SDI Certification Exam Review Questions and Correct Answers the Latest Update and Recommended Version
5 views 0 purchase
Course
SDI
Institution
SDI
What does SCUBA stand for?
→ Self
→ Contained
→ Underwater
→ Breathing
→ Apparatus
List the three important scuba diving changes that occurred in the 1950s
→ 1) Dive tables published for repetitive dives
→ 2) Improved design/quality of scuba gear
→ 3) Dive computers comme...
→ 4 times faster in water
→ Water is 800x denser than air; sound travels through denser mediums at faster rates
What is the first color absorbed underwater?
→ RED (followed by OYGBIV)
When diving from shore, the best time to dive is when there is the least amount of tidal
current. _____ tide is when there is no horizontal water movement.
→ Slack
If you are caught in a rip current, first swim _____ to the current to get out of it before
swimming towards shore.
→ Perpendicular
Start your dive by swimming ____ the current
→ into/against
Global currents are _____.
Local currents ____.
→ Fixed
→ Fluctuate
Rip current
→ Current which goes seaward due to ocean floor stuctures
Long shore current
1|Page| GradeA+ | 2 0 0 2 5
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 TestTrackers. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $10.49. You're not tied to anything after your purchase.
