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Test Your Knowledge. (Answers shown below)
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4. When filled to the pressure permitted, when a plus sign follows a current hydrostatic test date, a standard 71.2 cubic foot steel tank contains(__) cubic feet of air.
A. 64.7
B. 71.2
C. 78.3
D. 80.0
5. Avoid emptying your scuba tank completely because:
A. You may cause metal fatigue
B. Insects may enter the tank
C. Moisture may enter the tank
D. Dust may enter the tank
6. Have your scuba tank visually inspected every(__) & pressure tested every (__):
A. Year, two years
B. Year, five years
C. Five years, year
D. Year, year
7 Regular gross overfilling of scuba cylinders may cause:
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Taken from Dive Training Magazine
1. Most diving compass types are:
A. Direct-reading card
B. Direct-reading needle
C. Indirect-reading card
D. Indirect-reading needle
2. The primary reason a diving compass is liquid-filled is to:
A. Prevent pressure differential
problems
B. Dampen needle movement
C. Prevent fogging of the cover
D. Prevent leakage
3. To obtain a reciprocal heading, add _ degrees to a compass heading.
A. 90
B. 120
C. 180
D. 360
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Sick Computers (con't from page 2)
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Another popular method is to install software directly on your computer from the internet. When your Internet Browser asks you "Do you want to install and run….," make sure you know what you're installing before you click yes. Read before you click lest your computer might become sick!
For your computer health, the DMAV web site does not install any type of spyware / adware on your computer. We strongly recommend installing and using both AdAware (from LavaSoft) and Spybot programs to help keep your computer healthy. Both programs are PCWorld recommended for 2004, free of charge, and can be downloaded at:
Adaware ( http://www.lavasoft.de/ ) and SpyBot ( http://spybot.safer-networking.de/en/index.html )
Remember, the less time you have to spend cleaning your computer is more time you have for diving!!!
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Answers to questions shown above: 1-D 2-B 3-C 4-B 5-C 6-B 7-A 8-C 9--C 10-C
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Click here for the next page
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