QUESTIONS AND ANSWERS FIRM A+
✔✔A group of Advanced Open Water Divers plans to make two dives. The first dive is
on a reef in 22 metres/80 feet of water for 20 minutes. The group then remains on the
surface for 1 hour. The second dive is on a wreck in 18 metres/60 feet of water, with a
planned bottom time of 30 minutes. What will be the ending pressure group after the
second dive? - ✔✔R
✔✔My buddy and I are planning to dive at a site where the water and air temperature
are near freezing. We plan to dive to 18 metres/60 for 30 minutes. What dive profile
would we use when planning our dive? - ✔✔22 metres/70 feet for 30 minutes
✔✔I am an Advanced Open Water Diver. I plan to do three dives. The first dive is a 25-
metre/80-foot dive for 22 minutes followed by a 52-minute surface interval. The second
dive is to 20 metres/70 feet for 27 minutes followed by a surface interval of 62 minutes.
My third dive is to 18 metres/60 feet. What would be my maximum allowable bottom
time for this third dive? - ✔✔34 minutes
✔✔ If an object is neutrally buoyant in fresh water, the same object placed into salt
water would... - ✔✔Float
✔✔I blow up a balloon, tie it off, and take it to the bottom of the swimming pool. What
will happen to the balloon and the air inside it? - ✔✔The balloon will get smaller and the
air inside the balloon will be more dense
✔✔I turn a glass upside down, trap the air in it by putting it in water, and then I take the
glass down to 10 m/33 ft. The air space would... - ✔✔Become half the size it was at the
surface
✔✔If I am not able to equalize my body air spaces, it may be because I have... - ✔✔A
cold, allergy or another medical problem
✔✔If my ears or sinuses hurt while I am descending, it usually means... - ✔✔I am
feeling a squeeze and need to equalize
✔✔The best place for me to position an alternate air source is... - ✔✔In the triangle area
formed by my chin and the lower corners of my rib cage
✔✔Lung overexpansion injuries can be caused by... - ✔✔Holding my breath while
scuba diving
, ✔✔If my cylinder of air lasts 60 minutes while I am at the surface breathing normally,
assuming all else is the same, how long will it last at 20 m/66 ft breathing normally? -
✔✔20 minutes
✔✔How often should I take my scuba cylinder to be visually inspected by my dive
center? - ✔✔Once a year
✔✔The difference between DIN values and yoke valves is that DIN valves... - ✔✔Have
threaded openings to screw the regulator into
✔✔Which of the following is not part of proper care for my scuba cylinder? - ✔✔Keep
some air in it
✔✔Refer to the regulator picture on the right. Each regulator part has a number next to
it. Please choose the correct numeric order from the choices below - ✔✔1. Regulator
first stage, 2. regulator second stage, 3. alternate air source second stage, 4. low
pressure inflator hose for the BCD, 5. instrument console/gauges/computer
✔✔When I look at things underwater they often seem _____ than they look on the
surface - ✔✔Larger and/or nearer
✔✔_____ travels faster in water than it does in air. This is why you cannot easily tell
where it comes from - ✔✔Sound
✔✔Unless there are laws that say differently, I should stay within _____ of my dive flag
- ✔✔15 m/50 ft
✔✔If I work too hard and find it difficult to breathe underwater, I should... - ✔✔Stop all
activity and rest, holding onto something for support if possible
✔✔As I descend, my wet suit will... - ✔✔Compress from water pressure, and I will lose
buoyancy and warmth
✔✔I know I am properly weighted for diving if I... - ✔✔Float at eye level while holding a
normal breath of air and with an empty BCD
✔✔Choose the best answer for the signal shown from the choices provided - ✔✔Stop,
hold it, stay there
✔✔Choose the best answer for the signal shown from the choices provided -
✔✔Something is wrong