SDI SCUBA CERTIFICATION FINAL EXAM 2026
QUESTIONS WITH ANSWERS GRADED A+
◉ snorkels. Answer: -easy of breathing depends on the diameter and
length
-over 15 inches in length is not recommended primarily because of
too much dead air space
◉ regulator. Answer: -the first stage reduces cylinder pressure
◉ Care of the regulator. Answer: -when rinsing the regulator leave it
attached to the tank and air pressure on or have the dust cap in
place
-if rinsing with dust cap on, do not depress the purge button
-first stage should be higher than the second stage
◉ Aluminum Scuba Cylinder. Answer: -Must be hydrostatically
tested every 5 years according to the United States Department of
Transportation
-Hydrostatic testing check for elasticity of the cylinder
-Visual inspected at least annually
-** If the cylinder is exposed to very high heat (about 350 degrees F)
the cylinder must be condemned.
, -It'll smell bad, like a house fire, camp fire, etc.
◉ Cylinder Markings. Answer: -should include:
1. Date of hydrostatic test
2. Serial number
3. Type of material
◉ Alternate Air Sources. Answer: 1. Octopus rigs
2. Completely redundant systems
3. An integrated regulator into the BCD inflation/deflation hose.
◉ Three types of exposure suits. Answer: 1. wetsuit
2. dry suit
3. Skin which preserves very little body heat (body heat (best
answer))
◉ Diver computer. Answer: -Should display:
1. Maximum depth
2. Current depth
3. Actual bottom time
4. Remaining allowable bottom time
QUESTIONS WITH ANSWERS GRADED A+
◉ snorkels. Answer: -easy of breathing depends on the diameter and
length
-over 15 inches in length is not recommended primarily because of
too much dead air space
◉ regulator. Answer: -the first stage reduces cylinder pressure
◉ Care of the regulator. Answer: -when rinsing the regulator leave it
attached to the tank and air pressure on or have the dust cap in
place
-if rinsing with dust cap on, do not depress the purge button
-first stage should be higher than the second stage
◉ Aluminum Scuba Cylinder. Answer: -Must be hydrostatically
tested every 5 years according to the United States Department of
Transportation
-Hydrostatic testing check for elasticity of the cylinder
-Visual inspected at least annually
-** If the cylinder is exposed to very high heat (about 350 degrees F)
the cylinder must be condemned.
, -It'll smell bad, like a house fire, camp fire, etc.
◉ Cylinder Markings. Answer: -should include:
1. Date of hydrostatic test
2. Serial number
3. Type of material
◉ Alternate Air Sources. Answer: 1. Octopus rigs
2. Completely redundant systems
3. An integrated regulator into the BCD inflation/deflation hose.
◉ Three types of exposure suits. Answer: 1. wetsuit
2. dry suit
3. Skin which preserves very little body heat (body heat (best
answer))
◉ Diver computer. Answer: -Should display:
1. Maximum depth
2. Current depth
3. Actual bottom time
4. Remaining allowable bottom time
