SSI Open Water Final Exam- Questions With
Effective Solutions
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 Correct
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 Correct Answer - 2 ata
The condition in which certain colors are diminished as depth
increases is called:
-Refraction
-Turbidity
-Diffusion
-Absorption Correct Answer - Absorption
Earplugs
-Aid equalization of the middle of the ear
- Protect against cold
-Should never be worn while diving
-Protect ears from squeeze Correct 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
- Absolute pressure minus 1 ata Correct 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 Correct Answer - - Not diving with a
cold
The event that led to the use of the acronym SCUBA to describe
diving was: Correct 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 Correct Answer - -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 Correct Answer - - a sharp pain
above the eyes
If you experience pain in the ear during descent:
Effective Solutions
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 Correct
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 Correct Answer - 2 ata
The condition in which certain colors are diminished as depth
increases is called:
-Refraction
-Turbidity
-Diffusion
-Absorption Correct Answer - Absorption
Earplugs
-Aid equalization of the middle of the ear
- Protect against cold
-Should never be worn while diving
-Protect ears from squeeze Correct 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
- Absolute pressure minus 1 ata Correct 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 Correct Answer - - Not diving with a
cold
The event that led to the use of the acronym SCUBA to describe
diving was: Correct 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 Correct Answer - -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 Correct Answer - - a sharp pain
above the eyes
If you experience pain in the ear during descent:
