SDI ADVANCED CERTIFICATION
COMPANION 2026 FULL ANSWERS
GUARANTEED A+
⩥ As pressure increases. Answer: Volume decreases
⩥ What is the main purpose of a snorkel?. Answer: Allows you to
conserve air from your scuba cylinder at long intervals of time at the
surface
⩥ How do you know if your mask fits correctly?. Answer: Will tighten
to your face and won't fall off via suction through your nose
⩥ Name one audible and one visual rescue signal device. Answer:
Whistle/horn
Bright-colored lift bag
⩥ Name two basic fin designs. Answer: Full-foot and open-heel
⩥ What is the main difference between a wet suit and a dry suit?.
Answer: Dry suit is designed with an integrated inflation system to keep
body completely out of contact with water. Dry suits keep divers
completely dry for use in cold water (below 50 degrees)
COMPANION 2026 FULL ANSWERS
GUARANTEED A+
⩥ As pressure increases. Answer: Volume decreases
⩥ What is the main purpose of a snorkel?. Answer: Allows you to
conserve air from your scuba cylinder at long intervals of time at the
surface
⩥ How do you know if your mask fits correctly?. Answer: Will tighten
to your face and won't fall off via suction through your nose
⩥ Name one audible and one visual rescue signal device. Answer:
Whistle/horn
Bright-colored lift bag
⩥ Name two basic fin designs. Answer: Full-foot and open-heel
⩥ What is the main difference between a wet suit and a dry suit?.
Answer: Dry suit is designed with an integrated inflation system to keep
body completely out of contact with water. Dry suits keep divers
completely dry for use in cold water (below 50 degrees)
