SSI Open Water Final Exam 2024/2025
Exam Questions and Answers | A+
Score Assured
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 - 🧠 ANSWER ✔✔-
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 - 🧠 ANSWER ✔✔2 ata
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STATEMENT. ALL RIGHTS RESERVED
,The condition in which certain colors are diminished as depth increases is
called:
-Refraction
-Turbidity
-Diffusion
-Absorption - 🧠 ANSWER ✔✔Absorption
Earplugs
-Aid equalization of the middle of the ear
- Protect against cold
-Should never be worn while diving
-Protect ears from squeeze - 🧠 ANSWER ✔✔-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
COPYRIGHT©NINJANERD 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
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STATEMENT. ALL RIGHTS RESERVED
, - Absolute pressure minus 1 ata - 🧠 ANSWER ✔✔- 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 - 🧠 ANSWER ✔✔- Not diving with a cold
The event that led to the use of the acronym SCUBA to describe diving
was: - 🧠 ANSWER ✔✔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 - 🧠 ANSWER ✔✔-All answers are
correct
The first symptom of a sinus squeeze is usually:
COPYRIGHT©NINJANERD 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
3
STATEMENT. ALL RIGHTS RESERVED
Exam Questions and Answers | A+
Score Assured
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 - 🧠 ANSWER ✔✔-
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 - 🧠 ANSWER ✔✔2 ata
COPYRIGHT©NINJANERD 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
1
STATEMENT. ALL RIGHTS RESERVED
,The condition in which certain colors are diminished as depth increases is
called:
-Refraction
-Turbidity
-Diffusion
-Absorption - 🧠 ANSWER ✔✔Absorption
Earplugs
-Aid equalization of the middle of the ear
- Protect against cold
-Should never be worn while diving
-Protect ears from squeeze - 🧠 ANSWER ✔✔-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
COPYRIGHT©NINJANERD 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
2
STATEMENT. ALL RIGHTS RESERVED
, - Absolute pressure minus 1 ata - 🧠 ANSWER ✔✔- 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 - 🧠 ANSWER ✔✔- Not diving with a cold
The event that led to the use of the acronym SCUBA to describe diving
was: - 🧠 ANSWER ✔✔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 - 🧠 ANSWER ✔✔-All answers are
correct
The first symptom of a sinus squeeze is usually:
COPYRIGHT©NINJANERD 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
3
STATEMENT. ALL RIGHTS RESERVED
