Scuba Diving Scuba Diving Equipment 2

Question 1

What is a dive knife primarily used for in scuba diving?

Accepted Answer

Cutting entangling lines or nets

Answer

Hunting fish underwater

Answer

Prying open shellfish

Answer

Digging in the sand

Question 2

Which type of fin style allows divers to wear thick booties and provides more thrust?

Accepted Answer

Open-heel fins

Answer

Full-foot fins

Answer

Split fins

Answer

Paddle fins

Question 3

What is a dive computer's primary role?

Accepted Answer

Track depth and time to calculate no-decompression limits

Answer

Navigate underwater using GPS

Answer

Communicate with the surface

Answer

Control BCD inflation automatically

Question 4

What does a dry suit use to keep a diver warm?

Accepted Answer

Air or argon trapped inside the suit

Answer

A heated water layer

Answer

Thick neoprene foam

Answer

Chemical heating packs

Question 5

What is the purpose of a scuba mask purge valve?

Accepted Answer

Clear water from the mask without removing it

Answer

Equalize ear pressure

Answer

Release excess regulator pressure

Answer

Vent CO2 from exhaled air

Question 6

What is a surface marker buoy (SMB) used for?

Accepted Answer

Signal divers' location to boats at the surface

Answer

Mark an underwater hazard

Answer

Float spare equipment to the surface

Answer

Measure visibility underwater