Naui Scuba Diving open water Exam
Questions and Answers
Which of the following physical factors can make you incapable of sustaining the efforts
sometimes demanded when participating in recreational diving? - ANS-All of the above
Physical fitness is an important consideration for scuba divers because it helps prevent
diving accidents due to - ANS-Exhaustion
Your entry-level Naui scuba diver certification is a license to - ANS-learn
Completeing this entry level scuba certification course makes you knowledgeable and
skillful enough to dive safely in or at - ANS-open water with conditions similar to those in
which you were trained
when buying or renting equipment for diving the most important consideration is - ANS-
its fit on your body
when selecting a face mask the most important thing to consider is - ANS-Proper seal
and fit
Factors that can affect the breathing ease of a snorkel are - ANS-Both a and B
Diving equipment should be - ANS-rinsed thoroughly, dried and stored in a cool place
whenever the mouth peice of your regulator is out of your mouth you must continually
exhale a small stream of bubbles - ANS-true
you can clear your regulator second stage of water doing the __ or the __ clear - ANS-
blast, purge
you should dive _ your buddy - ANS-side-by side with
if during a dive you an dyour budy become seperated, you should - ANS-spend no more
than one minute looking then surface
if you wave to someone from the surface it is a sign of distress not a way to say hello -
ANS-true
, the naui diving hand signals are standard in the united stattes diving community and are
usually recognized in other countries as well - ANS-true
when donning your cylinder at the surface and donning you cylinder underwater the
primary difference is that you want to be - ANS-positvely buyont at the surface and
negatively buoyant at the bottom
you may need to don or remove your equipment in the water if - ANS-all of the above
examples of natural navigation aids divers may use during dives include - ANS-all of the
above
a reciprocal course is made when your outbound course is a straight line and halfway
through your dive you make a __ turn - ANS-180
because of refraction objects underwater appear _ and _ when the diver is looking
through their mask - ANS-larger, closer
the first color lost in the specturm upon descent during a dive is - ANS-red
a divers body heat is lost through conditions at a rate of approx _ times more rapidaly
than air - ANS-25
sound travels about _ times faster in water than in air - ANS-4
if you are weighted to be neutral in salt water and you dive in freshwater with the same
amount of weight you will float - ANS-false
during descent a divers bouyancy tends to - ANS-decrease
your body weight does not affect your buoancy - ANS-false
if you are diving wearing an exposure suit, you should _ to safely control bouyancy as
you descend - ANS-add air to yuor buoyancy device
what type of pressure is defined as gauge (water) pressure plus atmospheric (air )
pressure - ANS-absolute
which gas law best explains diving medical problems such as ear and sinus squeeze -
ANS-boyles law
the absolute pressure in the ocean at 16 meters (53 feet) is - ANS-2.6 atm absolute
if a divers surface air consumption rate is 1.72 bar (25 psi) per minute what would be
the cinsumption rate at 20 meters (66 ft) of seawater - ANS-5.16 bar per min 75 psi per
min
Questions and Answers
Which of the following physical factors can make you incapable of sustaining the efforts
sometimes demanded when participating in recreational diving? - ANS-All of the above
Physical fitness is an important consideration for scuba divers because it helps prevent
diving accidents due to - ANS-Exhaustion
Your entry-level Naui scuba diver certification is a license to - ANS-learn
Completeing this entry level scuba certification course makes you knowledgeable and
skillful enough to dive safely in or at - ANS-open water with conditions similar to those in
which you were trained
when buying or renting equipment for diving the most important consideration is - ANS-
its fit on your body
when selecting a face mask the most important thing to consider is - ANS-Proper seal
and fit
Factors that can affect the breathing ease of a snorkel are - ANS-Both a and B
Diving equipment should be - ANS-rinsed thoroughly, dried and stored in a cool place
whenever the mouth peice of your regulator is out of your mouth you must continually
exhale a small stream of bubbles - ANS-true
you can clear your regulator second stage of water doing the __ or the __ clear - ANS-
blast, purge
you should dive _ your buddy - ANS-side-by side with
if during a dive you an dyour budy become seperated, you should - ANS-spend no more
than one minute looking then surface
if you wave to someone from the surface it is a sign of distress not a way to say hello -
ANS-true
, the naui diving hand signals are standard in the united stattes diving community and are
usually recognized in other countries as well - ANS-true
when donning your cylinder at the surface and donning you cylinder underwater the
primary difference is that you want to be - ANS-positvely buyont at the surface and
negatively buoyant at the bottom
you may need to don or remove your equipment in the water if - ANS-all of the above
examples of natural navigation aids divers may use during dives include - ANS-all of the
above
a reciprocal course is made when your outbound course is a straight line and halfway
through your dive you make a __ turn - ANS-180
because of refraction objects underwater appear _ and _ when the diver is looking
through their mask - ANS-larger, closer
the first color lost in the specturm upon descent during a dive is - ANS-red
a divers body heat is lost through conditions at a rate of approx _ times more rapidaly
than air - ANS-25
sound travels about _ times faster in water than in air - ANS-4
if you are weighted to be neutral in salt water and you dive in freshwater with the same
amount of weight you will float - ANS-false
during descent a divers bouyancy tends to - ANS-decrease
your body weight does not affect your buoancy - ANS-false
if you are diving wearing an exposure suit, you should _ to safely control bouyancy as
you descend - ANS-add air to yuor buoyancy device
what type of pressure is defined as gauge (water) pressure plus atmospheric (air )
pressure - ANS-absolute
which gas law best explains diving medical problems such as ear and sinus squeeze -
ANS-boyles law
the absolute pressure in the ocean at 16 meters (53 feet) is - ANS-2.6 atm absolute
if a divers surface air consumption rate is 1.72 bar (25 psi) per minute what would be
the cinsumption rate at 20 meters (66 ft) of seawater - ANS-5.16 bar per min 75 psi per
min
