SSI Open Water Diver exam with correct
answers
One atmosphere of pressure is defined as:
a) Each 34 feet of depth in freshwater
b) each 33 ft. of depth in saltwater
c) 1 ata
d) All answers are correct. - ANSWER: ➡ All answers are correct
The absolute pressure expressed in terms of atmospheres absolute at 33 ft. in sea water is:
a) 1 ata
b) 3 ata
c) 2 ata
d) 4 ata - ANSWER: ➡ 2 ata
Underwater, the bending of light rays causes objects to appear to be:
a) closer
,b) the same as the surface
c) At an angle consistent with the bend of the light
d) Farther away - ANSWER: ➡ Closer
If you experience pain in your ears during descent:
a) Place a finger in the ear canal and gently massage the ear until the pain ceases.
b) Continue the descent while gently exhaling into the mask
c) Abort the dive
d) Stop the descent and ascend until the pain stops. - ANSWER: ➡ Stop the descent and ascend until
the pain stops.
Sinus squeeze can be prevented by:
a) Not diving with a cold
b) Wearing earplugs
c) Tilting the divers head back and forth
d) The Valsalva technique - ANSWER: ➡ Not diving with a cold
Ear squeeze can be prevented by:
,a) Rotating the jaw, swallowing or Valsalva
b) All answers are correct
c) Never diving with a cold
d) Relaxing - ANSWER: ➡ All answers are correct
The purpose of equalization is to:
a) Remove all fluids from body air spaces
b) Introduce additional air into body air spaces in response to increasing external pressure
c) Ensure the uneven application of pressure between the water and air space in the body
d) Prevent water from entering air spaces in the body - ANSWER: ➡ Introduce additional air into
body air spaces in response to increasing external pressure
Describing diving with the acronym SCUBA came from what event?
a) The development of air pumps in the 19th century
b) The development of the demand regulator in 1943
c) Post-WWII equipment refinements
d) The invention of the diving helmet in circa 1800 - ANSWER: ➡ The development of the demand
regulator in 1943
, The most efficient breathing pattern for scuba diving is:
a) A deep balanced inhalation followed by a long balanced exhalation without any pause between
inhale and exhale
b) Rapid inhalation and exhalation cycles
c) Long slow inhalation and faster exhalation
d) Short shallow breaths - ANSWER: ➡ A deep balanced inhalation followed by a long balanced
Which of the following Total Diving System subsystems best describes the SCUBA unit?
a) The information system
b) The snorkeling system
c) The buoyancy system
d) The delivery system - ANSWER: ➡ The delivery system
Assuming a consistent air consumption rate, diving at a pressure of 4 ata will use __ as much air as
diving at 2 ata.
a) 4 times
b) 8 times
answers
One atmosphere of pressure is defined as:
a) Each 34 feet of depth in freshwater
b) each 33 ft. of depth in saltwater
c) 1 ata
d) All answers are correct. - ANSWER: ➡ All answers are correct
The absolute pressure expressed in terms of atmospheres absolute at 33 ft. in sea water is:
a) 1 ata
b) 3 ata
c) 2 ata
d) 4 ata - ANSWER: ➡ 2 ata
Underwater, the bending of light rays causes objects to appear to be:
a) closer
,b) the same as the surface
c) At an angle consistent with the bend of the light
d) Farther away - ANSWER: ➡ Closer
If you experience pain in your ears during descent:
a) Place a finger in the ear canal and gently massage the ear until the pain ceases.
b) Continue the descent while gently exhaling into the mask
c) Abort the dive
d) Stop the descent and ascend until the pain stops. - ANSWER: ➡ Stop the descent and ascend until
the pain stops.
Sinus squeeze can be prevented by:
a) Not diving with a cold
b) Wearing earplugs
c) Tilting the divers head back and forth
d) The Valsalva technique - ANSWER: ➡ Not diving with a cold
Ear squeeze can be prevented by:
,a) Rotating the jaw, swallowing or Valsalva
b) All answers are correct
c) Never diving with a cold
d) Relaxing - ANSWER: ➡ All answers are correct
The purpose of equalization is to:
a) Remove all fluids from body air spaces
b) Introduce additional air into body air spaces in response to increasing external pressure
c) Ensure the uneven application of pressure between the water and air space in the body
d) Prevent water from entering air spaces in the body - ANSWER: ➡ Introduce additional air into
body air spaces in response to increasing external pressure
Describing diving with the acronym SCUBA came from what event?
a) The development of air pumps in the 19th century
b) The development of the demand regulator in 1943
c) Post-WWII equipment refinements
d) The invention of the diving helmet in circa 1800 - ANSWER: ➡ The development of the demand
regulator in 1943
, The most efficient breathing pattern for scuba diving is:
a) A deep balanced inhalation followed by a long balanced exhalation without any pause between
inhale and exhale
b) Rapid inhalation and exhalation cycles
c) Long slow inhalation and faster exhalation
d) Short shallow breaths - ANSWER: ➡ A deep balanced inhalation followed by a long balanced
Which of the following Total Diving System subsystems best describes the SCUBA unit?
a) The information system
b) The snorkeling system
c) The buoyancy system
d) The delivery system - ANSWER: ➡ The delivery system
Assuming a consistent air consumption rate, diving at a pressure of 4 ata will use __ as much air as
diving at 2 ata.
a) 4 times
b) 8 times
