AND CORRECT Answers
When selecting a face mask, the most important thing to Proper seal and fit.
consider is:
Snorkels over 15 inches in length are not reccomended They have too much dead air space.
primarily because:
, When buying or renting scuba equipment for diving, it's fit on your body
Space the most pertinent consideration is
When rinsing a regulator it is best to leave the regulator attached to the tank four have the dust cat in place
Diving equipment should be rinse thoroughly, dried and stored in a cool place.
Scuba tank should always have some pressure and then moisture from entering.
to prevent
According to the Department of Transportation 5 years
regulations, scuba tanks must be hydrostatically tested
every
Open heel fins are usually the sense of choice for scuba they may be used in a wide variety of environmental conditions.
divers because
The primary purpose of the exposure suit is to preserve heat during dives.
Weighting systems are used by the diver primarily to offset the positive buoyancy created by the wet suit.
You should have your regulator serviced by certified at least once per year.
repair technician
The stage of the regulator, which reduces tank pressure, the first stage.
is
Two types of materials that scuba tanks are made from aluminum.
our steel and
The ___________ line is the direction of travel line on the lubber
compass
The dive knife is used primarily as a ___________ for digging, Tool
cutting, pounding, and prying
Stamped (engraved) markings on scuba tanks include date of hydrostatic test, serial number, and type of material.
Atmospheric pressure at sea level is 14.7 pounds per square inch/1.0 atmosphere absolute
A seal balloon filled with air that has a volume of 6 in.r at 12 in.r
99 feet will have a volume of __ at 33 feet