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NAUI Scuba Diver Exam QUESTIONS AND ANSWERS RATED A+ 2024/2025
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NAUI Scuba Diver Exam QUESTIONS AND ANSWERS RATED A+ 2024/2025
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NAUI Scuba Diver ExamWhen deciding on a face mask, the maximum important aspect to remember is: - ANSProper
seal and in shape.
Snorkels over 15 inches in length aren't reccomended frequently due to the fact: - ANSThey
have too much dead air space.
When buying or renting scuba equipment for diving, Space the most pertinent consideration is -
ANSit's fit to your body
When rinsing a regulator it is nice to - ANSleave the regulator attached to the tank four have the
dirt cat in location
Diving device must be - ANSrinse very well, dried and stored in a groovy place.
Scuba tank ought to always have a few stress after which to prevent - ANSmoisture from getting
into.
According to the Department of Transportation rules, scuba tanks must be hydrostatically tested
every - ANS5 years
Open heel fins are generally the experience of desire for scuba divers due to the fact - ANSthey
can be utilized in a wide variety of environmental conditions.
The primary purpose of the exposure match is to - ANSpreserve heat at some point of dives.
Weighting structures are utilized by the diver ordinarily to - ANSoffset the fantastic buoyancy
created with the aid of the wet match.
You must have your regulator serviced by licensed restore technician - ANSat least as soon as
consistent with year.
The level of the regulator, which reduces tank pressure, is - ANSthe first stage.
Two sorts of substances that scuba tanks are crafted from our steel and - ANSaluminum.
The ___________ line is the route of journey line at the compass - ANSlubber
The dive knife is used generally as a ___________ for digging, slicing, pounding, and prying -
ANSTool
, Stamped (engraved) markings on scuba tanks encompass - ANSdate of hydrostatic test, serial
number, and type of fabric.
Atmospheric strain at sea stage is - ANS14.7 kilos according to rectangular inch/1.Zero
ecosystem absolute
A seal balloon packed with air that has a extent of 6 in.³ at ninety nine ft will have a volume of
______ at 33 toes - ANS12 in.³
Seawater weighs - ANS64.Zero pounds per cubic foot
Which fuel law satisfactory explains diving clinical troubles together with ear and sinus squeeze
- ANSBoyles Law
Because every fraction, objects underwater seem ___________ and ______ while the diver is
looking through his or her masks - ANSlarger; nearer
When the stress of nitrogen is balanced between the air and your frame, you're at a state of -
ANSequilibrium
A divers frame warmth is lost thru conduction (mainly) at a rate of about ___________ instances
greater rapidly than an air - ANS25
What type of pressure is described as gauge (water) stress plus atmospheric (air) pressure -
ANSabsolute
The absolute pressure inside the ocean at 53 ft is - ANS2.6 atmospheres absolute
If a various floor air intake price is two.Five PSI consistent with minute, what will be the
consumption price at 66 feet of seawater - ANS75 PSI according to minute
A intensity this is equal to one environment within the ocean is same to ___________ ft in
seawater and __________ feet and sparkling water - ANS33; 34
Two strategies of measuring air stress are BAR or - ANSpounds in line with rectangular inch
Sound travels about _____ times quicker in water than in air - ANS4
The first colour misplaced within the spectrum upon descent during dives is - ANSred
Pressure and the center ear is equalized thru a part of the frame known as the - ANSEustachian
tube
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