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SDI Open Water Scuba Diver Exam Questions and Answers | 100% Pass

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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...

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  • October 7, 2024
  • 10
  • 2024/2025
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EmillyCharlotte
EMILLYCHARLOTTE 2024/2025 ACADEMIC YAER
©2024 EMILLYCHARLOTTE. ALL RIGHTS RESERVED
FIRST PUBLISH SEPTEMBER 2024

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 does

As you descend - Answer✔✔-colors fade, reds and oranges fade first, 30 meters

seem blue and gray

water temp does your body need thermal protection - Answer✔✔-86 degrees

What does SCUBA mean - Answer✔✔-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. - Answer✔✔-Thermocline

What is the primary cause of waves? - Answer✔✔-wind

Which of the following factors do we take into account when measuring waves? -

Answer✔✔-Height, Length


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, EMILLYCHARLOTTE 2024/2025 ACADEMIC YAER
©2024 EMILLYCHARLOTTE. ALL RIGHTS RESERVED
FIRST PUBLISH SEPTEMBER 2024
Which of the following is incorrect? - Answer✔✔-Waves are not hazardous to divers

during shore dives

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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