Open Water Diver Final, SCUBA, SSI Open Water
Diver Final Exam (Latest 2025/ 2026 Update) over 300
Questions and verified Answers | Grade A (100%
Correct Elaborations)
What are the two dive flags
RecreationalADivingAandAAlphaAFlag
1982
WhenAdidAOSHAAexemptAscientificAdivingAfromAcommercialAdiving
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
A:A2Aata
WhatAwillAthe buoyancy of an object be (positive, neutral, or negative) if it displaces an amo
untAofAwater:
a.AmoreAthan its own weight?
b.AlessAthan its own weight?
c.AequalAto its own weight?
,a. positive
b. negative
c. neutral
AAUS
AmericanAAcademyAofAUnderwaterASciences
Gauge pressure is defined as:
-A: Hydrostatic pressure minus 1 ata
-B: The pressure at the surface
-C: The depth reading on a gauge
-D: Absolute pressure minus 1 ata
D:AGaugeApressureAisAdefinedAasAAbsoluteApressureAminusA1Aata
WhatAisApurpose of first stage
toAreduceAcylinderApressureAtoAimmediateApressureAandAkeepAthatApressureAasAconstantAasApossibl
e
DefineAScientific Diving
,DivingAperformedAsolelyAasAaAnecessaryApartAofAaAscientific,Aresearch,AorAeducationalAactivityA
byAemployeesAwhoseAsoleApurposeAforAdivingAisAtoAperformAscientificAresearchAtasks
When does squeeze in the ear occur
WhenAtheApresureAoutsideAtheAearAisAgreaterAthanAtheApressureAinsideAtheAear
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 crushing pain high in the chest
-D: a sharp pain above the eyes
D:AaAsharpApainAaboveAtheAeyes
What is the relationship between increasing and decreasing depth and water pressur
e? WithAincreasingAdepthAtheAwaterApressureAincreases.
WithAdecreasingAdepthAtheAwaterApressureAdecreases.
, If you experience pain in the ear during descent:
-A: Stop the descent and ascend till the pain stops
-B: abort the dive
-C: place a finger in the ear canal and gently massage the ear until the pain ceases
-D: continue the descent while gently exhaling into the mask
A:AStopAtheAdescentAandAascendAtillAtheApainAstops.
Body heat is lost at a rate of than air.
25-30AtimesAfaster
What year was the petition by United Brotherhood Carpenters and Joiners of America AFL-
CIO with respect to diving operations filed?
1975
The ultimate responsibility for safe diving procedures rests with the ...
individualAdiver
ProperAequalization techniques must be learned in order to:
Diver Final Exam (Latest 2025/ 2026 Update) over 300
Questions and verified Answers | Grade A (100%
Correct Elaborations)
What are the two dive flags
RecreationalADivingAandAAlphaAFlag
1982
WhenAdidAOSHAAexemptAscientificAdivingAfromAcommercialAdiving
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
A:A2Aata
WhatAwillAthe buoyancy of an object be (positive, neutral, or negative) if it displaces an amo
untAofAwater:
a.AmoreAthan its own weight?
b.AlessAthan its own weight?
c.AequalAto its own weight?
,a. positive
b. negative
c. neutral
AAUS
AmericanAAcademyAofAUnderwaterASciences
Gauge pressure is defined as:
-A: Hydrostatic pressure minus 1 ata
-B: The pressure at the surface
-C: The depth reading on a gauge
-D: Absolute pressure minus 1 ata
D:AGaugeApressureAisAdefinedAasAAbsoluteApressureAminusA1Aata
WhatAisApurpose of first stage
toAreduceAcylinderApressureAtoAimmediateApressureAandAkeepAthatApressureAasAconstantAasApossibl
e
DefineAScientific Diving
,DivingAperformedAsolelyAasAaAnecessaryApartAofAaAscientific,Aresearch,AorAeducationalAactivityA
byAemployeesAwhoseAsoleApurposeAforAdivingAisAtoAperformAscientificAresearchAtasks
When does squeeze in the ear occur
WhenAtheApresureAoutsideAtheAearAisAgreaterAthanAtheApressureAinsideAtheAear
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 crushing pain high in the chest
-D: a sharp pain above the eyes
D:AaAsharpApainAaboveAtheAeyes
What is the relationship between increasing and decreasing depth and water pressur
e? WithAincreasingAdepthAtheAwaterApressureAincreases.
WithAdecreasingAdepthAtheAwaterApressureAdecreases.
, If you experience pain in the ear during descent:
-A: Stop the descent and ascend till the pain stops
-B: abort the dive
-C: place a finger in the ear canal and gently massage the ear until the pain ceases
-D: continue the descent while gently exhaling into the mask
A:AStopAtheAdescentAandAascendAtillAtheApainAstops.
Body heat is lost at a rate of than air.
25-30AtimesAfaster
What year was the petition by United Brotherhood Carpenters and Joiners of America AFL-
CIO with respect to diving operations filed?
1975
The ultimate responsibility for safe diving procedures rests with the ...
individualAdiver
ProperAequalization techniques must be learned in order to:
