SDI FINAL EXAM | NEWEST ACTUAL
EXAM COMPREHENSIVE QUESTIONS
AND VERIFIED ANSWERS GRADED A+ |
100% PASS | 2025 UPDATE!
Before you can remove the regulator from your scuba cylinder, you
must:
1: Turn the air all the way off.
2: Depressurize the system by depressing and holding one of the purge
buttons.
3: Make sure the low-pressure inflator hose remains connected to the
BC power inflator.
4: Both the first and second answers are correct - ✔✔✔ Correct
Answer > Correct Answer:
Both the first and second answers are correct
Explanation:
You must make sure the low-pressure inflator hose is disconnected
from the BC power inflator.
If you become separated from your buddy, search for no more than
________ ________, then surface.
,1: One minute
2: Two minute
3: Three minutes
4: Five minutes - ✔✔✔ Correct Answer > Correct Answer:
One minute
Explanation:
If you become separated from your buddy, search for no more than one
minute, then surface.
Air passages such as your trachea (windpipe), which may contain air
your body can't use, are known as:
1: Brachia.
2: Bronchials.
3: Dead air spaces.
4: Restricted orifices. - ✔✔✔ Correct Answer > Correct Answer:
Dead air spaces.
Explanation:
Air passages such as your trachea (windpipe), which may contain air
your body can't use, are known as dead air spaces.
Any time a regulator is out of your mouth under water, you should:
,1: Hold your breath to conserve your remaining air.
2: Exhale a small, steady stream of bubbles.
3: Exhale forcefully to purge your lungs of air.
4: None of the above. - ✔✔✔ Correct Answer > Correct Answer:
Exhale a small, steady stream of bubbles.
Explanation:
Any time a regulator is out of your mouth under water, you should
exhale a small, steady stream of bubbles.
The two most common methods for recovering a regulator that has
fallen behind your shoulder are:
1: Reach, Blast
2: Sweep, Purge
3: Reach, Sweep
4: Sweep, Blast - ✔✔✔ Correct Answer > Correct Answer:
Reach, Sweep
Explanation:
The two most common methods for recovering a regulator that has
fallen behind your shoulder are the reach and the sweep.
Which of the following is not true? When Clearing a mask, you should:
, 1: Pull out slightly at the base of the mask to create a space for water to
exit.
2: Inhale through your mouth, but exhale through your nose.
3: Take as many breaths as needed to clear the mask completely.
4: Look up during the last exhalation to make the bottom of the mask
skirt the lowest point. - ✔✔✔ Correct Answer > Correct Answer:
Pull out slightly at the base of the mask to create a space for water to
exit.
Explanation:
Pulling out slightly at the base of the mask to 'create a space for water
to exit' may allow as much water to enter as exit. Instead, just push in
at the tops and sides.
The most accurate place to conduct a weight check is:
1: At the surface, at the beginning of the dive.
2: At the deepest point reached during the dive.
3: At safety-stop depth, at the end of the dive.
4: None of the above. - ✔✔✔ Correct Answer > Correct Answer:
At safety-stop depth, at the end of the dive.
Explanation:
The most accurate place to conduct a weight check is at safety-stop
depth, at the end of the dive.
EXAM COMPREHENSIVE QUESTIONS
AND VERIFIED ANSWERS GRADED A+ |
100% PASS | 2025 UPDATE!
Before you can remove the regulator from your scuba cylinder, you
must:
1: Turn the air all the way off.
2: Depressurize the system by depressing and holding one of the purge
buttons.
3: Make sure the low-pressure inflator hose remains connected to the
BC power inflator.
4: Both the first and second answers are correct - ✔✔✔ Correct
Answer > Correct Answer:
Both the first and second answers are correct
Explanation:
You must make sure the low-pressure inflator hose is disconnected
from the BC power inflator.
If you become separated from your buddy, search for no more than
________ ________, then surface.
,1: One minute
2: Two minute
3: Three minutes
4: Five minutes - ✔✔✔ Correct Answer > Correct Answer:
One minute
Explanation:
If you become separated from your buddy, search for no more than one
minute, then surface.
Air passages such as your trachea (windpipe), which may contain air
your body can't use, are known as:
1: Brachia.
2: Bronchials.
3: Dead air spaces.
4: Restricted orifices. - ✔✔✔ Correct Answer > Correct Answer:
Dead air spaces.
Explanation:
Air passages such as your trachea (windpipe), which may contain air
your body can't use, are known as dead air spaces.
Any time a regulator is out of your mouth under water, you should:
,1: Hold your breath to conserve your remaining air.
2: Exhale a small, steady stream of bubbles.
3: Exhale forcefully to purge your lungs of air.
4: None of the above. - ✔✔✔ Correct Answer > Correct Answer:
Exhale a small, steady stream of bubbles.
Explanation:
Any time a regulator is out of your mouth under water, you should
exhale a small, steady stream of bubbles.
The two most common methods for recovering a regulator that has
fallen behind your shoulder are:
1: Reach, Blast
2: Sweep, Purge
3: Reach, Sweep
4: Sweep, Blast - ✔✔✔ Correct Answer > Correct Answer:
Reach, Sweep
Explanation:
The two most common methods for recovering a regulator that has
fallen behind your shoulder are the reach and the sweep.
Which of the following is not true? When Clearing a mask, you should:
, 1: Pull out slightly at the base of the mask to create a space for water to
exit.
2: Inhale through your mouth, but exhale through your nose.
3: Take as many breaths as needed to clear the mask completely.
4: Look up during the last exhalation to make the bottom of the mask
skirt the lowest point. - ✔✔✔ Correct Answer > Correct Answer:
Pull out slightly at the base of the mask to create a space for water to
exit.
Explanation:
Pulling out slightly at the base of the mask to 'create a space for water
to exit' may allow as much water to enter as exit. Instead, just push in
at the tops and sides.
The most accurate place to conduct a weight check is:
1: At the surface, at the beginning of the dive.
2: At the deepest point reached during the dive.
3: At safety-stop depth, at the end of the dive.
4: None of the above. - ✔✔✔ Correct Answer > Correct Answer:
At safety-stop depth, at the end of the dive.
Explanation:
The most accurate place to conduct a weight check is at safety-stop
depth, at the end of the dive.
