Snorkeling: Mask Fitting Tips

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Questions and Answers

What is the purpose of checking the seal of the mask with the snorkel in your mouth?

  • To ensure the mask fits properly and maintains a seal when breathing through the snorkel (correct)
  • To test the buoyancy of the snorkel and mask combination
  • To determine if the snorkel is the correct length for your face
  • To check if the snorkel is compatible with the mask design

What is the main purpose of snorkeling fins?

  • To protect the feet from sharp objects
  • To create propulsion through water resistance (correct)
  • To allow for deeper diving
  • To provide additional buoyancy

Why is the airspace created in the mask important for seeing clearly underwater?

  • It helps refract light to correct distortion (correct)
  • It prevents water from entering the mask
  • It allows for better buoyancy control
  • It creates a pocket of air to hold your breath

What is the main purpose of a snorkeling vest?

<p>To act as a personal flotation device (A)</p> Signup and view all the answers

Why is a rash guard a better choice than sunscreen for skin protection while snorkeling?

<p>Rash guards provide more effective UV protection (B)</p> Signup and view all the answers

What is the primary function of the snorkel tube?

<p>To allow the snorkeler to breathe while their face is submerged (B)</p> Signup and view all the answers

What is the most common underwater kick used in snorkeling?

<p>Basic flutter kick (A)</p> Signup and view all the answers

Which diving technique is described as causing an uncomfortable sensation and potential pain in the ears?

<p>Head-first dive (D)</p> Signup and view all the answers

What technique is recommended to equalize pressure in the ears while diving?

<p>Pinch-blow nose technique (B)</p> Signup and view all the answers

If the snorkel mask has a purge valve, how should water be cleared from the mask while underwater?

<p>Blow air out through the nose (C)</p> Signup and view all the answers

What should be done if water starts filling the snorkel mask while the head is out of the water?

<p>Lift the head out of the water and pull the front of the mask forward (B)</p> Signup and view all the answers

How should water be cleared from a snorkel mask without a purge valve while underwater?

<p>Press the top of the mask to the forehead and blow out through the nose (D)</p> Signup and view all the answers

What is the purpose of the pre-dive safety check?

<p>To ensure all gears are functioning properly (D)</p> Signup and view all the answers

During the pre-dive safety check, what should divers do with each other's gear?

<p>Check and familiarize themselves with it (B)</p> Signup and view all the answers

What is an essential step in checking the weights during the pre-dive safety check?

<p>Securing weight pockets in the BCD firmly (A)</p> Signup and view all the answers

What should be visible for the quick-release system of the weights during the pre-dive safety check?

<p>Clearly visible and unencumbered (D)</p> Signup and view all the answers

Why should divers know how to release weights in an emergency?

<p>For safety and buoyancy control (B)</p> Signup and view all the answers

What is the purpose of checking the BCD's clips during the pre-dive safety check?

<p>To secure them before entering water (A)</p> Signup and view all the answers

What is a recommended item for cold water kayaking?

<p>Wetsuits (D)</p> Signup and view all the answers

Which gear is essential for protecting the head while paddling in rocky areas?

<p>Helmet (B)</p> Signup and view all the answers

What should a water bottle used for kayaking have attached to it?

<p>Short string or rope (A)</p> Signup and view all the answers

Which equipment is more specific for sea kayaking in open waters?

<p>Bilge pump and bailing device (B)</p> Signup and view all the answers

What should one bring for emergency situations while kayaking?

<p>Duct tape (A)</p> Signup and view all the answers

Where should one keep extra clothes and energy food while paddling?

<p>In a dry or waterproof bag (D)</p> Signup and view all the answers

Who invented the first workable, full-time SCUBA?

<p>William James (C)</p> Signup and view all the answers

What did the cylindrical belt around the diver's trunk serve as in William James' SCUBA design?

<p>An air reservoir at 450 psi (D)</p> Signup and view all the answers

What did German-born inventor Augustus Siebe innovate?

<p>A closed diving suit to complete the diving helmet of Deane (C)</p> Signup and view all the answers

What did Henry A. Fleuss develop?

<p>The first self-contained diving gear that used compressed oxygen and not compressed air (A)</p> Signup and view all the answers

What did Jacques Cousteau and Emile Gagnan redesign to provide compressed air to divers?

<p>A car regulator (B)</p> Signup and view all the answers

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