Scuba Diving Scuba Diving Equipment

Question 1

What does the acronym BCD stand for in scuba diving?

Accepted Answer

Buoyancy Control Device

Answer

Breathing Control Dial

Answer

Bottom Compression Disc

Answer

Ballast Compensation Dial

Question 2

What is the primary function of a regulator in scuba diving?

Accepted Answer

Reduce tank pressure to breathable levels

Answer

Measure depth underwater

Answer

Inflate the BCD

Answer

Track remaining air supply

Question 3

Which gauge tells a scuba diver how much air remains in their tank?

Accepted Answer

Submersible Pressure Gauge (SPG)

Answer

Depth gauge

Answer

Compass

Answer

Dive computer

Question 4

What is the recommended minimum tank pressure at which a diver should begin their ascent?

Accepted Answer

500 PSI (35 bar)

Answer

1000 PSI (70 bar)

Answer

200 PSI (14 bar)

Answer

750 PSI (52 bar)

Question 5

What material are most modern scuba tanks made from?

Accepted Answer

Aluminum or steel

Answer

Titanium or carbon fiber

Answer

Plastic or fiberglass

Answer

Copper or brass

Question 6

What is the purpose of a wetsuit in scuba diving?

Accepted Answer

Thermal insulation and minor physical protection

Answer

Increasing air supply duration

Answer

Regulating breathing pressure

Answer

Providing navigation reference