enough to dive safely in or at: - ANSWER 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? - ANSWER 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: - ANSWER Exhaustion
Open heel fins are usually the fins of choice for scuba divers because: - ANSWER they
may be used in a wide variety of environmental conditions
Diving equipment should be: - ANSWER rinsed thoroughly, dried, and stored in a cool
place
When selecting a face mask, the most important thing to consider is: - ANSWER proper
seal and fit
Factors that can affect the breathing ease of a snorkel are: - ANSWER both A and B
(length, diameter)
When buying or renting equipment for diving, the most important consideration is: -
ANSWER its fit on your body
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,Snorkels over 15 inches in length are not recommended primarily because: - ANSWER
they have too much dead air space
Engraved markings on scuba mask include: - ANSWER 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 - ANSWER true
Scuba tank should always have some pressure on them to prevent - ANSWER moisture
from entering
Two types of material that scuba tanks are made from are steel and_____. - ANSWER
aluminum
You should have your regulator serviced by a certified repair technician: - ANSWER as
recommended by the manufacturer
The stage of the regulator which reduces working tank pressure to immediate pressure is
The first stage - ANSWER The first stage
When rinsing a regulator it is best to - ANSWER 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 - ANSWER lubber
A diving watch must be able to withstand pressure and measure - ANSWER elapsed time
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, A ______ calculates your remaining allowable bottom time - ANSWER dive computer
Proper maintenance of instruments includes - ANSWER All of the above:
Do not subject them to extreme temperature changes, rinse them in fresh water at the end
of each diving day, have them inspected and serviced annually by a qualified technician
You should rinse your BC internally because _____ inside your BC can cause damage -
ANSWER all of the above (salt, dirty, and chlorinated water)
Essential features found on all BCs are: - ANSWER all of the above (power inflator
mechanism, overpressure relief valve, inflator/deflator hose)
3 main types of ______ are back floatation, jacket, and horse collar. - ANSWER BCs
The most important feature of a weight belt is ______. - ANSWER quick release
Weighting systems are used by the diver primarily to: - ANSWER offset the positive
buoyancy created by the wetsuit
A _______ compensates for the compression of a wetsuit at depth - ANSWER
compensating weight belt
A _____ is suitable for warm, tropical diving - ANSWER dive skin
A ______is made of foam neoprene - ANSWER wetsuit
The primary purpose of the exposure suit is to: - ANSWER preserve body heat during
dives
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