADI system, what is the minimum age for obtaining the Open Water Diver certification?
- A) 10 years
- B) 12 years
- C) 15 years
- D) 18 years
- What is the primary function of a regulator in scuba diving?
- A) To filter water
- B) To control buoyancy
- C) To measure depth
- D) To deliver air at the correct pressure
- Which gas law explains why divers need to exhale when ascending?
- A) Charles’ Law
- B) Dalton’s Law
- C) Boyle’s Law
- D) Henry’s Law
- What is the recommended action if a diver experiences symptoms of hypothermia underwater?
- A) Continue the dive but avoid exertion
- B) Ascend immediately without a safety stop
- C) Signal the buddy, terminate the dive, and seek warmth
- D) Increase swimming speed to generate body heat
- What is the primary reason for conducting a safety stop during ascent?
- A) To check for marine life
- B) To adjust the diving gear
- C) To allow gases to safely off-gas from tissues
- D) To prepare for the next dive