SSI OPEN WATER DIVER FINAL |ACTUAL
QUESTIONS AND VERIFIED ANSWERS|BRAND NEW
2026-2027 UPDATE|GRADED A+
Question 1
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
CORRECT ANSWER
C
Question 2
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
Question 3
1
@https://www.stuvia.com/user/thestudyvault
,The condition in which certain colors are diminished as depth increases is called:
-A: Refraction
-B: Turbidity
-C: Diffusion
-D: Absorption
CORRECT ANSWER
D
Question 4
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
Question 5
Gauge pressure is defined as:
-A: Hydrostatic pressure minus 1 ata
-B: The pressure at the surface
-C: The depth reading on a gauge
2
@https://www.stuvia.com/user/thestudyvault
, -D: Absolute pressure minus 1 ata
CORRECT ANSWER
D
Question 6
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
Question 7
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
Question 8
Ear squeeze can be prevented by
3
@https://www.stuvia.com/user/thestudyvault
QUESTIONS AND VERIFIED ANSWERS|BRAND NEW
2026-2027 UPDATE|GRADED A+
Question 1
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
CORRECT ANSWER
C
Question 2
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
Question 3
1
@https://www.stuvia.com/user/thestudyvault
,The condition in which certain colors are diminished as depth increases is called:
-A: Refraction
-B: Turbidity
-C: Diffusion
-D: Absorption
CORRECT ANSWER
D
Question 4
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
Question 5
Gauge pressure is defined as:
-A: Hydrostatic pressure minus 1 ata
-B: The pressure at the surface
-C: The depth reading on a gauge
2
@https://www.stuvia.com/user/thestudyvault
, -D: Absolute pressure minus 1 ata
CORRECT ANSWER
D
Question 6
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
Question 7
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
Question 8
Ear squeeze can be prevented by
3
@https://www.stuvia.com/user/thestudyvault