The stage of the regulator which reduces tank pressure is: - ANS ✓the first
stage
The _________ line is the direction of travel line on the compass. - ANS ✓lubber
A _____ calculates your remaining allowable bottom time while diving. - ANS
✓dive computer
A diving watch must be able to withstand pressure and measure _____. - ANS
✓elapsed time
Proper maintenance of instruments includes: - ANS ✓Rinse them in fresh
water at the end of each diving day.
Have them inspected and serviced annually by a qualified technician.
Do not subject them to extreme temperature changes.
Three main types of _____ are back floatation, jacket, and horse collar. - ANS
✓bcs
Essential features found on all BCs are: - ANS ✓power inflator mechanism
overpressure relief valve
inflator/deflator hose
NAUI ELEARNING
, 2
NAUI
You should rinse your BC internally because _____ inside your BC can cause
damage. - ANS ✓salt water
dirt water
chlorinated water
Weighting systems are used by the diver primarily to: - ANS ✓offset the
positive buoyancy created by the wet suit
The most important feature of a weight belt is _____. - ANS ✓quick release
A _____ compensates for the compression of a wetsuit as you descend
underwater. - ANS ✓compensating weight belt
The primary purpose of the exposure suit is to: - ANS ✓preserve body heat
during dives
A _____ is suitable for warm, tropical diving. - ANS ✓dive skin
A _____ is made from foam neoprene. - ANS ✓wetsuit
A _____ uses undergarments for insulation. - ANS ✓dry suit
You do not need special training to use a dry suit. - ANS ✓false
The dive knife is used primarily as a _____ for digging, cutting, pounding and
prying. - ANS ✓tool
When you fly a dive flag, you must _____. - ANS ✓dive near the flag
remove the flag when divers are not in the water
fly from your surface support station
NAUI ELEARNING
, 3
NAUI
You should record all dives in your logbook because _____. - ANS ✓you might
be required to show proof of experience
there are laws in parts to the world that require you to log dives
dive operators may review your logbook before they will provide services
An additional accessory that will be useful to you is _____. - ANS ✓underwater
slate
goodie bag
spare parts kit
If you must walk in fins, you must walk _____. - ANS ✓backwards
To prevent losing your balance when donning fins, you can _____. - ANS ✓use
the figure-4 position
sit down
use your buddy's shoulder for support
Two recommended methods of clearing your snorkel are the blast and the
_____ clear. - ANS ✓displacement
The _____ clear of your snorkel requires the least amount of energy. - ANS
✓displacement
When you mount your regulator on your cylinder, it should be lined up so
that the inlet to the first stage of the regulator lines up with the outlet from
the cylinder valve. - ANS ✓true
A scuba cylinder valve is turned on when you rotate it in a clockwise
direction. - ANS ✓false
NAUI ELEARNING
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