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
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller Lectjoe. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $20.49. You're not tied to anything after your purchase.