SDI Open Water Scuba Diver Exam Questions and Answers | 100% Pass
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Course
SDI
Institution
SDI
SDI Open Water Scuba Diver Exam
Questions and Answers | 100% Pass
Objects under water appear - Answer-Closer and larger than they do on land
How much faster does sound travel in water, compared to air? - Answer-4 times
Water conducts heat away from your body - Answer-25 times faster than air do...
The consequences of becoming cold under water include the following except -
Answer✔✔-improved judgment and coordination
Because sound travels faster under water: - Answer✔✔-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 - Answer✔✔-true
which of the following are true - Answer✔✔-Surge is the back-and-forth movement of
water caused by passing over head
Which of the following are true - Answer✔✔-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 - Answer✔✔-true
longshore currents always move in the same direction as prevailing offshore currents -
Answer✔✔-false
a rip current is a narrow flow of swiftly moving water that runs parallel to shore -
Answer✔✔-false
the trick to dealing with surge is to anticipate its action in order to avoid contact with
stationary objects - Answer✔✔-true
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