CLUB DIVER KNOWLEDGE REVIEW
INTRODUCTION TO THE BSAC
1
When was the BSAC founded?
A
1947
B
1953
C
1960
D
1989
2
The BSAC has over 1600 _________?
A
Members
B
Manuals
C
Diving Grades
D
Branches
3
Which of the following benefits are provided by the BSAC nationally
rather than by the Branch?
A
Further Training
B
Regular diving events.
C
Third Party Liability Insurance
D
Regular Social activities
E
Use of Branch equipment.
4
What is the first diving grade awarded by a BSAC Branch?
A
Club Diver
B
Ocean Diver
C
Sports Diver
D
Open Water Diver
5
What is the first diving grade to be awarded nationally rather than at
Branch level?
A
Dive Leader
B
Advanced Diver
C
First Class Diver
D
Nitrox Diver
E
Sports Diver
6
Who is the President of the BSAC?
A
HRH Prince Charles
B
HRH Prince Philip
C
HRH Prince William
D
Phil Harrison
E
Lizzie Bird
7
What is the maximum depth limit for a Club Diver?
A
6m
B
20m
C
25m
D
30m
E
50m
8
The highest level of BSAC nationally qualified instructor is ______?
A
BSAC Club Instructor
B
BSAC Open Water Instructor
C
BSAC Advanced Instructor
D
BSAC National Instructor
E
BSAC Coach
9
The BSAC magazine is called _________?
A
Dive
B
Dive International
C
Diver
D
Sports Diver
E
Sub Aqua Scene
10
BSAC HQ is in ________?
A
London
B
Edinburgh
C
Ellesmere Port
D
Birmingham
E
Plymouth
CLUB DIVER KNOWLEDGE REVIEW
PHYSICS OF SCUBA DIVING
1
2
3
4
What are the major constituents of air?
(See Page 13 Study Guide)
A
20% Oxygen, 80% Nitrogen
B
20% Nitrogen, 80% Oxygen
C
20% Oxygen, 64% Nitrogen, 16% Carbon Dioxide
D
20% Nitrogen, 20% Oxygen, 60% Helium
E
40% Nitrogen, 20% Oxygen, 20% Helium
At sea level, the Earth's atmosphere exerts a pressure of
approximately _______?
(See Page 13 Study Guide)
A
0 Bar
B
1 Bar
C
0.5 Bar
D
2 Bar
E
10 Bar
When performing calculations for diving operations it is normal to
use ______?
(See Page 14 Study Guide)
A
Gauge pressure
B
Water pressure
C
Atmospheric pressure
D
Low pressure
E
Absolute pressure
What is the total absolute pressure at a depth of 25m?
(See Page 14 Study Guide)
A
0.25 Bar
B
0.35 Bar
C
2.5 Bar
D
3.5 Bar
E
25 Bar
5
The greatest pressure/volume change occurs between which
depths?
(See Page 15 Study Guide)
A
The surface and 10m
B
10m and 20m
C
20m and 30m
D
30m and 40m
E
20m and 40m
6
Which of the following is recommended dive practice?
(See Page 20 Study Guide)
A
Diving with ear plugs.
B
Descending further when pain is felt in the ears.
C
Diving with hay fever or a cold.
D
Aborting the dive if ears will not clear.
7
Mask squeeze can be prevented by ______?
(See Page 21 Study Guide)
A
Buying a loose fitting mask
B
Inhaling air from the mask space
C
Exhaling air into the mask space
D
Flooding the mask with water
E
Buying a mask which does not enclose the nose
8
The golden rule when ascending is _____?
(See Page 22 Study Guide)
A
Always hold your breath on any ascent
B
Never hold your breath on any ascent
C
Always hold your breath as you ascend through the final 10
metres of water
D
Never breathe normally on an ascent
E
Never breathe out on an ascent
9
10
11
12
A diver uses a ______ to maintain neutral buoyancy throughout the
dive.
(See Page 23 Study Guide)
A
Weightbelt
B
Rock
C
Knife
D
Snorkel
E
Buoyancy Compensator
Because our eyes are designed to operate in the environment of air,
we have to wear a _____ when diving.
(See Page 24 Study Guide)
A
Hood
B
Mask
C
Buoyancy compensator
D
Regulator
E
Compass
Colours are absorbed from light as we go deeper in the water. Only
____ reaches into deep water.
(See Page 24 Study Guide)
A
Red
B
Yellow
C
Green
D
Blue
E
Orange
A gas is compressible. Therefore if the pressure of the gas
increases, the volume will ………….. in direct proportion.
(See Page 14 Study Guide)
A
decrease
B
increase
C
remain static
D
expand
13
An inverted bucket full of air at the surface, will be ---------- full of air
at 10m.
(See Page 15 Study Guide)
A
1/2 full
B
1/4 full
C
1/3 full
D
3/4 full
14
The human body contains both flexible and rigid air-filled spaces.
Failure to ------ pressure within the body's air spaces will cause
damage to tissues.
(See Page 18 Study Guide)
A
equalise
B
contain
C
expand
D
reduce
E
increase
15
The parts of the aqualung diver's body most often affected by
compression are the ----- and sinuses.
(See Page 18 Study Guide)
A
ears
B
teeth
C
bowel
D
nose
16
Water pressure on the ear drum is equalised by allowing air up the
_______ _______ into the middle ear cavity.
(See Page 20 Study Guide)
A
Eustachian tube
B
Fallopian tube
C
Carotid sinus
D
Bronchus
E
Alveoli
17
If the mass of an object exceeds the mass of water it displaces, it
will ------(See Page 23 Study Guide)
A
float
B
fly
C
capsize
D
sink
E
swim
18
It is desirable for a diver to be able to become --------- ----------- by
simply breathing in or breathing out.
(See Page 23 Study Guide)
A
negatively buoyant
B
positively buoyant
C
neutrally buoyant
D
tired and stressed
E
anaerobically exercised
19
Sea water is slightly more dense than fresh water. This means that
a diver who is neutrally buoyant in fresh water will find himself ----------- buoyant in the sea.
(See Page 23 Study Guide)
A
negatively
B
positively
C
neutrally
20
Light rays passing from water into air are bent, and this causes
objects to appear to be ---------- and ----------.
(See Page 24 Study Guide)
A
smaller and thinner
B
bigger and closer
C
smaller and further away
D
bigger and further away
E
bigger and thinner
21
Which of the following is NOT an important reason why the nose is
enclosed inside the divers mask?
(See Page 25 Study Guide)
A
To allow the air pressure to be balanced
B
To equalise pressure on the ears
C
To allow water to be cleared from the mask
D
To keep the nose warm in cold water
22
A weight belt is necessary to counteract buoyant diving suits and
some cylinders. A diving weightbelt should have a ------ -------buckle.
(See Page 27 Study Guide)
A
lockable
B
quick release
C
left handed
D
rear mounted
23
What is the total absolute pressure at 10m depth?
A
3.5 Bar
B
2.5 Bar
C
2.0 Bar
D
3.0 Bar
24
What is the total absolute pressure at 15m depth?
A
3.5 Bar
B
2.5 Bar
C
2.0 Bar
D
3.0 Bar
25
What is the total absolute pressure at 20m depth?
A
3.5 Bar
B
2.5 Bar
C
2.0 Bar
D
3.0 Bar
26
What is the total absolute pressure at 25m depth?
A
3.5 Bar
B
2.5 Bar
C
2.0 Bar
D
3.0 Bar
27
What is the volume of air in the bucket at 0m depth?
A
1/3
B
1/2
C
1/1
D
1/4
28
What is the volume of air in the bucket at 10m depth?
A
1/3
B
1/2
C
1/1
D
1/4
29
What is the volume of air in the bucket at 20m depth?
A
1/3
B
1/2
C
1/1
D
1/4
30
What is the volume of air in the bucket at 30m depth?
A
1/3
B
1/2
C
1/1
D
1/4
31
Name the item indicated as ‘A’
A
Eustachian tube
B
Outer ear
C
Inner ear
D
Ear drum
E
Middle ear
32
Name the item indicated as ‘B’
A
Eustachian tube
B
Outer ear
C
Inner ear
D
Ear drum
E
Middle ear
33
Name the item indicated as ‘C’
A
Eustachian tube
B
Outer ear
C
Inner ear
D
Ear drum
E
Middle ear
34
Name the item indicated as ‘D’
A
Eustachian tube
B
Outer ear
C
Inner ear
D
Ear drum
E
Middle ear
35
Name the item indicated as ‘E’
A
Eustachian tube
B
Outer ear
C
Inner ear
D
Ear drum
E
Middle ear
CLUB DIVER KNOWLEDGE REVIEW
SCUBA EQUIPMENT
1
The scuba unit is made up of:
(See Page 29 Study Guide)
A
Buoyancy compensator
B
Regulator
C
Air cylinder
D
All of these
2
Which of the following are NOT provided by the BC ?
(See Page 29 Study Guide)
A
Ability to maintain neutral buoyancy throughout the dive
B
Buoyancy at the surface
C
Escape from depth in an emergency
D
Lifejacket on the surface
E
Thermal protection during the dive
3
The regulator is a two stage pressure reducing valve which reduces
the high pressure cylinder air to ______ .
(See Page 30 Study Guide)
A
5 bar absolute
B
6 bar absolute
C
6 bar above ambient pressure
D
10 bar above ambient pressure
E
ambient water pressure
4
The first stage reduces the cylinder pressure to a preset
intermediate pressure of approximately _____ above ambient
pressure.
A
1 bar
B
10 bar
C
15 bar
D
20 bar
E
25 bar
5
The high pressure port on the regulator first stage should be fitted
with a high pressure __________ .
(See Page 30 Study Guide)
A
compass
B
depth gauge
C
cylinder pressure gauge
D
computer
E
BC inflation hose
6
A BSAC Club Diver's cylinder will contain compressed ____ .
(See Page 30 Study Guide)
A
air
B
helium
C
oxygen
D
argon
E
trimix
7
WC stamped on a cylinder means
(See Page 30 Study Guide)
A
water component
B
water content
C
water capacity
D
waterproof cylinder
E
weatherproof cylinder
8
The capacity of the diving cylinder is measured in terms of its empty
volume. To calculate it multiply ------ by -------.
(See Page 30 Study Guide)
A
Test pressure by tare weight
B
Water capacity by working pressure in bar
C
Water capacity by working pressure in kg cm2
D
Working pressure by test pressure
E
Working pressure by ambient pressure
9
To guard against regulator failure, you should have a _____.
(See Page 32 Study Guide)
A
snorkel
B
dpv
C
quick release weight belt
D
alternate air supply
E
large cylinder
14
Wetsuits are made from ------- .
(See Page 34 Study Guide)
A
Nylon
B
Plastic
C
Neoprene
D
Polyester
E
Cotton
10
A small cylinder and regulator clamped to your main cylinder is
called a _____.
(See Page 32 Study Guide)
A
puppy cylinder
B
a piggy back cylinder
C
a pony cylinder
D
an octopus rig
E
a twinset
15
The thicker the neoprene, the greater the --------- and --------- of the
suit.
(See Page 34 Study Guide)
A
warmth and buoyancy
B
warmth and flexibility
C
buoyancy and flexibility
D
buoyancy and abrasion resistance
E
negativity and warmth
11
In order to avoid decompression illness, accurate recording of
______ and time is vital.
A
air intake
B
breathing rate
C
residual volume
D
depth
E
finning speed
16
In cold water you should choose a ____ mm wet suit.
(See Page 34 Study Guide)
A
2mm
B
10mm
C
3mm
D
4mm
E
7mm
17
12
A dive watch should have a rotatable -------.
(See Page 32 Study Guide)
A
crown
B
bezel
C
strap
D
buckle
E
face
A membrane drysuit necessitates the wearing of a thermal ----------- for
warmth.
(See Page 34 Study Guide)
A
long john
B
sweater
C
vest
D
undersuit
E
hat
13
What is the primary function of the diving suit in temperate waters:
A
Protection from abrasion
B
Protection from jellyfish
C
Protection from hyperthermia
D
Protection from hypothermia
E
Protection from polluted waters
18
The airspace inside a drysuit will become compressed during a dive. A
necessary feature of a drysuit is therefore a ---- ------ from the cylinder.
(See Page 34 Study Guide)
A
high pressure line
B
MP direct feed
C
air hose
C
cable
E
cord
19
In tropical water, a lycra diveskin suit protects the diver from which
of the following?
(See Page 34 Study Guide)
A
coral abrasion
B
shark attack
C
hypothermia
D
hyperthermia
E
sea urchin wounds
20
An SMB stands for :
(See Page 35 Study Guide)
A
Shotline Marker Buoy
B
Sea Me Buoy
C
Surface Marker Buoy
D
Scuba Marker Buoy
E
Surface Mooring Buoy
21
In dark water or for night diving it is essential to take a ---------- .
(See Page 35 Study Guide)
A
knife
B
snorkel
C
flag
D
buddy line
E
torch
22
After diving you should always --------- your equipment in fresh -------- .
(See Page 36 Study Guide)
A
wash, water
B
pack, divebags
C
transport, seawater
D
rinse, seawater
E
store, divebags
23
Cylinders should be ------- --------- according to local regulations.
(See Page 36 Study Guide)
A
Sand blasted
B
Heat treated
C
Thoroughly rinsed
D
Internally serviced
E
Hydraulically tested
24
The diagram show parts of the Regulator Second Stage.
Match Item A to the descriptions in the list
A
Seat
B
Purge Button
C
Diaphragm
D
Valve
E
Mouthpiece
25
Match Item B to the descriptions in the list
A
Seat
B
Injector
C
Purge Button
D
Diaphragm
E
Mouthpiece
30
Match Item G to the descriptions in the list
A
Seat
B
Injector
C
Diaphragm
D
Exhaust Valve
E
Mouthpiece
26
Match Item C to the descriptions in the list
A
Lever
B
Injector
C
Purge Button
D
Valve
E
Exhaust Valve
31
Match Item H to the descriptions in the list
A
Seat
B
Lever
C
Injector
D
Purge Button
E
Diaphragm
27
Match Item D to the descriptions in the list
A
Seat
B
Injector
C
Purge Button
D
Diaphragm
E
Exhaust Valve
28
Match Item E to the descriptions in the list
A
Injector
B
Purge Button
C
Diaphragm
D
Valve
E
Exhaust Valve
29
Match Item F to the descriptions in the list
A
Purge Button
B
Diaphragm
C
Valve
D
Exhaust Valve
E
Mouthpiece
CLUB DIVER KNOWLEDGE REVIEW
BUDDY DIVING
1
2
3
4
5
Diving Signals should be ___________ .
(See Page 39 Study Guide)
A
clear
B
bold
C
acknowledged
D
checked before the dive
E
all of the above
If you unhappy with any aspect of the dive plan you should
_______.
(See Page 41 Study Guide)
A
Go along with it anyway
B
Trust the experience of your buddy
C
Trust the experience of the dive marshal
D
Insist that the plan is altered to your satisfaction
E
Complain after the dive.
6
The golden rule in the world of sport diving is _____.
(See Page 40 Study Guide)
A
Never dive before lunch
B
Never dive with a more qualified diver
C
Never dive after lunch
D
Never dive alone
E
Never dive in a current
Plan the dive and __________
(See Page 41 Study Guide)
A
Plan the lunch
B
Dive the plan
C
Dive the wreck
D
Plan to dive
E
Dive the dive
7
The main object of buddy diving is for one diver to _____ _______
to the other .
(See Page 40 Study Guide)
A
Provide assistance where necessary
B
Provide spare equipment backup
C
Provide training
D
Provide transport
E
Provide leadership
A brief should preceed each dive. A good aide memoire is
________.
(See Page 42 Study Guide)
A
SODS
B
SOS
C
SAIDS
D
SEEDS
E
REAP
8
The Buddy Check ensures that __________.
(See Page 42 Study Guide)
A
All equipment is present and correctly fitted
B
Air is turned on
C
Direct feeds are operating
D
Weightbelt operational
E
All of the above
9
Before entering the water, you should make sure that you can also _____
easily and safely.
(See Page 43 Study Guide)
A
Park
B
Eat lunch
C
Exit the water
D
Snorkel swim
E
Telephone
The following aspects need to be incorporated in a good dive plan
(pick 4).
(See Page 41 Study Guide)
A
Leadership
B
Objective
C
Deep Diving
D
Site and conditions
E
Equipment
10
At the shore, the best place to put on your mask and fins is _____.
(See Page 44 Study Guide)
A
In the carpark
B
In chest deep water
C
In thigh deep water
D
At the water's edge
E
At the top of the beach
15
In the last few metres you should ensure that you _______ .
(See Page 45 Study Guide)
A
Slow your breathing down
B
Look down
C
Hold your outstretched fist above your head
D
Fin as hard as possible
E
Dump all air from your BC
11
During the dive you should _____ _____ to your buddy.
(See Page 44 Study Guide)
A
Wave occasionally
B
Signal constantly
C
Stay close
D
Hold hands
E
Tie yourself
16
Once you have inflated your BC on the surface and exchanged OKs
with your buddy, you should _____ .
(See Page 45 Study Guide)
A
Swim as fast as possible for shore
B
Wave vigorously to the dive boat or shore party
C
Shout to the dive boat or shore party
D
Signal "OK at Surface" to the dive boat or shore party
E
Lie back and relax
12
During the dive you should regularly monitor ________ .
(See Page 44 Study Guide)
A
Air
B
Depth
C
Time
D
Computer readings
E
All of the above
17
If you become separated from your buddy during the dive you
should ________ .
(See Page 45 Study Guide)
A
Press on alone
B
Search for 5 minutes and then press on
C
Search for 10 minutes and then surface
D
Stop where you are
E
Stop, look around for a few seconds and then ascend
normally
18
Incidents are avoided by ______ . Pick 4.
(See Page 46 Study Guide)
A
Good training
B
Bravery and boldness
C
Physical fitness
D
Proper dive planning & leadership
E
Alert attitude
13
14
The correct rate of ascent to 6m is ________ .
(See Page 45 Study Guide)
A
18 metres per minute
B
10 metres per minute
C
20 metres per minute
D
3 metres per minute
E
15 metres per minute
Arriving at 6m during the ascent you should ________.
(See Page 45 Study Guide)
A
Descend
B
Ascend immediately
C
Pause then take 1 minute to ascend
D
Pause then ascend to 3m
E
Ascend to 3m and then pause
19
20
21
22
The Above Sign means:
A
Stop
B
OK
C
I am out of breath
D
I am out of air
E
Distress
23
The Above Sign means:
A
Up and down
B
OK
C
I am out of breath
D
I am out of air
E
Distress
24
The Above Sign means:
A
Stop
B
Up and down
C
OK
D
I am out of breath
E
Distress
The Above Sign means:
A
Stop
B
Up and down
C
OK
D
I am out of breath
E
I am out of air
The Above Sign means:
A
Stop
B
Up and down
C
You or me
D
OK
E
I am out of breath
The Above Sign means:
A
Stop
B
OK
C
I am out of breath
D
I am out of air
E
Distress
CLUB DIVER KNOWLEDGE REVIEW
THE HUMAN LIFE SUPPORT SYSTEM
1
2
3
4
The process by which our body turns food oxygen into energy is
called _____ .
(See Page 49 Study Guide)
A
respiration
B
absorption
C
metabolism
D
circulation
E
hyperventilation
Without a continuous supply of oxygen and the removal of carbon
dioxide and waste products, our body tissues will _____.
(See Page 49 Study Guide)
A
shrink
B
grow
C
die
D
spasm
E
turn to fat
Exhaled air consists of ----- of nitrogen, ----% of oxygen and -----% of
carbon dioxide?
(See Page 49 Study Guide)
A
80/16/4
B
80/19.6/0.4
C
20/16/64
D
20/70/10
E
70/20/10
Nitrogen is absorbed into the body but it plays no part in
metabolism. In diving, the inadequate release of surplus nitrogen
can cause _____.
(See Page 49 Study Guide)
A
hypoxia
B
hypercapnia
C
decompression illness
D
air embolism
E
a cardiac shunt
5
Respiration is the process of taking ------ from the air into the blood
and releasing --------- from the bloodstream to be exhaled.
(See Page 50 Study Guide)
A
nitrogen/carbon dioxide
B
oxygen/nitrogen
C
carbon dioxide/oxygen
D
oxygen/carbon dioxide
E
oxygen/carbon monoxide
6
The airways to the lungs end in minute sacs called -------- where the
gas exchange occurs.
(See Page 50 Study Guide)
A
bronchi
B
bronchioli
C
pleura
D
platelets
E
alveoli
7
Air is drawn into the lungs by the movement of which muscles?
(See Page 50 Study Guide)
A
pectoral
B
peritonal
C
pelvic floor
D
diaphragm
E
femoral
8
The stimulus to breathe is triggered by _____.
(See Page 50 Study Guide)
A
a build up of carbon dioxide in the blood
B
a reduction of oxygen in the blood
C
a reduction of oxygen in alveoli
D
a reduction of oxygen in the tissues
E
a build up of carbon dioxide in the tissues
9
Where a gas and a liquid are in contact, gas will attempt to --------the liquid.
(See Page 51 Study Guide)
A
boil
B
dissolve in
C
evaporate out of
D
dry up
E
carbonate
13
The Residual Volume (that which must remain to keep the lungs
open) is about _____.
(See Page 52 Study Guide)
A
2 litres
B
3 litres
C
4.5 litres
D
1.5 litres
E
0.5 litres
10
Blood returning to the alveoli is low in -------- compared to the air in
the lungs. This results in a flow of oxygen across the alveoli.
(See Page 51 Study Guide)
A
nitrogen
B
carbon dioxide
C
oxygen
D
carbon monoxide
E
haemoglobin
14
The body must have a certain level of dissolved oxygen to function.
If the oxygen level falls too low, a condition called -------- exists.
(See Page 53 Study Guide)
A
Decompression illness
B
Hypoxia
C
Hypercapnia
D
Hyperventilation
E
Hypodilution
11
Oxygenated blood is carried in blood vessels called -------- and it is
bright red.
(See Page 52 Study Guide)
A
veins
B
arteries
C
pulmonary artery
D
inferior vena cava
E
superior vena cava
15
--------- is a dangerous practice that delays the urge to breathe by
reducing the level of carbon dioxide without increasing the level of
oxygen.
(See Page 53 Study Guide)
A
Hyperventilation
B
Hyperactivity
C
Hypodermitation
D
Hyperthermia
E
Hypothermia
12
The lung capacity of the average adult man is about _____.
(See Page 52 Study Guide)
A
2 litres
B
3 litres
C
4 litres
D
6 litres
E
8 litres
16
Exhaustion is made worse by (pick three).
(See Page 54 Study Guide)
A
Mental fatigue
B
lack of physical fitness
C
a full stomach
D
loss of body heat
E
stamina
CLUB DIVER KNOWLEDGE REVIEW
GASES UNDER PRESSURE - Part 1
1
2
3
4
5
What useful purpose does nitrogen fulfil in the human body?
(See Page 57 Study Guide)
A
It carries oxygen to the tissues
B
It removes carbon dioxide from the tissues
C
Nothing
D
It transports food to the tissues
E
It removes waste from the tissues
Nitrogen will be released during an ascent, and at what other time?
(See Page 57 Study Guide)
A
At the deepest part of the dive
B
During the descent
C
After the dive, on the surface
6
In a normal state our bodies are saturated with nitrogen, and when
diving, increasing ambient pressure results in -------- nitrogen
absorption.
(See Page 57 Study Guide)
A
More
B
Less
C
The same amount of
Which of the following tissue types releases nitrogen quickly?
(See Page 57 Study Guide)
A
fat
B
cartilage
C
heart
D
tendons
E
bones
7
One of the following tissue types can hold more nitrogen than the
others, pick that one.
(See Page 57 Study Guide)
A
heart
B
lungs
C
cartilage
D
liver
E
muscles
8
If you dive to one of the following depths, you will not be at risk from
DCI, no matter how long you dive.
(See Page 57 Study Guide)
A
5m
B
10m
C
15m
D
20m
E
25m
9
The safe time limit for a given dive to a given depth which minimises
the risk of DCI is called _____.
(See Page 57 Study Guide)
A
bottom time
B
dive time
C
surface interval time
D
no stop time
E
decompression stop time
On ascent the ambient pressure falls and this causes the tissues to ------- nitrogen.
(See Page 57 Study Guide)
A
absorb more
B
release
C
expand with
D
dissolve
E
neutralise
A sudden drop in pressure (a fast ascent) may not give enough time
for a safe release of nitrogen. This can result in a medical condition
called _____.
(See Page 57 Study Guide)
A
Nitrogen narcosis
B
HPNS
C
Hypercapnia
D
Decompression Illness
E
Nitrogen poisoning
10
You can find no stop times for given dive depths by looking in _____.
(See Page 58 Study Guide)
A
Club Diver Study Guide)
B
Your log book
C
A set of tide tables
D
BSAC '88 Decompression Tables
E
Safe Diving Practices
16
What is the partial pressure of nitrogen in air at 30m?
(See Page 60 Study Guide)
A
3.2 bar
B
32 bar
C
0.8 bar
D
8.0 bar
E
2.3 bar
11
Mild decompression illness results in disorders in which of the following?
(See Page 58 Study Guide)
A
Brain
B
Spine
C
Joints
D
Lungs
E
Eyes
17
Each gas has a partial pressure threshold after which it becomes _____.
(See Page 60 Study Guide)
A
explosive
B
narcotic
C
liquid
D
solid
E
toxic
12
In amateur divers, it is most likely that a case of DCI will be _____.
(See Page 58 Study Guide)
A
Severe
B
Mild
18
13
85% of DCI cases will occur within _____ of surfacing?
(See Page 58 Study Guide)
A
5 minutes
B
30 minutes
C
60 minutes
D
3 hours
E
6 hours
The treatment for nitrogen narcosis is to _____.
(See Page 60 Study Guide)
A
descend
B
ascend
C
breathe oxygen at the surface
D
go to a recompression chamber
E
take a single aspirin
14
In air at amospheric pressure, nitrogen would have a partial pressure of _____.
(See Page 60 Study Guide)
A
0.2 bar
B
0.16 bar
C
0.8 bar
D
1.16 bar
E
8.0 bar
15
What is the partial pressure of oxygen in air at 20m?
(See Page 60 Study Guide)
A
0.2 bar
B
0.4 bar
C
0.6 bar
D
0.8 bar
E
1.0 bar
19 The partial pressure after which oxygen may become toxic is _____.
(See Page 60 Study Guide)
A
1 bar
B
1.2 bar
C
1.4 bar
D
1.6 bar
E
1.8 bar
20
Acute Oxygen poisoning symptoms are _____.
(See Page 60 Study Guide)
A
cherry red lips
B
euphoria
C
a bad cough
D
bloody froth at the mouth
E
convulsions
21
Carbon monoxide poisoning in scuba divers is most likely caused by _____.
(See Page 61 Study Guide)
A
diving too deep
B
working too hard at depth
C
breath holding
D
a bad air fill
E
smoking
CLUB DIVER KNOWLEDGE REVIEW
GASES UNDER PRESSURE - Part 2
1
2
3
4
What is the average air consumption rate at the surface for
someone doing light work?
(See Page 62 Study Guide)
A
10 l/min
B
15 l/min
C
20 l/min
D
25 l/min
E
50 l/min
A hard working diver e.g. finning hard could consume air at what
rate?
(See Page 62 Study Guide)
A
25 l/min
B
50 l/min
C
75 l/min
D
100 l/min
E
500 l/min
A 12 litre dive cylinder has a working pressure of 232 bar. What is
the volume of free air?
(See Page 62 Study Guide)
A
2320 litres
B
1933 litres
C
2784 litres
D
250 litres
E
3200 litres
A 10 litre dive cylinder has a working pressure of 232 bar. What is
the volume of free air?
(See Page 62 Study Guide)
A
2784 litres
B
23.2 litres
C
250 litres
D
23 litres
E
2320 litres
5
A 10 litre dive cylinder has a capacity of 2320 litres at 232 bar WP
but the pressure gauge reads 160 bar. How much free air is in the
cylinder?
(See Page 62 Study Guide)
A
1600 litres
B
2320 litres
C
1464.50 litres
D
160 litres
E
1920 litres
6
You should always plan to surface with ------ still in your cylinder.
(See Page 63 Study Guide)
A
a planned reserve of air
B
50% of your air
C
33% of your air
7
A 10 litre cylinder, WP 232 bar is to be used for a dive to 20m and a
reserve of 50 bar has been decided on. Assuming a surface air
consumption of 25 l/min, what approximate dive duration can be
expected?
(See Page 63 Study Guide)
A
20 minutes
B
18 minutes
C
30 minutes
D
24 minutes
E
32 minutes
8
A 12 litre cylinder, WP 232 bar is to be used for a dive to 30m and a
reserve of 50 bar has been decided on. Assuming a surface air
consumption of 25 l/min, what approximate dive duration can be
expected?
(See Page 63 Study Guide)
A
18 minutes
B
20 minutes
C
22 minutes
D
24 minutes
E
26 minutes
9
A diver wishes to remain at 20m for 20 minutes and to have an
adequate reserve of air. Assuming an air consumption rate at the
surface of 25 l/min, what would be the air requirement?
(See Page 63 Study Guide)
A
1995 litres
B
2320 litres
C
2784 litres
D
1500 litres
E
1550 litres
10
What would be the smallest cylinder required for the above dive?
(See Page 63 Study Guide)
A
10 litre, 190 WP
B
10 litre, 212 WP
C
10 litre, 232 WP
D
12 litre, 232 WP
E
15 litre, 232 WP
11
Enjoyable and trouble free dives are dives which are _____.
(See Page 64 Study Guide)
A
shallow
B
local
C
deep
D
planned
E
abroad
12
Which of the following considerations should form a part of
advanced dive planning?
(See Page 64 Study Guide)
A
Who to dive with
B
Who will lead
C
Object of the dive
D
Site Selection
E
All of the above
13
Which of the following points will NOT contribute to the avoidance of
a diving incident?
(See Page 66 Study Guide)
A
Practice of personal skills
B
Buying the most expensive equipment
C
Planning the dive
D
Buddy and self monitoring
E
Diving with an experienced buddy
14
Which of the following is most likely to minimise the risks of you
diving beyond the limits of your experience?
(See Page 67 Study Guide)
A
Diving to the maximum depth limit allowed for your grade.
B
Building open water experience progressively.
C
Diving outside of the Branch with friends.
D
Pressing on regardless of gut feelings.
E
Being afraid to appear lacking in courage
15
Which of the following is NOT a recommended way of minimising
the chance of running out of air?
(See Page 67 Study Guide)
A
Skip breathing
B
Monitoring your air supply
C
Calculating your air supply needs
D
Having an AAS
E
Being adequately equipped
16
If you and your buddy are on the surface and separated from your
surface cover boat, a _____ would be useful.
(See Page 67 Study Guide)
A
whistle
B
collapsible flag
C
SMB
D
brightly coloured hood
E
All of the above
CLUB DIVER KNOWLEDGE REVIEW
ADVENTUROUS DIVING - Part 1
1
2
3
4
Which of the following benefits is true of shore diving rather than
boat diving?
(See Page 69 Study Guide)
A
Access to remote coastal sites
B
Access to offshore reefs and wrecks
C
No requirement for launch facilities
D
Increased safety
E
Increased scope for adventure
When diving from a small boat, it is usual to suit up _____.
(See Page 69 Study Guide)
A
On land, before leaving the shore
B
During the trip to the site
C
On arrival at the site
D
Sitting in the boat before leaving the shore
E
two waves, at the site.
When diving from a small boat, it is recommended to take your basic
equipment and accessories in _____ _____.
(See Page 69 Study Guide)
A
Large plastic crate
B
Normal diving bag
C
Stackable plastic storage trunk
D
Small kit bag
E
Carrier bag
When diving from a small boat, you should ---- ------- on the trip to
the dive site.
(See Page 69 Study Guide)
A
Sit on the tubes and hold onto the safety lines
B
Sit on the floor
C
Sit on the equipment
D
Stand up
E
Move about
5
When diving from a small boat, you should enter the water by
_____.
(See Page 69 Study Guide)
A
A giant stride from the tubes
B
A giant stride from the engine transom
C
A forward roll from the side
D
A backward roll from the side
E
A backward roll from the bow
6
When diving from a small boat, it is recommended to _____.
(See Page 69 Study Guide)
A
Anchor the boat and dive together
B
Anchor the boat and dive in two waves
C
Dive in two waves with the boat providing surface cover
D
Dive together using the boat as a marker buoy
E
Dive singly, rest acting as surface cover
7
As the boat approaches close to pick up divers, the engine must be
_____ _____.
(See Page 69 Study Guide)
A
Revving slowly and quietly
B
Not moving fast enough to show a wake
C
Put in reverse
D
Put into neutral
E
Turned off
8
When diving from a large boat you should take dry, windproof
clothes and _____.
(See Page 70 Study Guide)
A
Store them on deck
B
Hang them from any deck lines available
C
Store them in a dry hold-all in a dry place
D
Put them in the bag with your dive kit
E
Lay them tidily on the deck
9
On a large boat you should usually kit up _____.
(See Page 70 Study Guide)
A
Before boarding
B
As soon as the boat leaves harbour
C
When you reach the dive site
D
About 10 minutes before arriving at the dive site
E
On board, before the boat sails.
13
When diving from a liveaboard boat, you should _____.
(See Page 70 Study Guide)
A
Take your clothes in only one rigid suitcase
B
Take the minimum of clothes necessary in a soft holdall
C
Take your clothes split between several holdalls
D
Remember to take plenty of pairs of suitable shoes
E
Take lots of clothes - you will be on board for a week
10
It is usual to enter the water from a large boat by _____.
(See Page 70 Study Guide)
A
A forward roll from the bow
B
A backward roll from the side
C
A giant stride from the deck level
D
A giant stride from the bow
E
A backward roll from the deck level
14
When diving from a liveaboard, you should _____.
(See Page 70/1 Study Guide)
A
Keep your diving suits in your cabin
B
Kit up in your cabin
C
Take a reasonable amount of spare equipment with you
D
Conserve water by washing yourself only at the end of the
trip
E
Conserve water by offering to shower with your buddy
11
It is usual to re-enter a large boat _____.
(See Page 70 Study Guide)
A
Wearing your kit, regulator in.
B
As slowly as possible, having first removed your kit in the
water
C
As slowly as possible, fins and mask off, regulator out.
D
Speedily up the ladder, fins off and regulator out
E
Wearing all kit, regulator out
15
To avoid seasickness, you should _____.
(See Page 71 Study Guide)
A
Stay downwind of the diesel exhaust
B
Take anti-seasickness drugs as prescribed by a diving
doctor
C
Eat a hearty fried breakfast before sailing
D
Stay in the toilet until it is time to kit up
E
Stay below decks until it is time to kit up
16
What is the best reason to undertake a deep dive?
(See Page 72 Study Guide)
A
To get a thrill.
B
To gain the respect of your fellow divers
C
To access a particular site
D
To have "been there".
E
To see if you are susceptible to nitrogen narcosis
12
Once back on board you should _____ _____.
(See Page 70 Study Guide)
A
Make a cup of tea
B
Put your kit down on the deck and relax
C
Lay your equipment around the deck to dry
D
Stand around the entry point to discuss the dive with
returning divers
E
Pack your equipment away tidily and keep clear of returning
divers
17
Which of the following is NOT subject to increased risk by diving
deep?
(See Page 72 Study Guide)
A
Decompression illness
B
Nitrogen narcosis
C
Anxiety and panic
D
Running out of air
E
Separation from the surface party
18
What is the most critical factor to success in undertaking a deep
dive?
(See Page 72 Study Guide)
A
State of the art equipment
B
Plenty of gas
C
A torch
D
Meticulous dive planning
E
A shot line
19
What is slack water?
(See Page 73 Study Guide)
A
Non-saline water
B
A time of day when tidal streams at the location are minimal
C
Calm surface conditions
D
A time when wind speed is less than 3 knots
E
Water conditions where visibility is less than 5m
20
Why would a diver choose to dive at night?
(See Page 73 Study Guide)
A
Can see sea creatures venturing out to feed
B
Can focus on a particular area in detail
C
Use of a torch brings colour to play
D
Often a good social occasion
E
All of the above
21
What is the main risk in night diving?
(See Page 73 Study Guide)
A
Nitrogen narcosis
B
Cold
C
Shark attack
D
Loss of contact with surface/shore party
E
Torch failure
22
Which of these would be the best for night diving?
(See Page 74 Study Guide)
A
Wide sandy bay, max. depth 20m
B
Sheltered rocky cove, max depth 15m.
C
Sheltered rocky cove, max. depth 35m
D
Drift dive in a tidal flow
E
Wreck dive in 30m
23
On a night dive, every diving pair should have _____.
(See Page 74 Study Guide)
A
3 torches
B
An illuminated SMB
C
Two whistles
D
Two strobes or personal flares
E
All of the above
CLUB DIVER KNOWLEDGE REVIEW
ADVENTUROUS DIVING - Part 2
1
2
3
4
5
If you find/salvage an article from a shipwreck you must _____.
(See Page 75 Study Guide)
A
Give it to your D.O.
B
Keep it for yourself
C
Give it to the Branch
D
Give it to the local museum
E
Report it to HM Receiver of Wreck
What is a drift dive?
(See Page 76 Study Guide)
A
A dive where the entry and exit point is not the same.
B
A dive where there are a number of different areas to be
visited
C
A dive where the boat moves to pick you up
D
A dive in a tidal stream
E
A dive on a sandy bottom
6
Caution! Corroding metal plates may be _____.
(See Page 76 Study Guide)
A
dirty
B
razor sharp
C
valuable
D
worth lifting
E
toxic
What is essential when drift diving?
(See Page 77 Study Guide)
A
A torch
B
A pony cylinder
C
A compass
D
An SMB
E
A shot line
7
The best way to descend/ascend to a wreck from the surface is
_____.
(See Page 76 Study Guide)
A
A shot line
B
Free descent
C
Using a delayed SMB
D
Using the anchor line of your boat
E
Using the anchor line of someone else's boat
Which of the following are essential safety precautions for drift
diving?
(See Page 77 Study Guide)
A
Boat cover
B
An agreed plan
C
Good visibility
D
Buddy discipline
E
Calm weather
8
What is pilotage?
(See Page 78 Study Guide)
A
The ability to fly a plane
B
The ability to navigate a boat
C
The ability to navigate underwater using natural features
D
The ability to navigate underwater using a compass
E
All of the above
It is not recommended that Club Divers _____.
(See Page 76 Study Guide)
A
Enter inside the wreck
B
Wreck dive
C
Night Dive
D
Drift dive
E
Survey wrecks
9
When using a diving compass you should point ----- ------ in the
direction you wish to go.
(See Page 78 Study Guide)
A
The N needle
B
The Direction of Travel arrow
C
The strap
D
Your finger
E
The bezel
13
Having reached the object, if you wanted to swim back to the start
point, you would take the _____.
(See Page 139 Sport Diving
A
Triangular bearing
B
Distance travelled
C
Reciprocal course
D
Position line
E
Transit
10
What is the numeric designation of due West?
(See Page 78 Study Guide)
A
000 degrees
B
090 degrees
C
270 degrees
D
180 degrees
E
None of the above
14
What is the reciprocal course for 180 degrees?
(See Page 139 Sport Diving
A
270
B
360
C
090
D
100
E
180
11
On a compass the needle will always point to _____.
(See Page 79 Study Guide)
A
The object you are travelling towards
B
Magnetic South
C
Magnetic North
D
The surface
E
The direction of travel
15
If you are swimming on a bearing of 270 degrees and you turn 090
degrees to the left you would then swim a course of _____.
(See Page 138 Sport Diving
A
180 degrees
B
090 degrees
C
000 degrees
D
145 degrees
E
015 degrees
12
If you wish to swim to an object which is due south from your current
position, you would rotate the bezel on your compass until the
direction guide is aligned with which number?
(See Page 80 Study Guide)
A
270
B
000
C
180
D
360
E
090
16
To swim a triangular course, you adjust your bearing each leg by
_____.
(See Page 138 Sport Diving
A
90 degrees
B
60 degrees
C
45 degrees
D
120 degrees
E
180 degrees
17
A compass will be affected by _____.
(See Page 80 Study Guide)
A
The atmospheric pressure
B
The weather
C
The radio
D
Proximity to steel,iron
E
The depth of water
18
A useful way of calculating distance underwater is _____.
(See Page 81 Study Guide)
A
Watching your small exhaust bubbles
B
Counting breaths
C
Counting fin strokes
D
Using your contents gauge
E
Counting sand ripples
19
An SMB can be used for _____.
(See Page 81 Study Guide)
A
Showing divers' location to surface party
B
Signalling from surface to divers
C
A buddy line between divers
D
Surface buoyancy
E
All of the above
20
When descending with an SMB you should _____.
(See Page 82 Study Guide)
A
Reel out the entire line as quickly as possible
B
Lock off immediately you begin descent
C
Reel out as you go
D
Rotate the line around the mainshot line as you descend
E
Let out plenty of slack before leaving the surface
21
During a dive with an SMB, you should _____.
(See Page 83 Study Guide)
A
Avoid much slack in the line
B
Avoid holding the reel in your hand
C
Avoid locking off the reel at any time
D
Hold it on the same side as your buddy
E
Take it into all enclosed spaces with you
22
When ascending with an SMB, you should _____.
(See Page 83 Study Guide)
A
Let it go
B
Give it to your buddy
C
Reel in as you ascend
D
Deflate it at depth before ascending
E
Reel it all in at the surface
CLUB DIVER KNOWLEDGE REVIEW
OCEAN DIVING
1
A Club Diver uses the BSAC '88 Decompression Tables to _____.
(See Page 85 Study Guide)
A
Eliminate the possibility of getting DCI
B
Plan decompression stop dives
C
Plan dives to 25m
D
Plan no-stop dives to a maximum of 20m only
E
Plan extended range diving
2
You should plan to reach the deepest point of your dive ____.
(See Page 85 Study Guide)
A
At the end of the dive
B
In the middle of the dive
C
At the end of dive time
D
As early as possible in the dive
E
No more than three times per dive
3
4
When calculating decompression, if you are in doubt about the exact
depth, you should _____.
(See Page 85 Study Guide)
A
Use the shallower depth increment
B
Use the deeper depth increment
C
Add 3m as a safety precaution
D
Add 6m as a safety precaution
E
Round up to the next even number
What is the ascent check depth for a no stop dive?
(See Page 85 Study Guide)
A
The depth at the end of the dive before ascending
B
The depth at the level of your first decompression stop
C
9m
D
6m
E
Surface
5
Dive time is _____.
(See Page 85 Study Guide)
A
The total elapsed time of the dive
B
The time between the start of descent and the start of
ascent
C
The time between the start of descent and reaching 6m on
the ascent
D
The time between the start of descent and the deepest point
of the dive
E
The time between the end of the descent and the start of
the ascent
6
What does the Surfacing Code describe?
(See Page 86 Study Guide)
A
The length of the dive
B
The depth of the dive
C
The length of the decompression stop
D
The diver's tissue saturation level (nitrogen) on surfacing
from the dive
E
The time till flying in an aeroplane is allowed
7
What is the Surface Interval?
(See Page 86 Study Guide)
A
The time between the start of one dive and the start of the
next
B
The time between surfacing from one dive and descending
on the next dive
C
The distance between two dive sites
D
The distance necessary to swim out to start a descent
E
The time necessary to wait before flying in an aeroplane
after diving.
8
The Current Tissue Code indicates:
(See Page 86 Study Guide)
A
Which Table the diver can now use to make a dive
B
The level of nitrogen saturation at the end of the previous
dive
C
The length of time necessary for the Surface Interval
D
The depth of the current dive
9
10
11
12
13
If you are making a dive in particularly cold water or that will involve
extra effort, you should:
(See Page 87 Study Guide)
A
Wear extra weight
B
Subtract 6m from your planned maximum depth
C
Dive to the limit of the no stop time
D
Dive well within the no stop limits
E
Make a safety stop at 5m
14
If you dive to a maximum depth of 6m, what is your no stop time?
A
243 minutes
B
376 minutes
C
479 minutes
D
480 minutes
E
Unlimited
15
Correct use of Decompression Tables is reliant on _____.
(See Page 87 Study Guide)
A
Use of a Dive Computer
B
Accurate counting of fin strokes
C
Ascent in line with your small exhaust bubbles
D
Precise recording and monitoring of depth and time
E
Precise recording of depth
What is the Surfacing Code for a dive to 20m for 32 minutes?
(See Page 88 Study Guide)
A
D
B
E
C
F
D
G
E
C
16
No stop dive times are coloured -------- on the BSAC '88 Tables?
(See Page 88 Study Guide)
A
pale yellow
B
pale blue
C
white
D
pale green
E
grey
What is the maximum no stop Dive Time for a No Stop Dive to 20m?
(See Page 88 Study Guide)
A
51 minutes
B
101 minutes
C
37 minutes
D
77 minutes
E
36 minutes
17
Is it possible to do a No Stop Dive with a Dive Time of 50 minutes to
a maximum depth of 17m?
(See Page 88 Study Guide)
A
YES
B
NO
18
If the Surface Interval between two dives is 16.5 hours, then which
Table will the second dive be made on?
(See Page 89 Study Guide)
A
A
B
B
C
C
D
D
E
E
What is the longest no stop Dive Time you could have for a No Stop Dive to
15m?
(See Page 88 Study Guide)
A
122 minutes
B
98 minutes
C
74 minutes
D
136 minutes
E
73 minutes
What is the longest no stop Dive Time you could have for a No Stop Dive to
17m?
(See Page 88 Study Guide)
A
74 minutes
B
73 minutes
C
101 minutes
D
50 minutes
E
51 minutes
19
The Surface Interval is to provide the body time to:
(See Page 89 Study Guide)
A
Rest
B
Feed
C
Become hydrated
D
Release nitrogen
E
Oxygenate
20
You have dived to 18m for a Dive Time of 50 minutes. You wish to
dive again after 20 minutes. What is the maximum depth to which
you can make a No Stop Dive?
(See Page 89 Study Guide)
A
3m
B
6m
C
9m
D
12m
E
15m
21
22
You have dived to 18m for a Dive Time of 30 minutes. If you wish to
make your next dive on Table B, what Surface Interval must you
allow?
(See Page 89 Study Guide)
A
30 minutes
B
1 hour
C
2 hours
D
3 hours
E
4 hours
You have dived to 20m for a Dive Time of 35 minutes. You plan a 2
hour Surface Interval and then wish to dive again to 15m for 20
minutes. What will your Surfacing Code be at the end of the second
dive?
(See Page 90 Study Guide)
A
F
B
G
C
E
D
D
E
C
23
You have dived to 18m for a Dive Time of 50 minutes. You wish to
make a second No Stop dive to 15m for a Dive Time of 20 minutes.
How long must your Surface Interval be?
(See Page 90 Study Guide)
A
60 minutes
B
90 minutes
C
2 hours
D
3 hours
E
16 hours
24
You have dived to 17m for a Dive Time of 40 minutes. You wish to
make a second No Stop Dive to 15m for a Dive Time of 30 minutes.
How long must your Surface Interval be?
(See Page 90 Study Guide)
A
60 minutes
B
90 minutes
C
2 hours
D
3 hours
E
4 hours
25
You fly into your dive destination. How long should you wait before
diving?
(See Page 90 Study Guide)
A
1 hour
B
16 hours
C
8 hours
D
24 hours
E
10 hours
26
You have been on a diving holiday. How long should elapse from
the end of your last dive to the flight?
(See Page 90 Study Guide)
A
1 hour
B
16 hours
C
8 hours
D
24 hours
E
12 hours
27
Which of the following have been included in the decompression
program calculations of a dive computer?
(See Page 91 Study Guide)
A
Water temperature
B
Age of diver
C
Fitness of diver
D
Exertion of diver
E
Mathematical model of nitrogen uptake in the tissues
28
The advantage to the diver of a multi level dive computer in
comparison to decompression tables is that the computer takes into
account _____.
(See Page 92 Study Guide)
A
The physical condition of the diver
B
The water conditions on the dive
C
The actual dive profile
D
The actual exertion used during the dive
E
The individual characteristics of the diver
29
30
A multi level dive computer contains more safeguards against DCI
than using a standard decompression table?
(See Page 90 Study Guide)
A
True
B
False
C
Only if used on a saw tooth profile.
D
Only if used on multiple dives
E
Only if used regularly
When using a multi level dive computer you must _____.
(See Page 93 Study Guide)
A
Never also plan your decompression using tables
B
Never take a back up plan with you on a slate
C
Never set your watch at the start of the dive
D
Plan your dive meticulously
E
Trust the computer, not your common sense
31
Stronger winds give rise to ------ and ------- waves.
(See Page 96 Study Guide)
A
Frequent and shorter
B
Shorter and higher
C
Shorter and faster
D
Longer and higher
E
Longer and shorter
32
Waves cause ------ underwater. Avoid diving in -------.
(See Page 96 Study Guide)
A
Poor visibility
B
Haloclines
C
Thermoclines
D
Surges
E
Whirlpools
33
With regard to marine life, the rule when diving is to _____.
(See Page 97 Study Guide)
A
Only take what you can eat
B
Only take what is not alive
C
Only take what you can fit into your BC safely
D
Look but don't touch
E
Only catch large fish
34
Once qualified as a Club Diver, you should develop your diving skills
by _____.
(See Page 97 Study Guide)
A
Becoming a Sports Diver
B
Remaining a Club Diver
C
Diving with other organisations
D
Watching videos
35
You can expand your general diving skills in particular areas by
____.
(See Page 97 Study Guide)
A
Diving with the Branch
B
Attending BSAC Skill Development courses
C
Diving for experience
D
Diving with more experienced buddies
E
All of the above