Objects under water appear - Closer and larger than they do on land
How much faster does sound travel in water, compared to air? - 4 times
Water conducts heat away from your body - 25 times faster than air does
As you descend - colors fade, reds and oranges fade first, 30 meters seem blue and gr...
SDI Open Water Scuba Diver Exam | Questions with 100% Correct Answers | Verified | Latest Update 2024 Objects under water appear - ✔✔Closer and larger than they do on land How much faster does sound travel in water, compared to air? - ✔✔4 times Water conducts heat away from your body - ✔✔25 times faster than air does As you descend - ✔✔colors fade, reds and oranges fade first, 30 meters seem blue and gray water temp does your body need thermal protection - ✔✔86 degrees What does SCUBA mean - ✔✔self-contained underwater breathing apparatus When water stratifies itself into layers, according to temperature, the boundary between layers is known as a(n): 1: Halocline. 2: Ichtyocline. 3: Thermodyne. 4: Thermocline. - ✔✔Thermocline What is the primary cause of waves? - ✔✔wind Which of the following factors do we take into account when measuring waves? - ✔✔Height, Length Which of the following is incorrect? - ✔✔Waves are not hazardous to divers during shore dives The consequences of becoming cold under water include the following except - ✔✔improved judgment and coordination Because sound travels faster under water: - ✔✔Its harder to determine the direction from which a sound is coming Entering through surf requires special skills. These skills are often included in beginning scuba course taught in areas in which surf entries are common - ✔✔true which of the following are true - ✔✔Surge is the back -and-forth movement of water caused by passing over head Which of the following are true - ✔✔The sun warming water near the equator, coupled with the earth's rotation, is the primary cause of permanent ocean currents despite its apparent warmth, divers in warm waters still need to consider to wear protection - ✔✔true longshore currents always move in the same direction as prevailing offshore currents - ✔✔false a rip current is a narrow flow of swiftly moving water that runs parallel to shore - ✔✔false the trick to dealing with surge is to anticipate its action in order to avoid contact with stationary objects - ✔✔true what is the most effective way to get out of a rip current - ✔✔swim parallel to shore, until out of current the best time to dive is during a slack tide - ✔✔true we pose greater threat to underwater plants and animals - ✔✔true
Les avantages d'acheter des résumés chez Stuvia:
Qualité garantie par les avis des clients
Les clients de Stuvia ont évalués plus de 700 000 résumés. C'est comme ça que vous savez que vous achetez les meilleurs documents.
L’achat facile et rapide
Vous pouvez payer rapidement avec iDeal, carte de crédit ou Stuvia-crédit pour les résumés. Il n'y a pas d'adhésion nécessaire.
Focus sur l’essentiel
Vos camarades écrivent eux-mêmes les notes d’étude, c’est pourquoi les documents sont toujours fiables et à jour. Cela garantit que vous arrivez rapidement au coeur du matériel.
Foire aux questions
Qu'est-ce que j'obtiens en achetant ce document ?
Vous obtenez un PDF, disponible immédiatement après votre achat. Le document acheté est accessible à tout moment, n'importe où et indéfiniment via votre profil.
Garantie de remboursement : comment ça marche ?
Notre garantie de satisfaction garantit que vous trouverez toujours un document d'étude qui vous convient. Vous remplissez un formulaire et notre équipe du service client s'occupe du reste.
Auprès de qui est-ce que j'achète ce résumé ?
Stuvia est une place de marché. Alors, vous n'achetez donc pas ce document chez nous, mais auprès du vendeur ClassHero. Stuvia facilite les paiements au vendeur.
Est-ce que j'aurai un abonnement?
Non, vous n'achetez ce résumé que pour 8,12 €. Vous n'êtes lié à rien après votre achat.
