PADI Open Water Diver Certification – Final
Exam Practice
18 metres/60 feet
1. As a newly certified PADI Open Water
Div- er, I will be trained to dive with
buddy as deep as
2. As you descend in water, the pressure increases
3. A depth change of 10 metres/33 feet caus- 1 bar/ata (atmosphere)
es a pressure change of
4. if you take 6 liters of air from the 2 litres (the density of the air would be
surface to 20 metres/66 feet, the
three times the density at the surface)
volume will be
burst
5. A balloon fully inflated and sealed at
10 metres/33 feet, would probably
dur- ing ascent to the surface
6. A squeeze is caused by a pressure imbalance between
the sur- rounding pressure and
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25
, PADI Open Water Diver Certification – Final
Exam Practice
an air space
7. Equalization is the process of adding air to an air space
8. The most important rule in scuba diving is breathe continuously and
never hold your
to breath
9. During ascent I feel discomfort in my ears. stop, descend slightly, and allow
trapped air
I should to work its way out faster
10. My buddy and I descend to 12 than
metres/40 feet. I would expect to
use my air at 6 metres/20 feet
11. The most efficient way to breathe
deeply and slowly
dense air underwater is to breathe
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25
, PADI Open Water Diver Certification – Final
Exam Practice
12. Buoyancy a force that pushes an object in water
up- ward
13. Salt water causes more buoyancy more
than fresh water because it is
dense and weighs
14. When I descend, my buoyancy tends
decrease, increase
to
. When I ascend, it tends to
15. The three most important comfort
considerations in choosing scuba
equipment are suitabil- ity, fit, and
16. The two basic fin styles are fins adjustable and full-foot
17. My primary considerations when blade size
choos- ing fins are fit and
18. BCD (buoyancy control device) holds your kit together and allows you
to
adjust buoyancy throughout the dive
19. Regulator delivers breathing air at the
surrounding pressure when you
inhale and directs ex- haled air into
the air
20. Cylinder holds the high-pressure breathing
air sup- plied by your regulator
during the dive
21. Weight System holds lead weight to counteract the
3/
25
Exam Practice
18 metres/60 feet
1. As a newly certified PADI Open Water
Div- er, I will be trained to dive with
buddy as deep as
2. As you descend in water, the pressure increases
3. A depth change of 10 metres/33 feet caus- 1 bar/ata (atmosphere)
es a pressure change of
4. if you take 6 liters of air from the 2 litres (the density of the air would be
surface to 20 metres/66 feet, the
three times the density at the surface)
volume will be
burst
5. A balloon fully inflated and sealed at
10 metres/33 feet, would probably
dur- ing ascent to the surface
6. A squeeze is caused by a pressure imbalance between
the sur- rounding pressure and
1/
25
, PADI Open Water Diver Certification – Final
Exam Practice
an air space
7. Equalization is the process of adding air to an air space
8. The most important rule in scuba diving is breathe continuously and
never hold your
to breath
9. During ascent I feel discomfort in my ears. stop, descend slightly, and allow
trapped air
I should to work its way out faster
10. My buddy and I descend to 12 than
metres/40 feet. I would expect to
use my air at 6 metres/20 feet
11. The most efficient way to breathe
deeply and slowly
dense air underwater is to breathe
2/
25
, PADI Open Water Diver Certification – Final
Exam Practice
12. Buoyancy a force that pushes an object in water
up- ward
13. Salt water causes more buoyancy more
than fresh water because it is
dense and weighs
14. When I descend, my buoyancy tends
decrease, increase
to
. When I ascend, it tends to
15. The three most important comfort
considerations in choosing scuba
equipment are suitabil- ity, fit, and
16. The two basic fin styles are fins adjustable and full-foot
17. My primary considerations when blade size
choos- ing fins are fit and
18. BCD (buoyancy control device) holds your kit together and allows you
to
adjust buoyancy throughout the dive
19. Regulator delivers breathing air at the
surrounding pressure when you
inhale and directs ex- haled air into
the air
20. Cylinder holds the high-pressure breathing
air sup- plied by your regulator
during the dive
21. Weight System holds lead weight to counteract the
3/
25
