NAUI ADVANCED SCUBA FINAL REVIEW EXAM QUESTIONS AND ANSWERS
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Course
Naui scuba
Institution
Naui Scuba
Which principle represents one basis for the hydrostatic testing of scuba cylinders? - Answer-Permanent Expansion
Two cylinder valves in common use today are: - Answer-the K valve and the DIN valve
Which internal valve designs are available in the first stage of scuba regulators? - Answer-Pis...
NAUI ADVANCED SCUBA FINAL
REVIEW EXAM QUESTIONS AND
ANSWERS
Which principle represents one basis for the hydrostatic testing of scuba cylinders? -
Answer-Permanent Expansion
Two cylinder valves in common use today are: - Answer-the K valve and the DIN valve
Which internal valve designs are available in the first stage of scuba regulators? -
Answer-Piston; Diaphragm
Which regulator second stage design use air pressure rather than mechanical leverage
to open the main valve? - Answer-Pilot
An air compressor used for filling scuba cylinders operates by the principle of: - Answer-
Boyle's law
The highest tides are called _______ tides, and the lowest tides are called ________
tides . - Answer-spring; neap
Water of equal temperature at all levels is most likely to be found in a lake during the: -
Answer-spring
The four basic plant and animal life zones in the ocean are: - Answer-littoral, plantonic,
nektonic, benthic
Sychophozoans, or true jellyfish, possess stinging cells within their tentacles called
______. - Answer-nematocysts
The horizontal boundary between waters of differing salinity is defined as: - Answer-a
halocline
One way that heat loss occurs during diving activity is through: - Answer-conduction
The absolute pressure at 75 feet of sea water is: - Answer-3.27 ata/48.07 psi
An air consumption rate of 40 psi per minute using a 3,000 psi/ 80 cubic foot cylinder is
equal to? - Answer-1.06 cubic feet per minute
The partial pressure of oxygen in air at a depth of 132 feet of seawater is: - Answer-1.05
ata/ 15.42 psi
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