UPDATED ACTUAL Exam Questions and
CORRECT Answers
As a newly certified PADI Open Water Diver, I will be trained to dive with buddy as deep as -
CORRECT ANSWER - 18 metres/60 feet
As you descend in water, the pressure - CORRECT ANSWER - increases
A depth change of 10 metres/33 feet causes a pressure change of - CORRECT ANSWER -
1 bar/ata (atmosphere)
if you take 6 liters of air from the surface to 20 metres/66 feet, the volume will be - CORRECT
ANSWER - 2 litres (the density of the air would be three times the density at the surface)
A balloon fully inflated and sealed at 10 metres/33 feet, would probably ______ during ascent to
the surface - CORRECT ANSWER - burst
A squeeze is caused by - CORRECT ANSWER - a pressure imbalance between the
surrounding pressure and an air space
Equalization is the process of - CORRECT ANSWER - adding air to an air space
The most important rule in scuba diving is to - CORRECT ANSWER - breathe
continuously and never hold your breath
During ascent I feel discomfort in my ears. I should - CORRECT ANSWER - stop,
descend slightly, and allow trapped air to work its way out
, My buddy and I descend to 12 metres/40 feet. I would expect to use my air _____ at 6 metres/20
feet - CORRECT ANSWER - faster than
The most efficient way to breathe dense air underwater is to breathe - CORRECT
ANSWER - deeply and slowly
Buoyancy - CORRECT ANSWER - a force that pushes an object in water upward
Salt water causes more buoyancy than fresh water because it is _____ dense and weighs _____ -
CORRECT ANSWER - more
When I descend, my buoyancy tends to ________. When I ascend, it tends to _______ -
CORRECT ANSWER - decrease, increase
The three most important considerations in choosing scuba equipment are suitability, fit, and -
CORRECT ANSWER - comfort
The two basic fin styles are __________ fins - CORRECT ANSWER - adjustable and full-
foot
My primary considerations when choosing fins are fit and - CORRECT ANSWER - blade
size
BCD (buoyancy control device) - CORRECT ANSWER - holds your kit together and
allows you to adjust buoyancy throughout the dive
Regulator - CORRECT ANSWER - delivers breathing air at the surrounding pressure
when you inhale and directs exhaled air into the air
Cylinder - CORRECT ANSWER - holds the high-pressure breathing air supplied by your
regulator during the dive