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Exam (elaborations)

DIVE MASTER NAUI EXAM LATEST UPDATE ACTUAL QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS GRADE A 2024

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  • DIVE MASTER NAUI
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  • DIVE MASTER NAUI

DIVE MASTER NAUI EXAM LATEST UPDATE ACTUAL QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS GRADE A 2024

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  • August 10, 2024
  • 19
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • DIVE MASTER NAUI
  • DIVE MASTER NAUI
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keithdaniel
1|Page


DIVE MASTER NAUI EXAM LATEST UPDATE ACTUAL
QUESTIONS AND ANSWERS WITH COMPLETE
SOLUTIONS GRADE A 2024




What pressure will a scuba cylinder with a rated working pressure
of 3000 psig (207 bar), be exposed to during a hydrostatic test? -
CORRECT ANSWER >>>>5000 psig (345 bar)

Which principle represents one basis for the hydrostatic testing of
scuba cylinders? - CORRECT ANSWER >>>>Permanent expansion

If a visual cylinder inspection reveals corrosion inside a scuba
cylinder, it may require cleaning by a process called: - CORRECT
ANSWER >>>>Tumbling

Which of the following is considered proper care of a scuba
cylinder? - CORRECT ANSWER >>>>Preventing moisture from
entering the cylinder.

Two cylinder valves in common use today are: - CORRECT ANSWER
>>>>The K-valve and DIN valve.

,2|Page


Which valve is an example of a special scuba valve that is required
for certain types of specialty diving such as deep diving with a
single cylinder? - CORRECT ANSWER >>>>Y valve

Which internal valve designs are available in the first stage of scuba
regulators? - CORRECT ANSWER >>>>Piston; Diaphragm

Which valve is unaffected by cylinder air pressure with regard to
the force needed to operate the valve? - CORRECT ANSWER
>>>>Balanced

Which regulator second stage design uses air pressure rather than
mechanical leverage to open the main valve? - CORRECT ANSWER
>>>>Pilot

In the event of a regulator first stage malfunction, which type of
valve design would be likely to eliminate air flow to the diver? -
CORRECT ANSWER >>>>Upstream

When considering a regulator for purchase or use, an important
point to remember is that certain regulators may not be capable of
delivering ______ flow rates at ______ cylinder pressure during an
air sharing emergency. - CORRECT ANSWER >>>>high; low

Which diving instrument incorporates a Bourdon tube mechanism?
- CORRECT ANSWER >>>>Cylinder pressure gauges

Two benefits derived from using an electronic dive computer are
_____. - CORRECT ANSWER >>>>Accurate monitoring of ascent rate
and, if executing a multi-level diving profile, avoidance of the
maximum time/depth penalty

, 3|Page




Green discoloration on the first stage of a scuba regulator indicates
_____. - CORRECT ANSWER >>>>Water has most likely entered the
first stage

An air compressor used for filling scuba cylinders operates by the
principle of _____. - CORRECT ANSWER >>>>Boyle's Law

Dry suits form a waterproof barrier, but require undergarments to
be effective in cold water - CORRECT ANSWER >>>>True

In order to make an informed decision on equipment purchase, you
need to have a solid educational background concerning the _____
of diving equipment: - CORRECT ANSWER >>>>Types, Method of
operation, Care and maintenance

The distance between successive wave crests is defined as _____. -
CORRECT ANSWER >>>>Wavelength

The highest tides are called _____ tides, and the lowest tides are
called _____ tides. - CORRECT ANSWER >>>>spring; neap

Water rocking back and forth in a lake or a bay is defined as _____.
- CORRECT ANSWER >>>>Seiching

The effect of the moon on tidal action is about _____. - CORRECT
ANSWER >>>>Twice the effect of the sun

The type of breaking wave that produces the greatest force when
breaking is the _____ breaker. - CORRECT ANSWER >>>>Plunging

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