Exam Questions And Correct Answers
(Verified Answers) 2026/2027
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
Weight System - CORRECT ANSWER -holds lead weight to counteract
the positive buoyancy of your body and some of your equipment, with a
mechanism for dropping some or all the weight in an emergency
The five components that make up a BCD include - CORRECT
ANSWER -an inflatable bladder, a cylinder band and harness/jacket, an