COMPLETE REAL EXAM QUESTIONS AND CORRECT ANSWERS
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You turn on a cylinder valve by rotating the handle (knob) _.
counter-clockwise.
Scuba cylinder valves are equipped with a __ to keep overpressure from
rupturing the cylinder.
pressure relief disk
If you plan to engage in deep, wreck, or ice diving, you will want a regulator.
high performance
The first stage of the regulator must have a high-pressure port so a can be
connected to the regulator first stage.
submersible pressure gauge (SPG)
When you rinse your regulator, you need to be careful not to press the on
the second stage.
purge button
, Contingency scuba provides a ___ regulator and air supply.
totally independent
You can read _____ depth gauges with reasonable accuracy down to about 12
meters (40 feet), but other gauges are preferable in deeper water.
capillary tube
A ______ is an important directional reference instrument.
compass
A ______ provides a convenient way to consolidate your diving instruments.
console
A timing device for diving must be able to measure _ _.
elapsed time