RDP Quiz Flashcards
What is a diver’s pressure group after surfacing from a dive on the Spiegel at 31m/98ft for 14 minutes?
J/I
What is the minimum surface interval for a 2 dive trip out to Spiegel Grove, with the first dive going to 107 feet for 14 minutes and the second dive going to 93 feet for 18 minutes?
1 hour and 5 minutes
1 hour and 30 minutes
2 hours and 5 minutes
2 hours and 30 minutes
2 hours and 5 minutes
Special tables and procedures are required when diving at elevations __________above sea level.
300m/1000ft
Tissue compartments are directly related to specific tissues in the body.
True
False
False
A diver surfaces after 2 dives on Molasses Reef with a pressure group of R. What can be his max depth of his third dive if he plans to stay down for 27minutes? Does he need to make a safety stop?
14m/45ft with a 3 minute safety stop
A diver exits the water after diving Fire Coral Cave with a pressure group of F, what would his new pressure group be after a 47 minute surface interval?
A
B
C
D
B
What is NOT true when using a dive computer?
none of these:
eliminates rounding errors
provides more no-decompression time
calculates the dive exactly
In comparison to the U.S. Navy tables, how many more tissue compartments were used in determining the NDLs for the Recreational Dive Planner?
6
14
8
12
8
A diver is planning a multilevel dive in Key Largo; his first dive is to 13m/40 ft for 20 minutes, his second dive is to 10m/30 ft for 25 minutes and his third dive is to 6m/17ft for 21 minutes. What is his pressure group after the third dive?
D/D
P/M
O/N
N/P
O/N
A diver completes a dive to 67ft for 20 minutes. He wants to returns to that depth for 20 minutes to take a picture of a moray eel. What is the minimum time the diver must wait on the surface before starting the second dive?
3 minutes
5 minutes
4 minutes
6 minutes
6 minutes
The pressure group designations on the RDP are ____ with other dive table pressure groups?
not interchangeable
A diver does a single shallow dive to Logan’s Run on Molasses Reef, according to the flying after diving recommendations, what is the minimum time the diver should wait before flying?
12 hours
What is a diver’s pressure group after a dive to 21m/67ft for 23 minutes?
P
K
L
G
K
A diver dives to 12m/35ft on the Winch Hole for 56 minutes, what is the maximum amount of time he could spend at 35 ft without going into deco?
147 minutes / 205 minutes
146 minutes / 204 minutes
78 minutes
79 minutes
147 minutes / 205 minutes
A diver wants to spend the maximum time in the aquarium at 9m / 27ft because he’s doing a study on the effects of juvenile lionfish on the Molasses ecosystem. How long can he spend down there?
219 minutes / 205 minutes
215 minutes / 207 minutes
209 minutes
he would run out of air, so it is not possible
219 minutes / 205 minutes
What considerations do not need to be taken into account when diving at altitude?
diving at the lowest altitude first
The RDP gives ____ as many credits for a given surface interval because it is based on 60 minute compartments and not 120 minute compartments
3 times
2 times
1 time
4 times
2 times
A diver is so excited to dive the Bibb, he decides to double dip! Diving at 90ft for 15 minutes, what is the minimum amount of time the diver would have to spend at the surface, if he wishes to repeat the exact same profile in his second dive?
20 minutes
15 minutes
29 minutes
no surface interval required
29 minutes
A diver completes a dive to 67ft for 20 minutes. He wants to returns to that depth for 20 minutes to take a picture of a moray eel. What is the minimum time the diver must wait on the surface before starting the second dive?
3 minutes
5 minutes
4 minutes
6 minutes
6 minutes
What is the minimum surface interval for a 2 dive trip out to Molasses, with the first dive going to 59 feet for 47 minutes and the second dive going to 47 feet for 32 minutes?
15 minutes
A diver can transfer tables during a repetitive dive
True
False
False
The recommended maximum rate of ascent for recreational scuba diving is __________ feet per minute.
60
45
65
30
60
Upon surfacing, a diver realizes he exceeded the no decompression limit by 4 minutes but was so caught up with taking a picture of a massive barracuda he forgot to do a safety stop. What is the recommended procedure?
continue your planned dives for that day
Re-enter the water with a new tank and do a long safety stop
Remain on the surface, rest, breathe 100% oxygen and be monitored for decompression sickness
Remain on the surface, rest and be monitored for signs of decompression sickness
Remain on the surface, rest, breathe 100% oxygen and be monitored for decompression sickness
If a diver exits the water with a pressure group of T, what would his pressure group be after his lunch break of 49 minutes?
J
I
M
P
I
How many hours does it take to fill or empty a 60-minute tissue compartment?
6
60
12
120
6
A diver surfaces from his third dive of the day, with a pressure group of X. What is the minimum surface interval before his next dive?
6 hours
1 hour
4 hours
cannot determine
1 hour
The Haldanean Decompression Model should only be relied on as far as it’s been shown to work in test and field experience.
True
False
True
A diver has been diving with Rainbow Reef for the past week, in which time he has made 24 dives. He exits the water at 4:20pm. What is the soonest this diver should board a commercial airline for his flight home to Boston?
10: 20 am the next morning
4: 20 pm the next afternoon
10: 20 pm that night
doesn’t matter because he is flying after diving not diving after flying
10:20 am the next morning
Megan executes a dive to 30m/100ft of sea water for an actual dive time of 15 minutes. The team has a surface interval of 1 hour and 30 minutes. What is the adjusted maximum dive time available for the second dive to a depth of 22m/65ft of sea water?
25 minutes/28 minutes
35 minutes/44 minutes
21 minutes/22 minutes
28 minutes/31 minutes
28 minutes/31 minutes
How many tissue compartments were used when determining the gas washout during the surface interval?
6
12
4
1
1
What is the no decompression limit for a dive to 32m/103ft?
16 minutes / 15 minutes
17 minutes / 16 minutes
16 minutes / 17 minutes
18 minutes
17 minutes / 16 minutes
A diver is so excited to be out on Molasses Reef taking pictures for the Key Largo photo contest that he exceeds his no-decompression limits by 3 minutes. What is the general procedure?
Ascend and make an 8 minute safety stop at 5m/15 ft with no diving for 6 hrs
Ascend and make an 8 minute safety stop at 15 ft with no diving for 4 hrs
Ascend and make an 8 minute safety stop at 15 ft with no diving for 8 hrs
Ascend and make an 8 minute safety stop at 30 ft with no diving for 6 hrs
Ascend and make an 8 minute safety stop at 5m/15 ft with no diving for 6 hrs
If a diver surfaces from Sand Bottom Cave with a pressure group of S, what is his pressure group after 45 minutes on the surface?
S
P
I
Y
I
A diver dives the Spiegel at 27m/90ft for 23 minutes and then the Benwood at 12m/40ft for 40 minutes with a surface interval of 47 minutes. What is the divers pressure group before the Benwood?
G/G
I/J
L/K
M/R
G/G
What is a half-time?
rate at which theoretical tissues absorb nitrogen
rate at which theoretical tissues release oxygen
rate at which theoretical tissues release nitrogen
both a and c
both a and c
A diver is planning a multilevel dive in Key Largo; his first dive to 17m/57 ft for 72 minutes, his second dive to 19m/34ft for 20 minutes and his third dive to 5m/15 ft for 45 minutes. What is his pressure group at the end of these dives?
X
Y
R
cannot tell because he exceeded his limits on the first dive
cannot tell because he exceeded his limits on the first dive
The term half-time is the length of time it takes a specific tissue to become _____ percent saturated with nitrogen.
50
100
33
66
50
Becky executes a dive and accidentally exceeds her planned dive time by 8 minutes. What should she do during her ascent?
make a 15 minute safety stop and then continue diving as planned
make a 5 minute safety stop, surface and monitor yourself for signs of decompression sickness
make a 15 minute safety stop or until air runs low, surface and monitor yourself for signs of decompression sickness
continue your subsequent dives as planned
make a 15 minute safety stop or until air runs low, surface and monitor yourself for signs of decompression sickness
What is the minimum surface interval after your first dive, surfacing with a pressure group of R if you plan to go to a depth of 67 feet for 32 minutes?
2 hours and 25 minutes
2 hours and 35 minutes
2 hours and 45 minutes
3 hours
2 hours and 35 minutes
If a dive is particularly cold and/or strenuous, the dive team should use:
a different set of dive tables to calculate their repetitive group letter
add 4m/10m to their maximum depth.
not dive for the remainder of the day
pure oxygen for their decompression stop
add 4m/10m to their maximum depth.
What is the no decompression limit for a dive to 26m/78ft?
29 minutes / 15 minutes
19 minutes / 20 minutes
25 minutes
27 minutes / 30 minutes
27 minutes / 30 minutes
A diver dropped his go-pro into the sand yesterday on the Duane and wants to go get it. The sand lies at 40m/130ft, what is the no-decompression limit for this dive?
9 minutes/10 minutes
10 minutes/11 minutes
12 minutes
it’s too deep, he shouldn’t try and find his camera
9 minutes/10 minutes
