SDI SCUBA EXAM 2024/2025 | ACCURATE EXAM VERSIONS
WITH CURRENTLY TESTING QUESTIONS AND FREQUENTLY
TESTED QUESTIONS WITH ACCURATE ANSWERS AND A STUDY
GUIDE
A regulator system may include:
A. A first stage and primary second stage.
B. An alternate air source second stage (or a connection to an alternate air source
inflator on the BC).
C. A submersible pressure gauge (SPG), which is usually part of an instrument console.
D. All of the above. - <<ANSWER>>D. All of the above.
Some alternate air sources are combined with a _________ , to reduce the number of
hoses connected to the first stage regulator.
A. Tire inflator
B. BC power inflator
C. Snorkel
D. Submersible pressure gauge - <<ANSWER>>B. BC power inflator
Scuba cylinders must periodically undergo:
A. Hydrostatic testing.
B. Anticorrosive recoating.
C. Visual inspections.
D. Both the first and third answers are correct. - <<ANSWER>>D. Both the first and
third answers are correct.
Among the reasons divers prefer computers over dive tables:
A. Computers account for the multilevel nature of most dives and, therefore, allow
longer no decompression limits.
B. Computers are generally more convenient to use than dive tables.
, C. Computers provide among the best possible means of keeping ascent rates under
control.
D. All of the above. - <<ANSWER>>D. All of the above.
A dive knife or cutting tool can be used to:
A. Fend off dangerous aquatic life.
B. Help free an entangled diver.
C. Signal others under water by using it to bang on a cylinder.
D. Both the second and third answers are correct. - <<ANSWER>>D. Both the second
and third answers are correct.
If possible, before attaching your BC to your scuba cylinder, you should:
A. Inflate it completely.
B. Soak the cam band (tank band) in water.
C. Attach the regulator to the cylinder first.
D. Connect the BC low pressure inflator hose to the BC. - <<ANSWER>>B. Soak the
cam band (tank band) in water.
What piece of equipment should never be allowed to dangle freely?
A. Alternate-air-source second stage.
B. BC power inflator.
C. Submersible pressure gauge or instrument console.
D. Both the first and third answers are correct. - <<ANSWER>>D. Both the first and
third answers are correct.
After your buddy checks to see that your air is turned all the way on:
A. You are ready to enter.
B. Reach back and double check it yourself.
C. Take several deep breaths from your regulator while watching your SPG for changes
in pressure.
D. None of the above. - <<ANSWER>>C. Take several deep breaths from your
regulator while watching your SPG for changes in pressure.
The best type of boat entry:
A. Is a backward roll.
B. Is the one the crew recommends.
C. Is generally the easiest.
D. Both the second and third answers are correct. - <<ANSWER>>D. Both the second
and third answers are correct.
If you will be rinsing your regulator after removing it from the cylinder, you must make
sure that the ____________ is firmly in place.
A. Mouthpiece plug
B. Alternate air source retainer
C. Dust cap
D. None of the above - <<ANSWER>>C. Dust cap
WITH CURRENTLY TESTING QUESTIONS AND FREQUENTLY
TESTED QUESTIONS WITH ACCURATE ANSWERS AND A STUDY
GUIDE
A regulator system may include:
A. A first stage and primary second stage.
B. An alternate air source second stage (or a connection to an alternate air source
inflator on the BC).
C. A submersible pressure gauge (SPG), which is usually part of an instrument console.
D. All of the above. - <<ANSWER>>D. All of the above.
Some alternate air sources are combined with a _________ , to reduce the number of
hoses connected to the first stage regulator.
A. Tire inflator
B. BC power inflator
C. Snorkel
D. Submersible pressure gauge - <<ANSWER>>B. BC power inflator
Scuba cylinders must periodically undergo:
A. Hydrostatic testing.
B. Anticorrosive recoating.
C. Visual inspections.
D. Both the first and third answers are correct. - <<ANSWER>>D. Both the first and
third answers are correct.
Among the reasons divers prefer computers over dive tables:
A. Computers account for the multilevel nature of most dives and, therefore, allow
longer no decompression limits.
B. Computers are generally more convenient to use than dive tables.
, C. Computers provide among the best possible means of keeping ascent rates under
control.
D. All of the above. - <<ANSWER>>D. All of the above.
A dive knife or cutting tool can be used to:
A. Fend off dangerous aquatic life.
B. Help free an entangled diver.
C. Signal others under water by using it to bang on a cylinder.
D. Both the second and third answers are correct. - <<ANSWER>>D. Both the second
and third answers are correct.
If possible, before attaching your BC to your scuba cylinder, you should:
A. Inflate it completely.
B. Soak the cam band (tank band) in water.
C. Attach the regulator to the cylinder first.
D. Connect the BC low pressure inflator hose to the BC. - <<ANSWER>>B. Soak the
cam band (tank band) in water.
What piece of equipment should never be allowed to dangle freely?
A. Alternate-air-source second stage.
B. BC power inflator.
C. Submersible pressure gauge or instrument console.
D. Both the first and third answers are correct. - <<ANSWER>>D. Both the first and
third answers are correct.
After your buddy checks to see that your air is turned all the way on:
A. You are ready to enter.
B. Reach back and double check it yourself.
C. Take several deep breaths from your regulator while watching your SPG for changes
in pressure.
D. None of the above. - <<ANSWER>>C. Take several deep breaths from your
regulator while watching your SPG for changes in pressure.
The best type of boat entry:
A. Is a backward roll.
B. Is the one the crew recommends.
C. Is generally the easiest.
D. Both the second and third answers are correct. - <<ANSWER>>D. Both the second
and third answers are correct.
If you will be rinsing your regulator after removing it from the cylinder, you must make
sure that the ____________ is firmly in place.
A. Mouthpiece plug
B. Alternate air source retainer
C. Dust cap
D. None of the above - <<ANSWER>>C. Dust cap
