BSAC sports diver theory Exam questions with correct answers

BSAC sports diver theory Exam questions
with correct answers
When |can |a |sports |diver |dive |with |an |ocean |diver |or |another |sports |diver? |- |CORRECT |
ANSWER✔✔-In |conditions |already |encountered |by |the |ocean |diver |during |their |training |and |
under |the |supervision |of |a |dive |manager.



What's |the |initial |limited |depth |for |a |sports |diver? |- |CORRECT |ANSWER✔✔-20m



What's |the |progressively |extended |depth |of |a |sports |diver? |- |CORRECT |ANSWER✔✔-35m



Is |a |neap |tide |small |or |large? |- |CORRECT |ANSWER✔✔-Small



Is |a |spring |tide |small |or |large? |- |CORRECT |ANSWER✔✔-Large



What |causes |a |neap |tide? |- |CORRECT |ANSWER✔✔-When |the |Moon |is |at |a |right |angle |to |Earth
|and |the |Sun, |creating |the |least |amount |of |gravitational |pull |in |one |direction, |creating |weak |


tides.



What |causes |spring |tides? |- |CORRECT |ANSWER✔✔-The |gravity |of |the |sun |and |moon |pull |in |
the |same |direction, |creating |strong |tides.



Neap |tides |coincide |with |what? |- |CORRECT |ANSWER✔✔-The |quarters |of |the |moon



Spring |tides |coincide |with |what? |- |CORRECT |ANSWER✔✔-New |and |full |moon



What's |the |average |tide |cycle |in |most |places? |- |CORRECT |ANSWER✔✔-12 |hours

,How |many |tide |cycles |in |a |day? |- |CORRECT |ANSWER✔✔-2



How |many |high |tides |in |a |day? |- |CORRECT |ANSWER✔✔-2



How |many |low |tides |are |there |in |a |day? |- |CORRECT |ANSWER✔✔-2



How |many |times |do |spring |tides |occur |in |a |lunar |month? |- |CORRECT |ANSWER✔✔-2



How |many |times |do |neap |tides |occur |in |a |lunar |month? |- |CORRECT |ANSWER✔✔-2



What's |the |tidal |range? |- |CORRECT |ANSWER✔✔-High |water |- |low |water



What's |slack |water? |- |CORRECT |ANSWER✔✔-At |the |tides |turning |point, |when |the |water |speed
|is |at |its |slowest.




What |can |make |diving |on |a |static |site |(e.g. |a |wreck) |safer? |- |CORRECT |ANSWER✔✔-Diving |in |
slack |water



What |is |ground |swell? |- |CORRECT |ANSWER✔✔-When |wind |causing |wave |action |on |the |
surface |can |be |felt |on |the |sea |bed.



When |is |ground |swell |the |roughest? |- |CORRECT |ANSWER✔✔-When |the |surface |winds |go |
against |the |tide/stream/current |flow.



Is |an |incoming |or |outgoing |tide |better |for |visibility? |- |CORRECT |ANSWER✔✔-Incoming

, What |are |five |factors |that |can |affect |visibility? |- |CORRECT |ANSWER✔✔-- |bad |weather |

- |tides |

- |being |close |to |river |estuaries

- |lots |of |phytoplankton |+ |zooplankton |(most |likely |to |be |a |problem |in |spring |in |most |places.) |

-disturbance |by |divers.



What's |a |thermocline? |- |CORRECT |ANSWER✔✔-Sudden |change |in |temperature, |may |look |oily/
|shiny |and |produce |a |change |in |visibility




What |can |you |do |to |reduce |the |effect |of |glare |on |the |surface |(as |a |boat |crew |member, |not |a |
diver?) |- |CORRECT |ANSWER✔✔-- |wear |polarised |sunglasses |

- |position |the |boat |with |the |sun |behind |you



What |are |four |things |you |should |take |into |account |when |doing |a |risk |assessment? |- |CORRECT |
ANSWER✔✔-Conditions, |depth, |breathing |gas |and |equipment



As |neoprene |wetsuits |compress, |there |is |a |loss |of |what? |- |CORRECT |ANSWER✔✔-Thermal |
insulation



What |precautions |can |you |take |to |minimise |the |risk |of |a |dive |to |yourself |and |your |buddy? |- |
CORRECT |ANSWER✔✔--don't |dive |if |you're |unsure

- |service |equipment |

- |back |up |supply |of |gas |

- |pre |agreed |narcosis |check |(at |agreed |depth |or |gas |level) |

- |practiced |rescue |skills |

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