Three types of alternate air sources that are in common use today are:
,Full face masks, completely redundant systems, octopus rigs.
Octopus rigs, completely redundant systems, an integrated regulator into
the BCD inflation/deflation hose.
Titanium cylinders, full face masks, octopus rigs.
Integrated regulator into the BCD inflation/deflation hose, octopus rigs,
technical rigs. - answer Octopus rigs, completely redundant systems, an
integrated regulator into the BCD inflation/deflation hose.
According to the United States Department of Transportation regulations,
scuba tanks must be hydrostatically tested every:
1 year
3 years
5 years
10 years - answer 5 years
The most important functional feature of a weight belt or weight system
is:
A means for ditching the weights immediately with one hand.
Comfort.
The capability of the belt or system to use only certain types of weight
media.
, Bright color for ease of identification. - answer A means for ditching the
weights immediately with one hand.
The primary purpose of the exposure suit is to:
Preserve body heat during dives.
Look good while diving.
Provide buoyancy during dives.
Prevent scrapes and cuts during dives. - answer Preserve body heat
during dives.
At a minimum, while diving, most dive computers display:
Minimum depth, actual bottom time, water temperature.
Maximum depth, current depth, actual bottom time, remaining allowable
bottom time.
Maximum depth, remaining allowable bottom time, air temperature.
Minimum depth, current depth, unavailable bottom time. - answer
Maximum depth, current depth, actual bottom time, remaining allowable
bottom time
You should have your regulator serviced by a certified repair technician:
Once every five years.
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