Quiz UPDATED ACTUAL Questions and
CORRECT Answers
First Stage - CORRECT ANSWER - Reduces tank pressure
Hydrostatic test - CORRECT ANSWER - Must be conducted every 5 years
Proper seal & fit - CORRECT ANSWER - Must ensure when selecting facemask
Proper regulator rinse - CORRECT ANSWER - Keep dust cap in place OR leave regulator
attached to tank
Lubber line - CORRECT ANSWER - Direction of travel line on compass
Defensive action - CORRECT ANSWER - Most often the cause of injuries from aquatic
life on part of the animal
Wind - CORRECT ANSWER - Causes most surface waves
Thermocline - CORRECT ANSWER - Point which sudden change in water temperature
occurs
14.7 psi - CORRECT ANSWER - Atmospheric pressure (ATA) at sea level
1 ATA Absolute - CORRECT ANSWER - 14.7 psi
64 lbs per cubic foot - CORRECT ANSWER - Sea water weight