SSI OPEN WATER DIVER FINAL EXAM
2025/2026 QUESTIONS AND ANSWERS
100% PASS
Which 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 - ANS 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 - ANS A
The condition in which certain colors are diminished as depth increases is called:
-A: Refraction
-B: Turbidity
1 @COPYRIGHT 2025/2026
, -C: Diffusion
-D: Absorption - ANS 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 - ANS 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 - ANS 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 - ANS D
The event that led to the use of the acronym SCUBA to describe diving was:
Development of what and when? - ANS Demand regulator in 1943
2 @COPYRIGHT 2025/2026
2025/2026 QUESTIONS AND ANSWERS
100% PASS
Which 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 - ANS 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 - ANS A
The condition in which certain colors are diminished as depth increases is called:
-A: Refraction
-B: Turbidity
1 @COPYRIGHT 2025/2026
, -C: Diffusion
-D: Absorption - ANS 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 - ANS 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 - ANS 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 - ANS D
The event that led to the use of the acronym SCUBA to describe diving was:
Development of what and when? - ANS Demand regulator in 1943
2 @COPYRIGHT 2025/2026
