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PADI Open Water Certification Final Exam Practice Questions and answers
[Show more]PADI Open Water Certification Final Exam Practice Questions and answers
[Show more]Which level of protection is the greatest? 
IBD 
 
 
 
Which level below offers protection for passenger and cargo railways, as well as water channels capable of being used for commerce? 
PTRD 
 
 
 
Which type of magazine is commonly restricted to storing Classes or Divisions 1.2, 1.3, and 1.4 mate...
Preview 2 out of 5 pages
Add to cartWhich level of protection is the greatest? 
IBD 
 
 
 
Which level below offers protection for passenger and cargo railways, as well as water channels capable of being used for commerce? 
PTRD 
 
 
 
Which type of magazine is commonly restricted to storing Classes or Divisions 1.2, 1.3, and 1.4 mate...
1) If an object is neutrally buoyant (does not sink or float) in fresh water, the same object placed into salt water would 
 
A sink. 
B either sink or float. 
C do nothing. 
D float. 
D float. 
 
Salt water is heavier than fresh water because it has dissolved minerals in it. This means it causes mo...
Preview 3 out of 27 pages
Add to cart1) If an object is neutrally buoyant (does not sink or float) in fresh water, the same object placed into salt water would 
 
A sink. 
B either sink or float. 
C do nothing. 
D float. 
D float. 
 
Salt water is heavier than fresh water because it has dissolved minerals in it. This means it causes mo...
If an object is neutrally buoyant in fresh water, the same object placed into salt water would... 
Float 
 
 
 
I blow up a balloon, tie it off, and take it to the bottom of the swimming pool. What will happen to the balloon and the air inside it? 
The balloon will get smaller and the air inside the...
Preview 2 out of 6 pages
Add to cartIf an object is neutrally buoyant in fresh water, the same object placed into salt water would... 
Float 
 
 
 
I blow up a balloon, tie it off, and take it to the bottom of the swimming pool. What will happen to the balloon and the air inside it? 
The balloon will get smaller and the air inside the...
As a newly certified PADI Open Water Diver, I will be trained to dive with buddy as deep as 
18 metres/60 feet 
 
 
 
As you descend in water, the pressure 
increases 
 
 
 
A depth change of 10 metres/33 feet causes a pressure change of 
1 bar/ata (atmosphere) 
 
 
 
if you take 6 liters of air fro...
Preview 2 out of 10 pages
Add to cartAs a newly certified PADI Open Water Diver, I will be trained to dive with buddy as deep as 
18 metres/60 feet 
 
 
 
As you descend in water, the pressure 
increases 
 
 
 
A depth change of 10 metres/33 feet causes a pressure change of 
1 bar/ata (atmosphere) 
 
 
 
if you take 6 liters of air fro...
SCUBA 
Self contained underwater breathing apparatus 
 
 
 
What is the pressure change for each 10m/33ft of depth change? 
1 bar/1 ata/1 atmosphere 
 
 
 
What is the relationship between my depth in water and the pressure? 
The deeper you go in water, the more the pressure increases 
Pressure is e...
Preview 3 out of 16 pages
Add to cartSCUBA 
Self contained underwater breathing apparatus 
 
 
 
What is the pressure change for each 10m/33ft of depth change? 
1 bar/1 ata/1 atmosphere 
 
 
 
What is the relationship between my depth in water and the pressure? 
The deeper you go in water, the more the pressure increases 
Pressure is e...
Squeeze 
Caused by a pressure imbalance 
 
 
 
Equalization 
The process of adding air to an air space. Always do this before discomfort while descending to avoid it altogether. 
 
 
 
If you can't equalize... 
Stop descent and signal buddy 
 
 
 
Always equalize ______, because a forceful equaliza...
Preview 1 out of 2 pages
Add to cartSqueeze 
Caused by a pressure imbalance 
 
 
 
Equalization 
The process of adding air to an air space. Always do this before discomfort while descending to avoid it altogether. 
 
 
 
If you can't equalize... 
Stop descent and signal buddy 
 
 
 
Always equalize ______, because a forceful equaliza...
What will the buoyancy of an object be (positive, neutral, or negative) if it displaces an amount of water: 
a. more than its own weight? 
b. less than its own weight? 
c. equal to its own weight? 
a. positive 
b. negative 
c. neutral 
 
 
 
How does the buoyancy of an object differ in fresh water c...
Preview 2 out of 9 pages
Add to cartWhat will the buoyancy of an object be (positive, neutral, or negative) if it displaces an amount of water: 
a. more than its own weight? 
b. less than its own weight? 
c. equal to its own weight? 
a. positive 
b. negative 
c. neutral 
 
 
 
How does the buoyancy of an object differ in fresh water c...
If an object is neutrally buoyant (does not sink or float) in fresh water; the same object placed into salt water would: 
sink. 
 
 
 
Imagine you blow up a balloon, tie it off, and take it to the bottom of the swimming pool. What will happen to the balloon and the air inside it? 
The balloon will g...
Preview 2 out of 5 pages
Add to cartIf an object is neutrally buoyant (does not sink or float) in fresh water; the same object placed into salt water would: 
sink. 
 
 
 
Imagine you blow up a balloon, tie it off, and take it to the bottom of the swimming pool. What will happen to the balloon and the air inside it? 
The balloon will g...
Something underwater that does not float and does not sink is 
Negatively Buoyant 
 
 
 
If an object is neutrally buoyant in salt water, what will happen to the object if put into fresh water? 
The object will sink 
 
 
 
A diver is 30 meters/99 feet underwater. The water pressure at this depth wou...
Preview 1 out of 4 pages
Add to cartSomething underwater that does not float and does not sink is 
Negatively Buoyant 
 
 
 
If an object is neutrally buoyant in salt water, what will happen to the object if put into fresh water? 
The object will sink 
 
 
 
A diver is 30 meters/99 feet underwater. The water pressure at this depth wou...
When is an object positively buoyant? 
When it displaces a volume of water weighing more than its own weight. 
 
 
 
When is an object negatively buoyant? 
When it displaces a volume of water weighing less than its own weight. 
 
 
 
When is an object neutrally buoyant? 
When it displaces a volume o...
Preview 2 out of 12 pages
Add to cartWhen is an object positively buoyant? 
When it displaces a volume of water weighing more than its own weight. 
 
 
 
When is an object negatively buoyant? 
When it displaces a volume of water weighing less than its own weight. 
 
 
 
When is an object neutrally buoyant? 
When it displaces a volume o...
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