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* 1. The most accurate way of measuring distance underwater (in the absence of a measuring device) is:

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* 2. If a tank is filled to 200 bar at a temperature of 40̊C, what is the tank pressure if it is cooled to a temperature of 20̊C?

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* 3. The correct procedure for performing a Controlled Emergency Swimming Ascent (CESA) include:

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* 4. During a deep dive, you notice a diver is behaving foolishly. The best way to assist the diver is to:

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* 5. Generally it is recommended that you use a lift bag to recover an object that has more negative buoyancy than

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* 6. How do you determine correct weighting at the surface?

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* 7. Waves are mostly caused by:

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* 8. To avoid being without a light on a night dive, it is recommended that each night diver carry:

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* 9. When diving at altitude, although the percentage of gases within the atmosphere remains the same, the _____ of the gases will _____

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* 10. Name

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