100% Correct Answers 2024
/2025
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) -