NAUI ADVANCED SCUBA FINAL
REVIEW EXAM QUESTIONS AND
ANSWERS4
Which principle represents one basis for the hydrostatic testing of scuba cylinders? - ANSWERS-
Permanent Expansion
Two cylinder valves in common use today are: - ANSWERS-the K valve and the DIN valve
Which internal valve designs are available in the first stage of scuba regulators? - ANSWERS-
Piston; Diaphragm
Which regulator second stage design use air pressure rather than mechanical leverage to open
the main valve? - ANSWERS-Pilot
An air compressor used for filling scuba cylinders operates by the principle of: - ANSWERS-
Boyle's law
The highest tides are called _______ tides, and the lowest tides are called ________ tides . -
ANSWERS-spring; neap
Water of equal temperature at all levels is most likely to be found in a lake during the: -
ANSWERS-spring
The four basic plant and animal life zones in the ocean are: - ANSWERS-littoral, plantonic,
nektonic, benthic
REVIEW EXAM QUESTIONS AND
ANSWERS4
Which principle represents one basis for the hydrostatic testing of scuba cylinders? - ANSWERS-
Permanent Expansion
Two cylinder valves in common use today are: - ANSWERS-the K valve and the DIN valve
Which internal valve designs are available in the first stage of scuba regulators? - ANSWERS-
Piston; Diaphragm
Which regulator second stage design use air pressure rather than mechanical leverage to open
the main valve? - ANSWERS-Pilot
An air compressor used for filling scuba cylinders operates by the principle of: - ANSWERS-
Boyle's law
The highest tides are called _______ tides, and the lowest tides are called ________ tides . -
ANSWERS-spring; neap
Water of equal temperature at all levels is most likely to be found in a lake during the: -
ANSWERS-spring
The four basic plant and animal life zones in the ocean are: - ANSWERS-littoral, plantonic,
nektonic, benthic
