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Exam (elaborations)

SDI Certification Exam Review Questions & Answers.

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  • Course
  • SDI Certification
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  • SDI Certification

SDI Certification Exam Review Questions & Answers.SDI Certification Exam Review Questions & Answers.SDI Certification Exam Review Questions & Answers.

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  • September 23, 2024
  • 3
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • SDI Certification
  • SDI Certification
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Lectjoe
SDI Certification Exam Review Questions &
Answers.
What should you do if you suddenly feel sick and develop a headache during a scuba
dive? - Correct Answer Abort dive and controlled ascent. Breathe fresh air or oxygen

As pressure increases - Correct Answer Volume decreases

What is the main purpose of a snorkel? - Correct Answer allows you to conserve air
from your scuba cylinder at long intervals of time at the surface

How do you know if your mask fits correctly? - Correct Answer will tighten to your face
and won't fall off via suction through your nose

Name one audible and one visual rescue signal device - Correct Answer Whistle/horn
Bright-colored lift bag

Name two basic fin designs - Correct Answer Full-foot and open-heel

What is the main difference between a wet suit and a dry suit? - Correct Answer Dry suit
is designed with an integrated inflation system to keep body completely out of contact
with water. Dry suits keep divers completely dry for use in cold water (below 50
degrees)

What extra attire can provide warmth? - Correct Answer Hood, hooded vests, boots,
gloves, caps

List the four functions of a dive computer - Correct Answer Depth, dive time, ascent
rate, and surface interval time

Define no-stop time - Correct Answer Amount of time remaining at any point during the
dive before a necessary decompression stop

What two ways do a PDC alert you on ascending too fast? - Correct Answer Blink and
ascent alarm

How do you determine a time limit a repetitive dive from a PDC? - Correct Answer
Surface mode shows depths ranging every ten feet with the no-stop time limits adjusted
for current depth

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