Exam (elaborations)
SSI Open Water Diver Final Exam with 100% Correct Answers 2023
- Course
- Institution
SSI Open Water Diver Final Exam with 100% Correct Answers 2023
[Show more]
Content preview
SSI Open Water Diver Final Exam with 100% Correct Answers 2023Which of the statements concerning sound transmission underwater is incorrect?
-A: Sound will travel farther underwater then in air -B: Divers find it difficult to locate the direction of a sound producing source
-C: Divers find it easy to talk to each other directly through water -D: Sound travels four times faster underwater than in air - Correct Answer-C
The absolute pressure expressed in terms of atmospheres absolute at 33 feet in sea water is:
-A: 2 ata
-B:1 ata
-C: 4 ata -D: 3 ata - Correct Answer-A
The condition in which certain colors are diminished as depth increases is called:
-A: Refraction -B: Turbidity
-C: Diffusion
-D: Absorption - Correct Answer-D
Earplugs: -A: Aid equalization of the middle of the ear -B: Protect against cold
-C: Should never be worn while diving -D: Protect ears from squeeze - Correct Answer-C
Gauge pressure is defined as:
-A: Hydrostatic pressure minus 1 ata -B: The pressure at the surface
-C: The depth reading on a gauge -D: Absolute pressure minus 1 ata - Correct Answer-D
Sinus squeeze can be prevented by:
-A: Valsalva technique -B: Wearing earplugs -C: Tilting the divers head back and forth -D: Not diving with a cold - Correct Answer-D
The event that led to the use of the acronym SCUBA to describe diving was:
Development of what and when? - Correct Answer-Demand regulator in 1943
Ear squeeze can be prevented by -A: Relaxing -B: All answers are correct
-C: Never diving with a cold
-D: rotating the jaw, swallowing or Valsalva - Correct Answer-B
The first symptom of a sinus squeeze is usually:
-A: a dull pain deep within the head -B: a sharp pain at the base of the neck -C: a crushing pain high in the chest
-D: a sharp pain above the eyes - Correct Answer-D
If you experience pain in the ear during descent:
-A: Stop the descent and ascend till the pain stops
-B: abort the dive
-C: place a finger in the ear canal and gently massage the ear until the pain ceases
-D: continue the descent while gently exhaling into the mask - Correct Answer-A
Body heat is lost at a rate of ___ than air. - Correct Answer-25-30 times faster
Proper equalization techniques must be learned in order to:
-A: prevent sinus squeeze
-B: prevent ear pain
-C: prevent squeeze injuries
-D: all answers are correct - Correct Answer-D
Salt water weighs ___ pounds per cubic foot and freshwater weighs ___ pounds per cubic foot. - Correct Answer-64/62.5
Underwater, the bending of light rays causes objects to appear to be: - Correct Answer-
Closer
The purpose of equalization is to:
-A: ensure the uneven application of pressure between the water and air spaces in the body
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 professoraxel. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $10.99. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
82215 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now