Diving

Question 0

The reciprocal marks on your compasses bezel do what?

Answer 0

Help you to find your way back to your starting point without having to surface to take a new heading

Question 1

How are you get the longest bottom time?

Answer 1

Making the deepest dives first

Question 2

Scuba cylinders are hydrostatically leak tested when?

Answer 2

Hydrostatically tested and visually inspected at intervals determined by local laws and regulations, or prevailing standards of practice

Question 3

What is an ear squeeze?

Answer 3

Occurs when the pressure inside the middle ear space is less than ambient (surrounding) pressure