SSI Open Water Diver - Section 1 Questions and Correct Answers/ Latest Update / Already Graded

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SSI Open Water Diver - Section 1
Questions and Correct Answers/ Latest
Update / Already Graded
If a flexible air-filled container has a volume of 40 cu ft on the surface,
what would the volume be at 99 feet in sea water? (rounded off)

Ans: 10 cu ft


Earplugs

Ans: Should never be worn when diving


Proper equalization techniques must be learned in order to:

Ans: 1) Prevent squeeze injuries


2) Prevent ear pain


3) Prevent sinus squeeze


The purpose of equalization is to:

Ans: Introduce additional air into body air spaces in response
to increasing external pressure



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The greatest relative pressure change in sea water takes place between
___ and ___ feet.

Ans: 0 and 33 feet


Underwater, the bending of light rays causes objects to appear to be:

Ans: Closer


The first symptom of a sinus squeeze is usually:

Ans: A sharp pain or wedging sensation above the eyes


Describing diving with the acronym SCUBA came from what event?

Ans: The development of the demand regulator in 1943


Sinus squeeze can be prevented by:

Ans: Not diving with a cold


Gauge pressure is defined as:

Ans: Absolute pressure minus 1 ATA




All rights reserved © 2025/ 2026 |