Scuba Quiz

1.

Something underwater that does not float and does not sink

a. Positively buoyant

b. Negatively buoyant

c. Neutrally buoyant

d. Partially buoyant

2.

By using your computers scroll mode or other display, or with the table in the PADI Enriched Air Diver Manual, you should determine and note

a. The amount of oxygen in the blend

b. The no stop limit for 40 metres

c. The deepest depth you can reach without exceeding 1.4

d. All of the above

3.

Although you personally verify the oxygen analysis of an enriched air cylinders contents, doing so is not necessary if the person who performed the initial analysis is a qualified enriched air blended.

True

False

4.

Pain, weakness, tingling, numbness and not being able to move my arms or legs are common signs and symptoms of

a. dehydration

b. oxygen toxicity (poisoning)

c. contaminated air (bad air)

d. decompression sickness (DCI)

5.

The maximum oxygen partial pressure limit is bar.

6.

Besides being required for diver training, my log book is something that

a. gives me a record of my dive experience

b. is required by law in most countries

c. has no purpose except for my personal interest

d. is required to purchase dive equipment

7.

To prepare a DSMB before a dive, I should check the reel and clips, make sure the line is locked and inspect the buoy by checking for holes, frayed/worn straps and proper valve operation

8.

What is the Surface Air Consumption (SAC) rate of a diver using 60 bar while swimming at 20 metres for 10 minutes when using a 12 litre cylinder?

a. 24 litres per minute

b. 32 litres per minute

c. 18 litres per minute

9.

What is the primary benefit of diving with enriched air?

a. It is safer than diving with air

b. It exposes you to less nitrogen

c. You feel better after the dive

d. All of the above

10.

After a surface interval my pressure group is D. I want to do a repetitive dive to 12 metres for 32 minutes. What will be my new pressure group (PG) when I reach the sureface?

a. N

b. P

c. J

d. G