Snorkeling: Mask Fitting Tips

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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?

To act as a personal flotation device Signup and view all the answers

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

Rash guards provide more effective UV protection Signup and view all the answers

What is the primary function of the snorkel tube?

To allow the snorkeler to breathe while their face is submerged Signup and view all the answers

What is the most common underwater kick used in snorkeling?

Basic flutter kick Signup and view all the answers

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

Head-first dive Signup and view all the answers

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

Pinch-blow nose technique Signup and view all the answers

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

Blow air out through the nose 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?

Lift the head out of the water and pull the front of the mask forward Signup and view all the answers

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

Press the top of the mask to the forehead and blow out through the nose Signup and view all the answers

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

To ensure all gears are functioning properly Signup and view all the answers

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

Check and familiarize themselves with it Signup and view all the answers

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

Securing weight pockets in the BCD firmly Signup and view all the answers

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

Clearly visible and unencumbered Signup and view all the answers

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

For safety and buoyancy control Signup and view all the answers

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

To secure them before entering water Signup and view all the answers

What is a recommended item for cold water kayaking?

Wetsuits Signup and view all the answers

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

Helmet Signup and view all the answers

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

Short string or rope Signup and view all the answers

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

Bilge pump and bailing device Signup and view all the answers

What should one bring for emergency situations while kayaking?

Duct tape Signup and view all the answers

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

In a dry or waterproof bag Signup and view all the answers

Who invented the first workable, full-time SCUBA?

William James Signup and view all the answers

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

An air reservoir at 450 psi Signup and view all the answers

What did German-born inventor Augustus Siebe innovate?

A closed diving suit to complete the diving helmet of Deane Signup and view all the answers

What did Henry A. Fleuss develop?

The first self-contained diving gear that used compressed oxygen and not compressed air Signup and view all the answers

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

A car regulator Signup and view all the answers