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Exam (elaborations)

BSAC Ocean diver Exam with complete solutions 2025.

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BSAC Ocean diver Exam with complete solutions 2025.

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BSAC Ocean Diver
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BSAC Ocean diver

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BSAC Ocean diver Exam with complete
solutions 2025




Elected .commitee .- .CORRECT .ANSWER✔✔Diving .officer

Training .officer

Chairperson

Treasurer

Secretary

Equipment .officer



Branches .vs .BSAC .centres .- .CORRECT .ANSWER✔✔Branches .= .local .club .(around .1000
.branches .around .UK .and .overseas), .BSAC .centre .are .training .centres .i.e. .professional

.diving .schools




BSAC .organisation .structure .- .CORRECT .ANSWER✔✔BSAC .President, .BSAC .Council, .National
.Diving .Committee, .Regional .Coaching .Team .- .BSAC .council .made .up .of .elected .members

.who .manage .BSAC .for .members .- .NDC .members .appointed .for .expertise .- .all .unpaid

.volunteers




Ocean .diver .aim .- .CORRECT .ANSWER✔✔Dive .in .open .water .to .20m .under .supervision .of .a
.dive .manager .in .controlled .conditions.




Discovery .diver .aim .- .CORRECT .ANSWER✔✔12m .depth .under .direct .in .water .supervision
.of .a .dive .leader

,BSAC .council .- .CORRECT .ANSWER✔✔committee .that .manages .bsac .on .behalf .of .the
.members




Atmospheric .pressure .- .CORRECT .ANSWER✔✔Weight .of .1 .cm .square .column .of .air .is .1 .kg
.at .sea .level .- .- .i.e. .1 .bar .at .sea .level




Water .pressure .- .CORRECT .ANSWER✔✔Water .column .with .area .of .1cm2 .exerts .downwards
.pressure .of .1 .bar .for .every .10 .metres




How .to .measure .water .pressure .- .CORRECT .ANSWER✔✔Depth .gauges, .gives .reading .in
.metres




10m .water .pressure .and .total .pressure .is .- .CORRECT .ANSWER✔✔1 .bar .water .pressure .and
.1 .bar .atmospheric .pressure .= .2 .bar .total .pressure




20m .water .pressure .and .total .pressure .is .- .CORRECT .ANSWER✔✔2 .bar .water .pressure .and
.1 .bar .atmospheric .pressure .= .3 .bar .total .pressure




Effect .of .pressure .on .air .spaces .- .CORRECT .ANSWER✔✔2 .bar, .volume .of .air .is .halved. .3
.bar .reduces .to .1 .third .original .volume. .4 .bar .reduces .to .one .quarter .original .volume




Body .water .content .- .CORRECT .ANSWER✔✔80 .per .cent



Mask .- .CORRECT .ANSWER✔✔Rigid .mask .frame

Tempered .glass

Flexible .seal .of .silicone .rubber

, Wash .your .mask .in .fresh .water .after .each .dive .- .avoid .drying .in .direct .sun .as .can .affect
.flexibility .of .silicone .rubber




Fins .- .CORRECT .ANSWER✔✔Either .shoe .fin .with .foot .pocket .(in .warm .conditions) .or .strap
.fin .(over .boots, .with .strap .or .spring .to .keep .in .place) .- .wash .in .fresh .water .and .dry

.standing .on .food .pocket .end




SCUBA .acronym .- .CORRECT .ANSWER✔✔self .contained .underwater .breathing .apparatus



Scuba .equipment .- .CORRECT .ANSWER✔✔Cylinder

Buoyancy .Compensator

Regulator



Cylinder .working .pressures .- .CORRECT .ANSWER✔✔232/300 .bar



Cylinder .material .- .CORRECT .ANSWER✔✔Aluminium/steel

Must .conform .to .PRESSURE .EQUIPMENT .DIRECTIVE .(bears .the .CE .mark)

Type .of .gas .it .contains .will .be .written .on .it



SCUBA .cylinder .testing .- .CORRECT .ANSWER✔✔Visual .check .every .2.5 .years

Hydrostatic .test .every .5 .years



Cylinder .care .- .CORRECT .ANSWER✔✔Wash .in .fresh .water

Store .cylinder .upright



Nitrox .32 .mix/Nitrogen .36 .mix/air .- .CORRECT .ANSWER✔✔32 .- .32% .oxygen .and .68%
.nitrogen
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