NAUI Open Water Elearning Exam with
Complete Solutions
Your entry-level NAUI Scuba Diver certification is a "license to _____." - ANS-learn
physical fitness is an important consideration for scuba divers because it helps to
prevent diving accidents due to - ANS-exhaustion
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 efforts
sometimes demanded when participating in recreational diving? - ANS-ALL OF THE
ABOVE
-inadequate sleep
-recent head cold
-recent ingestion of drugs
Diving equipment should be - ANS-rinsed thoroughly, dried and stored in a cool place
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
Factors that can affect the breathing ease of a snorkel are - ANS-length AND diameter
When selecting a face mask, the most important thing to consider is - ANS-proper seal
and fit
Snorkels over 15 inches in length are not recommended primarily because - ANS-They
have too much dead air space
when buying or renting equipment for diving, the most important consideration is: -
ANS-the fit on your body
Hydrostatic and visual inspection standards are different around the world. Consult your
local NAUI facility to learn about the regulations in your area T or F - ANS-True
Engraved markings on scuba tanks include: - ANS-Date of hydrostatic test, serial
number, type of material
, Two types of materials that scuba tanks are made from are steel and _________. -
ANS-aluminum
scuba tanks should always have some pressure in them to prevent _______________ -
ANS-moisture from entering
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 intermediate
pressure is - ANS-The first stage
The _____ line is the direction of travel line on the compass - ANS-Lubber
When rinsing a regulator it is best to: - ANS-Leave the regulator attached to the tank or
have the dust cap in place
A ____ calculates your remaining allowable bottom time while diving - ANS-dive
computer
A diving watch must be able to withstand pressure and measure ____. - ANS-Elapsed
time
Proper maintenance of instruments includes: - ANS-ALL OF THE ABOVE -->
Rinse them in fresh water at the end of each diving day.
Have them inspected and serviced annually by a qualified technician.
Do not subject them to extreme temperature changes.
Three main types of __ are back floatation, jacket, and horse collar - ANS-BCs
Essential features found on all BCs are: - ANS-ALL OF THEE ABOVE -->
power inflator mechanism
overpressure relief valve
inflator/deflator hose
You should rinse your BC internally because _____ inside your BC can cause damage.
- ANS-ALL OF THE ABOVE -->
salt water
dirty water
chlorinated water
The most important feature of the weight belt is ___. - ANS-quick release
A _____ compensates for the compression of a wetsuit as you descend underwater -
ANS-compensating weight belt
Complete Solutions
Your entry-level NAUI Scuba Diver certification is a "license to _____." - ANS-learn
physical fitness is an important consideration for scuba divers because it helps to
prevent diving accidents due to - ANS-exhaustion
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 efforts
sometimes demanded when participating in recreational diving? - ANS-ALL OF THE
ABOVE
-inadequate sleep
-recent head cold
-recent ingestion of drugs
Diving equipment should be - ANS-rinsed thoroughly, dried and stored in a cool place
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
Factors that can affect the breathing ease of a snorkel are - ANS-length AND diameter
When selecting a face mask, the most important thing to consider is - ANS-proper seal
and fit
Snorkels over 15 inches in length are not recommended primarily because - ANS-They
have too much dead air space
when buying or renting equipment for diving, the most important consideration is: -
ANS-the fit on your body
Hydrostatic and visual inspection standards are different around the world. Consult your
local NAUI facility to learn about the regulations in your area T or F - ANS-True
Engraved markings on scuba tanks include: - ANS-Date of hydrostatic test, serial
number, type of material
, Two types of materials that scuba tanks are made from are steel and _________. -
ANS-aluminum
scuba tanks should always have some pressure in them to prevent _______________ -
ANS-moisture from entering
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 intermediate
pressure is - ANS-The first stage
The _____ line is the direction of travel line on the compass - ANS-Lubber
When rinsing a regulator it is best to: - ANS-Leave the regulator attached to the tank or
have the dust cap in place
A ____ calculates your remaining allowable bottom time while diving - ANS-dive
computer
A diving watch must be able to withstand pressure and measure ____. - ANS-Elapsed
time
Proper maintenance of instruments includes: - ANS-ALL OF THE ABOVE -->
Rinse them in fresh water at the end of each diving day.
Have them inspected and serviced annually by a qualified technician.
Do not subject them to extreme temperature changes.
Three main types of __ are back floatation, jacket, and horse collar - ANS-BCs
Essential features found on all BCs are: - ANS-ALL OF THEE ABOVE -->
power inflator mechanism
overpressure relief valve
inflator/deflator hose
You should rinse your BC internally because _____ inside your BC can cause damage.
- ANS-ALL OF THE ABOVE -->
salt water
dirty water
chlorinated water
The most important feature of the weight belt is ___. - ANS-quick release
A _____ compensates for the compression of a wetsuit as you descend underwater -
ANS-compensating weight belt
