Free Scuba Diving Certification Question and Answers

Question 1

The diver's ____ is also known as the cylinder.

Accepted Answer

tank

Answer

light

Answer

pressure gauge

Answer

rebreather

Question 2

You want to be _________ when you've descended to your desired depth.

Accepted Answer

neutral buoyancy

Answer

positive buoyancy

Answer

negative buoyancy

Answer

none of the above

Question 3

_________ is a typical method of preventing decompression sickness.

Accepted Answer

decompression stops (gradual ascent)

Answer

mega-dosing with Vitamin D

Answer

adding methane to the breathing gas

Answer

high-speed ascent

Question 4

Which of these would you classify as "confined water"?

Accepted Answer

a swimming pool or tank

Answer

offshore shallows

Answer

a bay

Answer

a river

Question 5

It is known as ____ when a liquid tends to force a lighter object to the surface.

Accepted Answer

buoyancy

Answer

decompression

Answer

torque

Answer

compression

Question 6

What is "confined water's" opposite?

Accepted Answer

open water

Answer

moving water

Answer

international waters

Answer

sea water

Question 7

The majority of recreational divers wear a set that allows them to breathe through the ___________.

Accepted Answer

mouth only

Answer

nose and mouth

Answer

nose only