2
SSI Open Water Diver Written Exam with precise
|| || || || || || || ||
detailed answers ||
Proper equalization techniques must be learned in order to:
|| || || || || || || ||
A. Prevent squeeze injuries
|| || ||
B. Prevent ear pain
|| || ||
C. Prevent sinus squeeze
|| || ||
D. All answers are correct - ✔✔D. All answers are correct
|| || || || || || || || || ||
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 - ✔✔C. Divers find it easy to talk to
|| || || || || || || || || || || || || || || || || || ||
each other directly through water
|| || || ||
Saltwater weighs ___ pounds per cubic foot and freshwater weighs ___pounds per cubic foot.
|| || || || || || || || || || || || ||
A. 65/68
||
B. 54/50
||
C. 64/62.5
||
D. They both weight the same - ✔✔C. 64/62.5
|| || || || || || || ||
Earplugs:
A. Aid equalization of the middle of the ear
|| || || || || || || ||
B. Should never be worn while diving
|| || || || || ||
C. Protect against cold
|| || ||
D. Prevent ears from squeeze - ✔✔B. Should never be worn while diving
|| || || || || || || || || || || ||
,2
The condition in which certain colors are diminished as depth increases is called:
|| || || || || || || || || || || ||
A. Absorption
||
B. Refraction
||
C. Turbidity
||
D. Diffusion - ✔✔A. Absorption
|| || || ||
The first symptom of a sinus squeeze is usually:
|| || || || || || || ||
A. A dull pain deep within the head
|| || || || || || ||
B. A sharp pain at the base of the neck
|| || || || || || || || ||
C. A sharp pain or wedging sensation above the eyes
|| || || || || || || || ||
D. A crushing pain high in the chest - ✔✔C. A sharp pain or wedging sensation above the eyes
|| || || || || || || || || || || || || || || || || ||
Ear squeeze can be prevented by:
|| || || || ||
A. Relaxing
||
B. Never diving with a cold
|| || || || ||
C. Rotating the jaw, swallowing, or Valsalva
|| || || || || ||
D. All answers are correct - ✔✔D. All answers are correct
|| || || || || || || || || ||
Sinus squeeze can be prevented by:
|| || || || ||
A. Not diving with a cold
|| || || || ||
B. Valsalva technique
|| ||
C. Wearing ear plugs
|| || ||
D. Tilting the divers head back and forth - ✔✔A. Not diving with a cold
|| || || || || || || || || || || || || ||
The purpose of equalization is to:
|| || || || ||
A. Ensure the uneven application of pressure between the water and air spaces in the body
|| || || || || || || || || || || || || || ||
, 2
B. Prevent water from entering air spaces in the body
|| || || || || || || || ||
C. Introduce additional air into body air spaces in response to increasing external pressure
|| || || || || || || || || || || || ||
D. Remove all fluids from body air spaces - ✔✔C. Introduce additional air into body air spaces in
|| || || || || || || || || || || || || || || || || ||
response to increasing external pressure
|| || || ||
Absolute pressure is defined as: || || || ||
A. Total Pressure Exerted on an Object
|| || || || || ||
B. The weight of the water that surrounds the diver
|| || || || || || || || ||
C. The pressure at the surface plus 1 ata
|| || || || || || || ||
D. All Answers are correct - ✔✔A. Total Pressure Exerted on an Object
|| || || || || || || || || || || ||
One atmosphere of pressure is defined as:
|| || || || || ||
A. 1 bar
|| ||
B. Each 34ft of depth in fresh water
|| || || || || || ||
C. Each 33ft of depth in sea water
|| || || || || || ||
D. All answers are correct - ✔✔D. All answers are correct
|| || || || || || || || || ||
Gauge pressure is defined as:
|| || || ||
A. The depth reading on a gauge
|| || || || || ||
B. The pressure at the surface
|| || || || ||
C. Hydrostatic pressure minus 1 ata
|| || || || ||
D. Absolute pressure minus 1 ata - ✔✔D. Absolute pressure minus 1 ata
|| || || || || || || || || || || ||
The greatest relative pressure change in seawater takes place between ____ and ____ feet.
|| || || || || || || || || || || || ||
A. 0/33
||
B. 33/66
||
C. 66/99
||
SSI Open Water Diver Written Exam with precise
|| || || || || || || ||
detailed answers ||
Proper equalization techniques must be learned in order to:
|| || || || || || || ||
A. Prevent squeeze injuries
|| || ||
B. Prevent ear pain
|| || ||
C. Prevent sinus squeeze
|| || ||
D. All answers are correct - ✔✔D. All answers are correct
|| || || || || || || || || ||
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 - ✔✔C. Divers find it easy to talk to
|| || || || || || || || || || || || || || || || || || ||
each other directly through water
|| || || ||
Saltwater weighs ___ pounds per cubic foot and freshwater weighs ___pounds per cubic foot.
|| || || || || || || || || || || || ||
A. 65/68
||
B. 54/50
||
C. 64/62.5
||
D. They both weight the same - ✔✔C. 64/62.5
|| || || || || || || ||
Earplugs:
A. Aid equalization of the middle of the ear
|| || || || || || || ||
B. Should never be worn while diving
|| || || || || ||
C. Protect against cold
|| || ||
D. Prevent ears from squeeze - ✔✔B. Should never be worn while diving
|| || || || || || || || || || || ||
,2
The condition in which certain colors are diminished as depth increases is called:
|| || || || || || || || || || || ||
A. Absorption
||
B. Refraction
||
C. Turbidity
||
D. Diffusion - ✔✔A. Absorption
|| || || ||
The first symptom of a sinus squeeze is usually:
|| || || || || || || ||
A. A dull pain deep within the head
|| || || || || || ||
B. A sharp pain at the base of the neck
|| || || || || || || || ||
C. A sharp pain or wedging sensation above the eyes
|| || || || || || || || ||
D. A crushing pain high in the chest - ✔✔C. A sharp pain or wedging sensation above the eyes
|| || || || || || || || || || || || || || || || || ||
Ear squeeze can be prevented by:
|| || || || ||
A. Relaxing
||
B. Never diving with a cold
|| || || || ||
C. Rotating the jaw, swallowing, or Valsalva
|| || || || || ||
D. All answers are correct - ✔✔D. All answers are correct
|| || || || || || || || || ||
Sinus squeeze can be prevented by:
|| || || || ||
A. Not diving with a cold
|| || || || ||
B. Valsalva technique
|| ||
C. Wearing ear plugs
|| || ||
D. Tilting the divers head back and forth - ✔✔A. Not diving with a cold
|| || || || || || || || || || || || || ||
The purpose of equalization is to:
|| || || || ||
A. Ensure the uneven application of pressure between the water and air spaces in the body
|| || || || || || || || || || || || || || ||
, 2
B. Prevent water from entering air spaces in the body
|| || || || || || || || ||
C. Introduce additional air into body air spaces in response to increasing external pressure
|| || || || || || || || || || || || ||
D. Remove all fluids from body air spaces - ✔✔C. Introduce additional air into body air spaces in
|| || || || || || || || || || || || || || || || || ||
response to increasing external pressure
|| || || ||
Absolute pressure is defined as: || || || ||
A. Total Pressure Exerted on an Object
|| || || || || ||
B. The weight of the water that surrounds the diver
|| || || || || || || || ||
C. The pressure at the surface plus 1 ata
|| || || || || || || ||
D. All Answers are correct - ✔✔A. Total Pressure Exerted on an Object
|| || || || || || || || || || || ||
One atmosphere of pressure is defined as:
|| || || || || ||
A. 1 bar
|| ||
B. Each 34ft of depth in fresh water
|| || || || || || ||
C. Each 33ft of depth in sea water
|| || || || || || ||
D. All answers are correct - ✔✔D. All answers are correct
|| || || || || || || || || ||
Gauge pressure is defined as:
|| || || ||
A. The depth reading on a gauge
|| || || || || ||
B. The pressure at the surface
|| || || || ||
C. Hydrostatic pressure minus 1 ata
|| || || || ||
D. Absolute pressure minus 1 ata - ✔✔D. Absolute pressure minus 1 ata
|| || || || || || || || || || || ||
The greatest relative pressure change in seawater takes place between ____ and ____ feet.
|| || || || || || || || || || || || ||
A. 0/33
||
B. 33/66
||
C. 66/99
||
