10/9/25, 7:15 AM BSAC sports diver theory EXAM 2025 (Actual Exam) Questions with verified Answers (Latest Update 2025) UPDATE!! Flashcards |…
BSAC sports diver theory EXAM 2025 (Actual
Exam) Questions with verified Answers (Latest
Update 2025) UPDATE!!
Save
Terms in this set (183)
When can a sports diver In conditions already encountered by the ocean diver
dive with an ocean diver during their training and under the supervision of a
or another sports diver? dive manager.
What's the initial limited 20m
depth for a sports diver?
What's the progressively 35m
extended depth of a
sports diver?
Is a neap tide small or Small
large?
Is a spring tide small or Large
large?
When the Moon is at a right angle to Earth and the
What causes a neap tide? Sun, creating the least amount of gravitational pull in
one direction, creating weak tides.
The gravity of the sun and moon pull in the same
What causes spring tides?
direction, creating strong tides.
Neap tides coincide with The quarters of the moon
what?
https://quizlet.com/1090062936/bsac-sports-diver-theory-exam-2025-actual-exam-questions-with-verified-answers-latest-update-2025-update-flash-c… 1/18
,10/9/25, 7:15 AM BSAC sports diver theory EXAM 2025 (Actual Exam) Questions with verified Answers (Latest Update 2025) UPDATE!! Flashcards |…
Spring tides coincide with New and full moon
what?
What's the average tide 12 hours
cycle in most places?
How many tide cycles in a 2
day?
How many high tides in a 2
day?
How many low tides are 2
there in a day?
How many times do spring 2
tides occur in a lunar
month?
How many times do neap 2
tides occur in a lunar
month?
What's the tidal range? High water - low water
At the tides turning point, when the water speed is at
What's slack water?
its slowest.
What can make diving on Diving in slack water
a static site (e.g. a wreck)
safer?
When wind causing wave action on the surface can
What is ground swell?
be felt on the sea bed.
When is ground swell the When the surface winds go against the
roughest? tide/stream/current flow.
Is an incoming or Incoming
outgoing tide better for
visibility?
https://quizlet.com/1090062936/bsac-sports-diver-theory-exam-2025-actual-exam-questions-with-verified-answers-latest-update-2025-update-flash-c… 2/18
, 10/9/25, 7:15 AM BSAC sports diver theory EXAM 2025 (Actual Exam) Questions with verified Answers (Latest Update 2025) UPDATE!! Flashcards |…
- bad weather
- tides
What are five factors that - being close to river estuaries
can affect visibility? - lots of phytoplankton + zooplankton (most likely to
be a problem in spring in most places.)
-disturbance by divers.
Sudden change in temperature, may look oily/ shiny
What's a thermocline?
and produce a change in visibility
What can you do to - wear polarised sunglasses
reduce the effect of glare - position the boat with the sun behind you
on the surface (as a boat
crew member, not a
diver?)
What are four things you Conditions, depth, breathing gas and equipment
should take into account
when doing a risk
assessment?
As neoprene wetsuits Thermal insulation
compress, there is a loss
of what?
-don't dive if you're unsure
- service equipment
What precautions can you
- back up supply of gas
take to minimise the risk of
- pre agreed narcosis check (at agreed depth or gas
a dive to yourself and your
level)
buddy?
- practiced rescue skills
-
What are the four CBL/AS, basic life support (BLS), rescue breathing
practised rescue skills (RB), chest compressions (CC)
you'll do as a sports diver?
https://quizlet.com/1090062936/bsac-sports-diver-theory-exam-2025-actual-exam-questions-with-verified-answers-latest-update-2025-update-flash-c… 3/18
BSAC sports diver theory EXAM 2025 (Actual
Exam) Questions with verified Answers (Latest
Update 2025) UPDATE!!
Save
Terms in this set (183)
When can a sports diver In conditions already encountered by the ocean diver
dive with an ocean diver during their training and under the supervision of a
or another sports diver? dive manager.
What's the initial limited 20m
depth for a sports diver?
What's the progressively 35m
extended depth of a
sports diver?
Is a neap tide small or Small
large?
Is a spring tide small or Large
large?
When the Moon is at a right angle to Earth and the
What causes a neap tide? Sun, creating the least amount of gravitational pull in
one direction, creating weak tides.
The gravity of the sun and moon pull in the same
What causes spring tides?
direction, creating strong tides.
Neap tides coincide with The quarters of the moon
what?
https://quizlet.com/1090062936/bsac-sports-diver-theory-exam-2025-actual-exam-questions-with-verified-answers-latest-update-2025-update-flash-c… 1/18
,10/9/25, 7:15 AM BSAC sports diver theory EXAM 2025 (Actual Exam) Questions with verified Answers (Latest Update 2025) UPDATE!! Flashcards |…
Spring tides coincide with New and full moon
what?
What's the average tide 12 hours
cycle in most places?
How many tide cycles in a 2
day?
How many high tides in a 2
day?
How many low tides are 2
there in a day?
How many times do spring 2
tides occur in a lunar
month?
How many times do neap 2
tides occur in a lunar
month?
What's the tidal range? High water - low water
At the tides turning point, when the water speed is at
What's slack water?
its slowest.
What can make diving on Diving in slack water
a static site (e.g. a wreck)
safer?
When wind causing wave action on the surface can
What is ground swell?
be felt on the sea bed.
When is ground swell the When the surface winds go against the
roughest? tide/stream/current flow.
Is an incoming or Incoming
outgoing tide better for
visibility?
https://quizlet.com/1090062936/bsac-sports-diver-theory-exam-2025-actual-exam-questions-with-verified-answers-latest-update-2025-update-flash-c… 2/18
, 10/9/25, 7:15 AM BSAC sports diver theory EXAM 2025 (Actual Exam) Questions with verified Answers (Latest Update 2025) UPDATE!! Flashcards |…
- bad weather
- tides
What are five factors that - being close to river estuaries
can affect visibility? - lots of phytoplankton + zooplankton (most likely to
be a problem in spring in most places.)
-disturbance by divers.
Sudden change in temperature, may look oily/ shiny
What's a thermocline?
and produce a change in visibility
What can you do to - wear polarised sunglasses
reduce the effect of glare - position the boat with the sun behind you
on the surface (as a boat
crew member, not a
diver?)
What are four things you Conditions, depth, breathing gas and equipment
should take into account
when doing a risk
assessment?
As neoprene wetsuits Thermal insulation
compress, there is a loss
of what?
-don't dive if you're unsure
- service equipment
What precautions can you
- back up supply of gas
take to minimise the risk of
- pre agreed narcosis check (at agreed depth or gas
a dive to yourself and your
level)
buddy?
- practiced rescue skills
-
What are the four CBL/AS, basic life support (BLS), rescue breathing
practised rescue skills (RB), chest compressions (CC)
you'll do as a sports diver?
https://quizlet.com/1090062936/bsac-sports-diver-theory-exam-2025-actual-exam-questions-with-verified-answers-latest-update-2025-update-flash-c… 3/18
