Padi Open Water Tests

Front 1

An object is neutrally buoyant when it displaces an amount of water less than its own weight?

Back 1

False, when it displaces less is negative, positive is when it displaces more, so its neutrally buoyant

Front 2

buoyancy control on the surface?

Back 2

you can save energy and rest

Front 3

buoyancy control underwater?

Back 3

you can move freely in all directions and avoid damaging aquatic life

Front 4

the same object would be more buoyant in_________, than it would be in________.

Back 4

Saltwater, Freshwater

Front 5

What is a squeeze?

Back 5

A condition that causes pain an discomfort when the pressure outside an air space of your body is less than the pressure inside an air space.

Front 6

Technique to equalize during descent?

Back 6

Block your Nose and attempt to gently blow through it.

Front 7

True or False: Because water is denser than air the pressure change for a given distance ascent or descent is significantly greater in water than in air.

Back 7

True

Front 8

How often you should equalize during descent?

Back 8

Every metre/few feet

Front 9

True or false: If you feel discomfort in your ears while descending you should continue descending until the discomfort is gone?

Back 9

False.

Front 10

The most important rule in scuba diving is?

Back 10

Never never never hold your breathe.

Front 11

What is a Reverse Block?

Back 11

A condition that occurs when expanding air cannot escape from a body air space during ascent, causing pain and discomfort.

Front 12

what you should do if you feel discomfort while ascending due to air expansion?

Back 12

Slow or stop ascending and give the trapped air time to work its way out.

Front 13

Why your nose has to be enclosed in the mask?

Back 13

So you can equalize your mask.

Front 14

Explain the best way to prevent water from entering your scuba cylinder.

Back 14

To don't let it be completely empty.

Front 15

The most important consideration for a regulator is?

Back 15

Ease of breathing