When selecting a face mask, the most important thing to consider is: - ANSWER Proper seal and fit.
Snorkels over 15 inches in length are not reccomended primarily because: - ANSWER They have too much dead air space.
When buying or renting scuba equipment for diving, Space the most pertinent c...
NAUI Scuba Diver Exam|| 85
QUESTIONS|| CORRECT ANSWERS||
VERIFIED
When selecting a face mask, the most important thing to consider is: - ANSWER Proper seal and fit.
Snorkels over 15 inches in length are not reccomended primarily because: - ANSWER They have too
much dead air space.
When buying or renting scuba equipment for diving, Space the most pertinent consideration is -
ANSWER it's fit on your body
When rinsing a regulator it is best to - ANSWER leave the regulator attached to the tank four have the
dust cat in place
Diving equipment should be - ANSWER rinse thoroughly, dried and stored in a cool place.
Scuba tank should always have some pressure and then to prevent - ANSWER moisture from entering.
According to the Department of Transportation regulations, scuba tanks must be hydrostatically tested
every - ANSWER 5 years
Open heel fins are usually the sense of choice for scuba divers because - ANSWER they may be used in a
wide variety of environmental conditions.
The primary purpose of the exposure suit is to - ANSWER preserve heat during dives.
Weighting systems are used by the diver primarily to - ANSWER offset the positive buoyancy created by
the wet suit.
, You should have your regulator serviced by certified repair technician - ANSWER at least once per year.
The stage of the regulator, which reduces tank pressure, is - ANSWER the first stage.
Two types of materials that scuba tanks are made from our steel and - ANSWER aluminum.
If a diverse surface air consumption rate is 2.5 PSI per minute, what would be the consumption rate at 66
feet of seawater - ANSWER 75 PSI per minute
A depth that is equivalent to one atmosphere in the ocean is equal to ___________ feet in seawater and
__________ feet and fresh water - ANSWER 33; 34
Two methods of measuring air pressure are BAR or - ANSWER pounds per square inch
Sound travels about _____ times faster in water than in air - ANSWER 4
The first color lost in the spectrum upon descent during dives is - ANSWER red
Pressure and the middle ear is equalized through a part of the body called the - ANSWER Eustachian
tube
Breathing dry air, a scuba diver tends to become dehydrated while diving due to - ANSWER moisturizing
dry inhaled air
Symptoms of nitrogen narcosis are similar to - ANSWER alcoholic intoxication
A divers inability to equalize his or her ears during an ascent could cause - ANSWER a block or reverse
block
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