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Dive Master NAUI QUESTIONS AND ANSWERS RATED A+ 2024/2025
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Dive Master NAUI QUESTIONS AND ANSWERS RATED A+ 2024/2025
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Dive Master NAUIWhat pressure will a scuba cylinder with a rated working strain of 3000 psig (207 bar), be
exposed to at some point of a hydrostatic take a look at? - ANS5000 psig (345 bar)
Which principle represents one foundation for the hydrostatic trying out of scuba cylinders? -
ANSPermanent expansion
If a visual cylinder inspection reveals corrosion inside a scuba cylinder, it is able to require
cleansing by using a procedure called: - ANSTumbling
Which of the following is taken into consideration proper care of a scuba cylinder? -
ANSPreventing moisture from getting into the cylinder.
Two cylinder valves in commonplace use today are: - ANSThe K-valve and DIN valve.
Which valve is an instance of a special scuba valve this is required for positive sorts of specialty
diving including deep diving with a unmarried cylinder? - ANSY valve
Which internal valve designs are available inside the first stage of scuba regulators? -
ANSPiston; Diaphragm
Which valve is unaffected through cylinder air strain with regard to the force needed to operate
the valve? - ANSBalanced
Which regulator second level design uses air stress in place of mechanical leverage to open the
principle valve? - ANSPilot
In the event of a regulator first degree malfunction, which sort of valve layout would be probably
to eliminate air drift to the diver? - ANSUpstream
When considering a regulator for buy or use, an crucial point to bear in mind is that sure
regulators won't be capable of turning in ______ waft prices at ______ cylinder strain at some
stage in an air sharing emergency. - ANShigh; low
Which diving device consists of a Bourdon tube mechanism? - ANSCylinder strain gauges
Two blessings derived from the usage of an digital dive pc are _____. - ANSAccurate monitoring
of ascent rate and, if executing a multi-stage diving profile, avoidance of the maximum
time/intensity penalty
, Green discoloration on the first degree of a scuba regulator shows _____. - ANSWater has
maximum likely entered the primary level
An air compressor used for filling scuba cylinders operates by the principle of _____. -
ANSBoyle's Law
Dry fits shape a water-proof barrier, however require undergarments to be effective in cold water
- ANSTrue
In order to make an knowledgeable selection on gadget purchase, you need to have a stable
educational historical past concerning the _____ of diving gadget: - ANSTypes, Method of
operation, Care and upkeep
The distance among successive wave crests is described as _____. - ANSWavelength
The highest tides are called _____ tides, and the bottom tides are referred to as _____ tides. -
ANSspring; neap
Water rocking from side to side in a lake or a bay is defined as _____. - ANSSeiching
The effect of the moon on tidal movement is about _____. - ANSTwice the impact of the sun
The form of breaking wave that produces the best force whilst breaking is the _____ breaker. -
ANSPlunging
If the water situations are reasonable to make a seaside dive, all the following procedures are
advised: - ANSHaving your buoyancy compensator in part inflated for mild tremendous
buoyancy.
Being completely equipped.
Getting as close to the water's aspect as viable after timing the sets and lulls to healthy your
access with the smallest waves.
Entering the water as quickly as feasible at once after a wave breaks, getting past the surf
region fast, before the next wave breaks.
When waves ruin on shore and the backrush is funneled via a narrow beginning, the situation is
called _____. - ANSA rip contemporary
Currents in bodies of water are shaped via _____. - ANSSurface winds, The rotation of the
earth, The have an effect on of the solar and moon
Water of identical temperature at all degrees is most probable to be located in a lake for the
duration of the _____. - ANSSpring
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