NAUI Open Water Scuba Certification
Exam Questions and Answers
Your entry-level NAUI Scuba Diver Certification is a "License to _____" - ANS-LEARN
Completing 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
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
(Inadequate sleep, Recent head cold, recent ingestion of drubs)
Physical fitness is an important consideration for scuba divers because it helps to
prevent diving accidents due to: - ANS-Exhaustion
Open heel fins are usually the fins of choice for scuba divers because: - ANS-they may
be used in a wide variety of environmental conditions
Diving equipment should be: - ANS-rinsed thoroughly, dried, and stored in a cool place
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 (length,
diameter)
When buying or renting equipment for diving, the most important consideration is: -
ANS-its fit on your body
Snorkels over 15 inches in length are not recommended primarily because: - ANS-they
have too much dead air space
Engraved markings on scuba mask include: - ANS-date of hydrostatic test, serial
number, type of material
True or False:
Hydrostatic and visual inspection standards are different around the world. Consult your
local NAUI facility to learn about the regulations in your area - ANS-true
, Scuba tank should always have some pressure on them to prevent - ANS-moisture from
entering
Two types of material that scuba tanks are made from are steel and_____. - ANS-
aluminum
You should have your regulator serviced by a certified repair technician: - ANS-as
recommended by the manufacturer
The stage of the regulator which reduces working tank pressure to immediate pressure
is The first stage - ANS-The first stage
When rinsing a regulator it is best to - ANS-leave the regulator attached to the tank or
have the dust cap in place
The _______ line is the direction of travel line on the compass - ANS-lubber
A regular breathing pattern while diving would be: - ANS-slightly slower and deeper than
you normally breathe
To prevent air embolism, a diver should: - ANS-breathe normally at all times during
ascent and never hold his/her breath
If your dive buddy complains to you about having aching pain in his/her shoulder one
hour after the dive, you might suspect: - ANS-decompression sickness
A symptom of carbon monoxide poisoning is often: - ANS-headache
When the pressure of nitrogen is balanced between the air and your body, you are at a
state of ______. - ANS-equilibrium
Symptoms of nitrogen Narcosis are similar to: - ANS-alcohol intoxication
If it is suspected that the air in a tank is contaminated due to its smell or taste: - ANS-do
not use the tank and immediately call the dive shop that filled the tank so they can
investigate the problem
The amount of water vapor in the air is known as: - ANS-humidity
you can prevent a mask from fogging under water by lowering the _____ of the water. -
ANS-surface tension
True or False:
If the temperature surrounding a rigid container full of gas increases, the pressure of the
gas increases. - ANS-true
Exam Questions and Answers
Your entry-level NAUI Scuba Diver Certification is a "License to _____" - ANS-LEARN
Completing 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
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
(Inadequate sleep, Recent head cold, recent ingestion of drubs)
Physical fitness is an important consideration for scuba divers because it helps to
prevent diving accidents due to: - ANS-Exhaustion
Open heel fins are usually the fins of choice for scuba divers because: - ANS-they may
be used in a wide variety of environmental conditions
Diving equipment should be: - ANS-rinsed thoroughly, dried, and stored in a cool place
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 (length,
diameter)
When buying or renting equipment for diving, the most important consideration is: -
ANS-its fit on your body
Snorkels over 15 inches in length are not recommended primarily because: - ANS-they
have too much dead air space
Engraved markings on scuba mask include: - ANS-date of hydrostatic test, serial
number, type of material
True or False:
Hydrostatic and visual inspection standards are different around the world. Consult your
local NAUI facility to learn about the regulations in your area - ANS-true
, Scuba tank should always have some pressure on them to prevent - ANS-moisture from
entering
Two types of material that scuba tanks are made from are steel and_____. - ANS-
aluminum
You should have your regulator serviced by a certified repair technician: - ANS-as
recommended by the manufacturer
The stage of the regulator which reduces working tank pressure to immediate pressure
is The first stage - ANS-The first stage
When rinsing a regulator it is best to - ANS-leave the regulator attached to the tank or
have the dust cap in place
The _______ line is the direction of travel line on the compass - ANS-lubber
A regular breathing pattern while diving would be: - ANS-slightly slower and deeper than
you normally breathe
To prevent air embolism, a diver should: - ANS-breathe normally at all times during
ascent and never hold his/her breath
If your dive buddy complains to you about having aching pain in his/her shoulder one
hour after the dive, you might suspect: - ANS-decompression sickness
A symptom of carbon monoxide poisoning is often: - ANS-headache
When the pressure of nitrogen is balanced between the air and your body, you are at a
state of ______. - ANS-equilibrium
Symptoms of nitrogen Narcosis are similar to: - ANS-alcohol intoxication
If it is suspected that the air in a tank is contaminated due to its smell or taste: - ANS-do
not use the tank and immediately call the dive shop that filled the tank so they can
investigate the problem
The amount of water vapor in the air is known as: - ANS-humidity
you can prevent a mask from fogging under water by lowering the _____ of the water. -
ANS-surface tension
True or False:
If the temperature surrounding a rigid container full of gas increases, the pressure of the
gas increases. - ANS-true
