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Bsac Sports Diver Theory Questions And Answers

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BSAC SPORTS DIVER THEORY QUESTIONS AND ANSWERS

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BSAC SPORTS DIVER THEORY
QUESTIONS AND ANSWERS




When75can75a75sports75diver75dive75with75an75ocean75diver75or75another75sports75diver?
75-75answer--
In75conditions75already75encountered75by75the75ocean75diver75during75their75training75an
d75under75the75supervision75of75a75dive75manager.

What's75the75initial75limited75depth75for75a75sports75diver?75-75answer--20m

What's75the75progressively75extended75depth75of75a75sports75diver?75-75answer--35m

Is75a75neap75tide75small75or75large?75-75answer--Small

Is75a75spring75tide75small75or75large?75-75answer--Large

What75causes75a75neap75tide?75-75answer--
When75the75Moon75is75at75a75right75angle75to75Earth75and75the75Sun,75creating75the75lea
st75amount75of75gravitational75pull75in75one75direction,75creating75weak75tides.

What75causes75spring75tides?75-75answer--
The75gravity75of75the75sun75and75moon75pull75in75the75same75direction,75creating75strong
75tides.


Neap75tides75coincide75with75what?75-75answer--The75quarters75of75the75moon

Spring75tides75coincide75with75what?75-75answer--New75and75full75moon

What's75the75average75tide75cycle75in75most75places?75-75answer--1275hours

How75many75tide75cycles75in75a75day?75-75answer--2

How75many75high75tides75in75a75day?75-75answer--2

How75many75low75tides75are75there75in75a75day?75-75answer--2

, How75many75times75do75spring75tides75occur75in75a75lunar75month?75-75answer--2

How75many75times75do75neap75tides75occur75in75a75lunar75month?75-75answer--2

What's75the75tidal75range?75-75answer--High75water75-75low75water

What's75slack75water?75-75answer--
At75the75tides75turning75point,75when75the75water75speed75is75at75its75slowest.

What75can75make75diving75on75a75static75site75(e.g.75a75wreck)75safer?75-75answer--
Diving75in75slack75water

What75is75ground75swell?75-75answer--
When75wind75causing75wave75action75on75the75surface75can75be75felt75on75the75sea75be
d.

When75is75ground75swell75the75roughest?75-75answer--
When75the75surface75winds75go75against75the75tide/stream/current75flow.

Is75an75incoming75or75outgoing75tide75better75for75visibility?75-75answer--Incoming

What75are75five75factors75that75can75affect75visibility?75-75answer---75bad75weather75
-75tides75
-75being75close75to75river75estuaries
-
75lots75of75phytoplankton75+75zooplankton75(most75likely75to75be75a75problem75in75spring7
5in75most75places.)75
-disturbance75by75divers.

What's75a75thermocline?75-75answer--
Sudden75change75in75temperature,75may75look75oily/
75shiny75and75produce75a75change75in75visibility


What75can75you75do75to75reduce75the75effect75of75glare75on75the75surface75(as75a75boat7
5crew75member,75not75a75diver?)75-75answer---75wear75polarised75sunglasses75
-75position75the75boat75with75the75sun75behind75you

What75are75four75things75you75should75take75into75account75when75doing75a75risk75asses
sment?75-75answer--Conditions,75depth,75breathing75gas75and75equipment

As75neoprene75wetsuits75compress,75there75is75a75loss75of75what?75-75answer--
Thermal75insulation

What75precautions75can75you75take75to75minimise75the75risk75of75a75dive75to75yourself75a
nd75your75buddy?75-75answer---don't75dive75if75you're75unsure
-75service75equipment75

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