SSI Open Water Diver Questions with Detailed
Verified Answers
Gauge pressure is defined as: Ans: Absolute pressure minus 1 ata
Underwater, the bending of light causes objects to: Ans: Appear closer
Absolute pressure is defined as: Ans: Total pressure exerted on an object
Describing SCUBA came from what event? Ans: Development of the demand
regulator in 1943
If you experience pain in your ears during decent? Ans: Stop the decent and ascend
until the pain stops
The condition in which certain colors are diminished at depth? Ans: Absorption
Ear squeeze can be prevented by? Ans: Rotating the jaw, swallowing, valsalva
Relaxing
Never diving with a cold
The first sign of a sinus squeeze? Ans: Crushing, wedging pain between the eyes
The SSI equipment service program is designed to? Ans: Keep all of the components
of the total diving system to optimal performance
The three primary features to look for in an exposure system are? Ans: Thickness, fit,
seam integrity
, The most efficient breathing pattern for SCUBA is? Ans: A deep balanced inhalation
followed by a balanced exhalation with no pauses in between
During normal diving conditions, never exceed an ascent rate of? Ans: 30 feet per
minute
The purpose of the BC is to? Ans: Control ascent and descent rates
Provide surface flotation
Maintain neutral buoyancy
Under the SSI equipment service program, your delivery system should be serviced
every? Ans: Every year
A SCUBA cylinder must be hydrostatically tested every: Ans: Within fixed intervals
set by local law
The information system components are? Ans: Dive Computer, Analogue
Instruments, if the Dive Computer does not supply all necessary information, and SSI
Total DiveLog
Which of the following overexpansion injuries can be characterized by swelling in the
neck area with a crackling sensation upon touching the swollen area? Ans:
Subcutaneous emphysema
The only accepted treatment for Arterial Gas Embolism is: Ans: Stabilize the victim,
medical treatment, decompression chamber
Haldanes theory that the human body can withstand a 2:1 pressure difference was
revised by D Workman to a nitrogen ratio of: Ans: 1.58 : 1
© Get it right 2025 Getaway - Stuvia US All rights reserved
Verified Answers
Gauge pressure is defined as: Ans: Absolute pressure minus 1 ata
Underwater, the bending of light causes objects to: Ans: Appear closer
Absolute pressure is defined as: Ans: Total pressure exerted on an object
Describing SCUBA came from what event? Ans: Development of the demand
regulator in 1943
If you experience pain in your ears during decent? Ans: Stop the decent and ascend
until the pain stops
The condition in which certain colors are diminished at depth? Ans: Absorption
Ear squeeze can be prevented by? Ans: Rotating the jaw, swallowing, valsalva
Relaxing
Never diving with a cold
The first sign of a sinus squeeze? Ans: Crushing, wedging pain between the eyes
The SSI equipment service program is designed to? Ans: Keep all of the components
of the total diving system to optimal performance
The three primary features to look for in an exposure system are? Ans: Thickness, fit,
seam integrity
, The most efficient breathing pattern for SCUBA is? Ans: A deep balanced inhalation
followed by a balanced exhalation with no pauses in between
During normal diving conditions, never exceed an ascent rate of? Ans: 30 feet per
minute
The purpose of the BC is to? Ans: Control ascent and descent rates
Provide surface flotation
Maintain neutral buoyancy
Under the SSI equipment service program, your delivery system should be serviced
every? Ans: Every year
A SCUBA cylinder must be hydrostatically tested every: Ans: Within fixed intervals
set by local law
The information system components are? Ans: Dive Computer, Analogue
Instruments, if the Dive Computer does not supply all necessary information, and SSI
Total DiveLog
Which of the following overexpansion injuries can be characterized by swelling in the
neck area with a crackling sensation upon touching the swollen area? Ans:
Subcutaneous emphysema
The only accepted treatment for Arterial Gas Embolism is: Ans: Stabilize the victim,
medical treatment, decompression chamber
Haldanes theory that the human body can withstand a 2:1 pressure difference was
revised by D Workman to a nitrogen ratio of: Ans: 1.58 : 1
© Get it right 2025 Getaway - Stuvia US All rights reserved
