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Flashcards in RBT Scuba Deck (50)
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1
Q

RDP

A

recreational dive planner

2
Q

recreational divers do not make _____.

A

decompression dives

3
Q

the RDP is for _____

A

no decompression diving

4
Q

4 precautions/dangers with depth

A

less margin for error
bottom time is shorter
the surface is further away
more susceptible to nitrogen narcosis

5
Q

3 recommended limits for recreational divers

A

60’ for novices
100’ for all recreational divers
130’ for recreational divers w/special
training

6
Q

if you dive < 130’ than no _____ is necessary

A

safety stop

7
Q

if u dive over 130’ than it is automatically

a ______.

A

decompression dive

8
Q

SAFE diver

A

Slowly Ascend From Every dive

9
Q

safe ascension rate is _____.

A

1’/1sec

10
Q

safety stops are at _____ and are for _____

in duration. they provide an _____ of safety.

A

15’
3 minutes
extra margin

11
Q

14 basic scuba skills

A

1)assemble/disassemble equipment
2)predive safety check
3)know hand signals
4)deep water entry
5)weight removal/replacement at surface
6)exchange snorkel for regulator with
face in the water
7)remove/replace/clear mask
8)proper descent
9)establish neutral buoyancy mid water
and at bottom
10)locate buddy’s alternate air source
and breathe for 30 seconds
11)buddy breath with partner
12)breathe from free-flowing regulator
13)controlled emergency ascent from 30’
14)proper ascent

12
Q

8 steps to setting up SCUBA equipment

A

1)tank upright with valve on right side
2)BCD facing away from you
3)insert tank into to wet tank strap/secure
4)hold regulator with 2nd stage on right
5)check o-ring on tank
6)attach 1st stage to tank
7)attach low-pressure hose from regulator
to low-pressure inflator hose on BCD
8)slowly open tank valve fully/quarter turn
back.

13
Q

5 step predive safety check

A

1) buoyancy
2) weights
3) releases
4) regulators/air
5) friend

14
Q

buoyancy safety check includes 3 things

A

inflator hose functions properly
BCD holds air without leaking
BCD’s exhaust valves vent air smoothly

15
Q

weights safety check includes 3 things

A

proper amount of weight
weight belt is donned or weights loaded
can belt and weights be easily ditched

16
Q

releases safety check includes 3 things

A

is the tank release secure?
are all releases secured/adjusted properly
can u operate your buddy’s releases?

17
Q

air/regulators safety check include 3 things

A

air tank open and full
regulators allow ease of breathing
alternate air sources are in plain sight

18
Q

friend safety check includes 3 things

A

hand signal familiarity
mentally and physically ready?
reviewed dive plan/objective/goal?

19
Q

predive safety check acronym

A

bwraf

20
Q

bwraf

A

begin with review and friend

21
Q

try to surface within _____ of dive flag/buoy

A

50’

22
Q

equalize when

A

every few feet

23
Q

4 basic steps to assisting diver

A

provide ample buoyancy
calm diver
re-establish breathing control
assist back to boat/shore

24
Q

if separated from your buddy, u then _____

A

search for not more than 1 minute and
then surface if you have not found each
other.

25
Q

max. limit for recreational diving

A

130’

26
Q

no-decompression diving means that ____

A

u are staying within the limits of dive tables
and that you may ascend directly to
surface at any time.

27
Q

“repetitive” dive

A

any dive done within 6hr of another dive

28
Q

purpose of safety stop

A

to eliminate excess nitrogen

29
Q

NDL is the _____

A

maximum allowable dive time for a

specific depth.

30
Q

NDL

A

no-decompression limit

31
Q

SI or _____ is the ____.

A

surface interval

time spent out of water between dives

32
Q

bottom time is the total time from ____ to

____

A

beginning your descent

the beginning of your ascent

33
Q

pressure groups indicate the ____

A

amount of residual nitrogen left in your

body after a dive.

34
Q

danger signal

A

arm extended closed fist pointing to

danger

35
Q

out of air signal

A

move hand back and forth across throat

36
Q

low air signal

A

closed fist tap chest

37
Q

up signal

A

thumb up, move hand up and down

38
Q

down signal

A

thumb down, move hand up and down

39
Q

something is wrong signal

A

rotate hand

40
Q

buddy breathe signal

A

one hand on 2nd stage

other hand on alternate air source

41
Q

watch me signal

A

point to your chest

42
Q

level off at this depth signal

A

hand out palm down, move back and forth

43
Q

ears not clearing signal

A

point to ear

44
Q

take it easy/slow down signal

A

hand out/palm down move up and down

45
Q

hold hands signal

A

grasp your hands

46
Q

get with your buddy signal

A

align 2 index fingers together

47
Q

u lead i’ll follow signal

A

point with both hands, one behind the

other

48
Q

5 step proper descent

A
signal
orient yourself
switch snorkel for regulator
check the time
descend
49
Q

5 step proper ascent acronym

A

STALK

50
Q

5 step proper ascent

A
signal
time (check your bottom time)
air/arm (grab inflator hose and raise arm)
look (up and around for obstacles)
kick (slow SAFE ascent)