PADI Open Water Diver Study guides, Class notes & Summaries

Open Water Diver Section 2 Exam Questions with Complete Solutions Underwater objects appear___ - Answer: larger and/or closer My buddy has a bright red shoulder patch on his wet suit. If we're diving together in very clear water on a sunny day, at 12 metres/40 feet I would expect the patch to appear___ - Answer: less red than at the surface While my buddy and I are diving, a motorboat passes by about 300 metres/yards away. What will the sound from the motorboat be like? - Answer: I may...

PADI Open Water Diving Section 3 Exam Questions with Complete Solutions I can enjoy diving in many different aquatic environments that include coral reefs, flooded quarries, and human-made dive environments. - Answer: True Conditions that may affect me while diving include. - Answer: temperature, water movement, sunlight, aquatic life, bottom composition In most (but not all) environments, as i go deeper the water gets - Answer: colder Particles made of fine material affect visibilit...

PADI Open Water Section 5 Exam Questions with Complete Solutions Why would I need to find a minimum surface interval? - Answer: Your objective might be very specific e.g. taking a photograph, or when dive site it slat, or may want enough time to make the dive worth it What are three ways I can find a minimum surface interval with a dive computer without using a dive table? - Answer: Wait and check Use the dive computer plan mode Use a tablet/smartphone app How can finding minimum inte...

PADI open water Exam Questions with Complete Solutions As I descend, I need to equalize air spaces. Which of the following are accepted ways of equalizing my ears? a. Block my nose and attempt to gently blow through it. b. Swallow and wiggle the jaw from side to side. c.Block my ncse and blow forcefully for an extended period. - Answer: a. block my nose and attempt to gently blow through it b. swallow & wiggle the jaw from side to side During a decent, I try to equalize but dis...

Open water dive manual (Scuba) Exam Questions with Complete Solutions A and B - Answer: As I descend, I need to equalize air spaces. Which of the following are accepted ways of equalizing my ears? a. Block my nose and attempt to gently blow through it b.Swallow and wiggle the jaw from side to side C. Block my nose and blow forcefully for an extended period of time B - Answer: During a descent, I try to equalize but discover I'm having trouble doing so. Which of the following is corr...

PADI Open Water Chapter#2 Knowledge Exam Questions with Complete Solutions Check one. "Underwater, objects appear __________, making them seem __________ and/or __________." a. minimized, smaller, further away. b. magnified, larger, closer. - Answer: b. magnified, larger, closer. Check one. Since it travels about four times faster in water than in air, you will have difficulty determining the origin of __________ underwater. a. Light b. Sound - Answer: b. Sound Fill in the...

PADI open water diver Exam Quuestions and Correct Answers as you descend in water the pressure - Answer: increases a depth change of 10 meters/33 feet causes a pressure chance of - Answer: 1 bar/ata if you take 6 liters of air from the surface to 20 meters/66feet, the volume will be - Answer: 2 litres a balloon fully inflated and sealed at 10 meters/33 feet, would probably _____ during ascent to the surface - Answer: burst as I descend, increasing pressure affects my - Answer: mas...

Padi Open Water Chapter 4 Exam Quuestions and Correct Answers What are five uses for a surface float - Answer: 1. resting 2. marking a dive site 3. assisting another diver 4. carrying things 5. supporting a dive flag What do you do to avoid entanglement in a line connected to a surface float - Answer: carry the line on a reel or line caddie Why should you use a dive flag - Answer: for safely when boat traffic may be a problem or when required by law How close should you stay to a...

Open Water Diver Section 1 Exam Quuestions and Correct Answers As you descend in water does the pressure increase, decrease, or stay the same? - Answer: increase A depth change of 10 metres/33 feet causes a pressure change of___ - Answer: 1 bar/ata If you take 6 litres of air from the surface to 20 metres/66 feet, the volume will be ___ litres - Answer: 2 The density of the air at 20 metres/66 feet would be ___ the density at the surface - Answer: three times A balloon fully infla...

Padi Open Water Chapter 1 Exam Questions and Complete Solutions Positive Buoyancy - Answer: The tendency of an object to float or rise in a fluid because the object weighs less than the fluid it displaces Neutral Buoyancy - Answer: A condition in which an object's mass equals the mass it displaces in a surrounding medium. The object neither sinks nor floats. Negative Buoyancy - Answer: The tendency of an object to sink in a fluid because the object weighs more than the fluid it displac...