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BSAC OCEAN DIVER QUESTIONS AND ANSWERS

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Exam (elaborations)

Bsac Ocean Diver Questions And Answers

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20 pages

2024/2025

Institution BSAC SPORTS DIVEr

Course BSAC SPORTS DIVEr

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BSAC OCEAN DIVER QUESTIONS AND ANSWERS

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BSAC OCEAN DIVER QUESTIONS AND
ANSWERS

Elected75commitee75-75answer--Diving75officer
Training75officer
Chairperson
Treasurer
Secretary
Equipment75officer

Branches75vs75BSAC75centres75-75answer--
Branches75=75local75club75(around75100075branches75around75UK75and75overseas),75BS
AC75centre75are75training75centres75i.e.75professional75diving75schools

BSAC75organisation75structure75-75answer--
BSAC75President,75BSAC75Council,75National75Diving75Committee,75Regional75Coachin
g75Team75-
75BSAC75council75made75up75of75elected75members75who75manage75BSAC75for75memb
ers75-75NDC75members75appointed75for75expertise75-75all75unpaid75volunteers

Ocean75diver75aim75-75answer--
Dive75in75open75water75to7520m75under75supervision75of75a75dive75manager75in75controll
ed75conditions.

Discovery75diver75aim75-75answer--
12m75depth75under75direct75in75water75supervision75of75a75dive75leader

BSAC75council75-75answer--
committee75that75manages75bsac75on75behalf75of75the75members

Atmospheric75pressure75-75answer--
Weight75of75175cm75square75column75of75air75is75175kg75at75sea75level75-75-
75i.e.75175bar75at75sea75level

Water75pressure75-75answer--
Water75column75with75area75of751cm275exerts75downwards75pressure75of75175bar75for75e
very751075metres

,How75to75measure75water75pressure75-75answer--
Depth75gauges,75gives75reading75in75metres

10m75water75pressure75and75total75pressure75is75-75answer--
175bar75water75pressure75and75175bar75atmospheric75pressure75=75275bar75total75pressur
e

20m75water75pressure75and75total75pressure75is75-75answer--
275bar75water75pressure75and75175bar75atmospheric75pressure75=75375bar75total75pressur
e

Effect75of75pressure75on75air75spaces75-75answer--
275bar,75volume75of75air75is75halved.75375bar75reduces75to75175third75original75volume.754
75bar75reduces75to75one75quarter75original75volume

Body75water75content75-75answer--8075per75cent

Mask75-75answer--Rigid75mask75frame
Tempered75glass
Flexible75seal75of75silicone75rubber
Wash75your75mask75in75fresh75water75after75each75dive75-
75avoid75drying75in75direct75sun75as75can75affect75flexibility75of75silicone75rubber

Fins75-75answer--
Either75shoe75fin75with75foot75pocket75(in75warm75conditions)75or75strap75fin75(over75boot
s,75with75strap75or75spring75to75keep75in75place)75-
75wash75in75fresh75water75and75dry75standing75on75food75pocket75end

SCUBA75acronym75-75answer--self75contained75underwater75breathing75apparatus

Scuba75equipment75-75answer--Cylinder75
Buoyancy75Compensator
Regulator

Cylinder75working75pressures75-75answer--232/30075bar

Cylinder75material75-75answer--Aluminium/steel
Must75conform75to75PRESSURE75EQUIPMENT75DIRECTIVE75(bears75the75CE75mark)
Type75of75gas75it75contains75will75be75written75on75it

SCUBA75cylinder75testing75-75answer--Visual75check75every752.575years
Hydrostatic75test75every75575years

Cylinder75care75-75answer--Wash75in75fresh75water
Store75cylinder75upright

, Nitrox753275mix/Nitrogen753675mix/air75-75answer--3275-
7532%75oxygen75and7568%75nitrogen
3675-7536%75O75and7564%75N
Air75-7521%75O75and7579%75N

Marking75-75WC75-75answer--how75many75litres75of75water75the75cylinder75could75hold

WP75or75CP75-75answer--Working75pressure75-7523275bar75or7530075bar

TP75-75answer--Test75pressure75-75used75during75hydraulic75test

CP75-75answer--Charging75pressure

Nitrox75cylinders75-75answer--Need75to75be75in75Oxygen75service75-
75oxygen75compatible75parts75in75valves75and75need75periodic75cleaning75to75ensure75no
75hydrocarbons75present75(recommended75every751575months)

A75clamp75-75answer--Makes75use75of75an75O75ring75set75into75the75valve75outlet
23275bar75pressure

DIN75-75answer--No75o75ring
Fitted75to75cylinders75up75to7530075bar
Can75add75on75a75clamp75equipment75to75allow75use75of75regulators75equipped75with75A
-clamp75attachment
Not75all75DIN75support75all75pressure75types

M2675-75answer--USed75above7522%75oxygen

BCD75components75-75answer--
Integrated75gas75bladder75filled75by75direct75feed75which75connects75via75an75Intermedia
te75pressure75hose75to75the75regulator75-75push75button75to75inflate75BC
Oral75inflation75mouth75piece
Over75inflation75pressure75relief75valves
Also75has75manually75operated75dump75mechanism

-Washed75inside75and75out75with75fresh75water75-
75disinfecting75solutions75should75be75used75inside75BCD75-
75should75be75dry75and75stored75slightly75inflated75-75do75not75breathe75from75BC

Regulators75-75answer--Deliver75air75at75ambient75pressure75-
75first75stage75reduces75pressure75in75cylinder75to75intermediate75pressure75around75107
5bar75above75ambient75-
75gas75passed75down75interstage,75intermediate75pressure75hose75to75regulator75second
75stage-second75stage75reduces75pressure75further75to75ambient75pressure75-
75exhaled75air75expelled75via75exhaust75valve75-
75contain75a75octopus75for75your75buddy/you

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Uploaded on: June 9, 2025
Number of pages: 20
Written in: 2024/2025
Type: Exam (elaborations)
Contains: Unknown

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