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SSI ASSISTANT INSTRUCTOR PRE TEST (2026/2027) UPDATE|EXAM QUESTIONS WITH MULTIPLE CHOICES |VERIFIED & REVISED ANSWERS (NEW)!!!

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SSI ASSISTANT INSTRUCTOR PRE TEST (2026/2027) UPDATE|EXAM QUESTIONS WITH MULTIPLE CHOICES |VERIFIED & REVISED ANSWERS (NEW)!!!

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SSI ASSISTANT INSTRUCTOR PRE TEST
(2026/2027) UPDATE|EXAM
QUESTIONS WITH MULTIPLE
CHOICES |VERIFIED & REVISED
ANSWERS (NEW)!!!
Assumingmammaximummpartialmpressuremlimitationmofm1.4mbar,mthemmaximummdepthmformam32%mni
troxmmixturemism____mofmseawater.

33.7mm

20mm

66mm

43.7mmm-mCORRECTmANSWERm33.7mm



Whichmphysicalmlawmstates:m"Ifmtemperaturemremainsmconstant,mthempressuremandmvolumemofmany
mgasmareminverselymrelated"?



Dalton

Henry

Archimedes

Boyle

Savem-mCORRECTmANSWERmBoyle



Formeverymmetermofmdepthminmfreshwater,mpressuremchangesmby:

0.013mbar

0.098mbar

0.100mbar

1.03mbarm-mCORRECTmANSWERm0.098mbar

,divermandmhism/mhermequipmentmweighm87mkgmwhenmneutrallymbuoyantminmsaltwater.mTombemneutr
allymbuoyantmformfreshwatermdivingmwithmthemsamemequipment,mhem/shemhasmto:

Addmweight

Allmanswersmaremcorrect

Usemthemsamemweight

Removemweightm-mCORRECTmANSWERmRemovemweight



Ifm2mlitersmofmairmaremneededminmyourmbuoyancymcompensatormtommaintainmneutralmbuoyancymatm
10mminmthemocean,mwhatmwillmhappenmtomyourmbuoyancymifmyoumascendm3mmmwithoutmdeflating:

Yourmpositivembuoyancymwillmincrease

Theremwillmbemnomchangeminmbuoyancy

Yourmnegativembuoyancymwillmincrease

Youmwillmstaymneutralmnommattermifmyoumascendmormdescendm-
mCORRECTmANSWERmYourmpositivembuoyancymwillmincrease




Breathingmgasmconsumption:

Variesminverselymwithmdepth

Increasesmasmdepthmincreases

Decreasesmasmdepthmincreases

Remainsmthemsamemasmdepthmincreasesm-mCORRECTmANSWERmIncreasesmasmdepthmincreases



Themoceanmdepthmatmwhichmthempartialmpressuremofmoxygenminmairmequalsm1.6mbarmism_____mmete
rsmassumingmO2m=m21%.

70

85

66

55m-mCORRECTmANSWERm66

, Assumingmammaximummpartialmpressuremlimitationmofm1.4mbar,mthemmaximummMODmformam40%mni
troxmmixtureminmthemoceanmis:

35mmeters

25mmeters

40mmeters

20mmetersm-mCORRECTmANSWERm25mmeters



Themabsolutempressurematmamdepthmofm50mmetersminmsaltmwatermis:

5.012mbar

6.000mbar

5.000mbar

5.901mbarm-mCORRECTmANSWERm6.000mbar



Whatmwouldmbemthemsurfacemairmconsumptionmratem(SAC)mofmamdivermwithmam200bar,m10mlitermcyli
ndermwhomusesm50barminm10mminutesmatmamdepthmofm10mmetersminmthemocean?

25mlitersm/mminute

50mlitersm/mminute

35mlitersm/mminute

10mlitersm/mminutem-mCORRECTmANSWERm25mlitersm/mminute



Ifmyoumhavemdifficultymequalizingmpressureminmyourmears/sinusesmwhilemdescending,myoumshould:

Ascendm2mmetersmandmforcemequalization

Stopmandmwaitmuntilmthemdiscomfortmsubsides

Ascendmuntilmthempressuremismrelievedmandmthenmattemptmequalization

Returnmtomthemsurfacemandmre-initiatemthemdescentm-
mCORRECTmANSWERmAscendmuntilmthempressuremismrelievedmandmthenmattemptmequalization

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