Exam (elaborations)
SSI open water final exam|53 Questions and Answers 2024
SSI open water final exam|53 Questions and Answers 2024
[Show more]
Content preview
SSI open water final exam|53Questions and Answers 2024
Which of the statements concerning sound transmission underwater is
incorrect?
-Sound will travel farther underwater then in air
-Divers find it difficult to locate the direction of a sound producing source
-Divers find it easy to talk to each other directly through water
-Sound travels four times faster underwater than in air - --Divers find it easy
to talk to each other directly through water
-The absolute pressure expressed in terms of atmospheres absolute at 33
feet in sea water is:
-2 ata
-1 ata
- 4 ata
- 3 ata - -2 ata
-The condition in which certain colors are diminished as depth increases is
called:
-Refraction
-Turbidity
-Diffusion
-Absorption - -Absorption
-Earplugs
-Aid equalization of the middle of the ear
- Protect against cold
-Should never be worn while diving
-Protect ears from squeeze - --Should never be worn while diving
-Gauge pressure is defined as:
- Hydrostatic pressure minus 1 ata
- The pressure at the surface
- The depth reading on a gauge
- Absolute pressure minus 1 ata - -- Absolute pressure minus 1 ata
-Sinus squeeze can be prevented by:
-Valsalva technique
- Wearing earplugs
- Tilting the divers head back and forth
- Not diving with a cold - -- Not diving with a cold
, -The event that led to the use of the acronym SCUBA to describe diving was:
- -The development of the demand regulator in 1943
-Ear squeeze can be prevented by
-Relaxing
-All answers are correct
- Never diving with a cold
- rotating the jaw, swallowing or Valsalva - --All answers are correct
-The first symptom of a sinus squeeze is usually:
- a dull pain deep within the head
- a sharp pain at the base of the neck
- a crushing pain high in the chest
- a sharp pain above the eyes - -- a sharp pain above the eyes
-If you experience pain in the ear during descent:
-Stop the descent and ascend till the pain stops
- abort the dive
-place a finger in the ear canal and gently massage the ear until the pain
ceases
- continue the descent while gently exhaling into the mask - -- continue the
descent while gently exhaling into the mask
-Body heat is lost at a rate of ___ than air. - -25-30 times faster
-Proper equalization techniques must be learned in order to:
-prevent sinus squeeze
-prevent ear pain
-prevent squeeze injuries
- all answers are correct - -- all answers are correct
-Salt water weighs ___ pounds per cubic foot and freshwater weighs ___
pounds per cubic foot. - -64/62.5
-Underwater, the bending of light rays causes objects to appear to be: - -
closer
-The purpose of equalization is to:
-ensure the uneven application of pressure between the water and air spaces
in the body
-prevent water from entering air spaces in the body
-introduce additional air into body air spaces in response to increasing
external pressure
-remove all fluids from body air spaces - --introduce additional air into body
air spaces in response to increasing external pressure
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 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 Victorious23. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for £8.23. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
63613 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy revision notes and other study material for 14 years now