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SDI DIVEMASTER EXAM ACTUAL EXAM QUESTIONS
AND CORRECT ANSWERS (VERIFIED) | LATEST
UPDATE 2026/2027 | GRADED A+ | 100% GUARANTEED
PASS.
Recreational
Commercial
Scientific
Military - ✔✔✔ Correct Answer > Categories of diving
Recreational Diving - ✔✔✔ Correct Answer > Hobby-type activity in
which participation is based upon personal enjoyment
Emile Gagnan and Jacques-Yves Cousteau - ✔✔✔ Correct Answer >
Inventors of modern scuba
Scuba - ✔✔✔ Correct Answer > Self-contained underwater breathing
apparatus
1943 - ✔✔✔ Correct Answer > Year scuba was invented
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Los Angeles County - ✔✔✔ Correct Answer > First civilian diver
training in the USA
Sport Diving - ✔✔✔ Correct Answer > Dives less than 130 FSW on an
open circuit scuba with a single cylinder. Divers do not dive in
overhead environments or past their no-decompression limits.
International Training (ITI) - ✔✔✔ Correct Answer > Parent
organization for Scuba Diving International (SDI), Technical Diving
International (TDI), and Emergency Response Diving International
(ERDI).
Technical Diving International (TDI) - ✔✔✔ Correct Answer > Formed in
1994 by the early nitrox pioneers to provide recreational divers
with the most accurate and up to date information on diving tools
and techniques.
Scuba Diving International (SDI) - ✔✔✔ Correct Answer > Formed in
1998 from requests from TDI instructors and TDI dive centers
who were anxious to see the same type of clear, practical, and
no-nonsense approach introduced to the sport diving arena. It
was the first agency to mandate the use of personal dive
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computers during all confined water and open water training. It
was the first agency to offer a certification program for 10 year
old divers. It was the first agency to offer on-line academics for
the Open Water Diver course. And it was the first agency to offer
a Solo Diver certification.
Technical Diving - ✔✔✔ Correct Answer > Dives greater than the
recreational limit of 130 FSW that require special training and
equipment. This may also include decompression diving,
alternating breathing gasses, or penetration into wrecks/caves.
Nitrox - ✔✔✔ Correct Answer > Nitrogen and oxygen mixture with
higher percentage of oxygen than air. Reduces the effects of
nitrogen at depth.
Emergency Response Diving International (ERDI) - ✔✔✔ Correct
Answer > Formed in 2000 to provide highly specialized training for
police, fire service, and other public safety personnel, addressing
search and rescue techniques in various and sometimes
hazardous underwater environments, for both divers and dive
tenders.
SDI DIVEMASTER EXAM ACTUAL EXAM QUESTIONS
AND CORRECT ANSWERS (VERIFIED) | LATEST
UPDATE 2026/2027 | GRADED A+ | 100% GUARANTEED
PASS.
Recreational
Commercial
Scientific
Military - ✔✔✔ Correct Answer > Categories of diving
Recreational Diving - ✔✔✔ Correct Answer > Hobby-type activity in
which participation is based upon personal enjoyment
Emile Gagnan and Jacques-Yves Cousteau - ✔✔✔ Correct Answer >
Inventors of modern scuba
Scuba - ✔✔✔ Correct Answer > Self-contained underwater breathing
apparatus
1943 - ✔✔✔ Correct Answer > Year scuba was invented
,2 | Page
Los Angeles County - ✔✔✔ Correct Answer > First civilian diver
training in the USA
Sport Diving - ✔✔✔ Correct Answer > Dives less than 130 FSW on an
open circuit scuba with a single cylinder. Divers do not dive in
overhead environments or past their no-decompression limits.
International Training (ITI) - ✔✔✔ Correct Answer > Parent
organization for Scuba Diving International (SDI), Technical Diving
International (TDI), and Emergency Response Diving International
(ERDI).
Technical Diving International (TDI) - ✔✔✔ Correct Answer > Formed in
1994 by the early nitrox pioneers to provide recreational divers
with the most accurate and up to date information on diving tools
and techniques.
Scuba Diving International (SDI) - ✔✔✔ Correct Answer > Formed in
1998 from requests from TDI instructors and TDI dive centers
who were anxious to see the same type of clear, practical, and
no-nonsense approach introduced to the sport diving arena. It
was the first agency to mandate the use of personal dive
, 3 | Page
computers during all confined water and open water training. It
was the first agency to offer a certification program for 10 year
old divers. It was the first agency to offer on-line academics for
the Open Water Diver course. And it was the first agency to offer
a Solo Diver certification.
Technical Diving - ✔✔✔ Correct Answer > Dives greater than the
recreational limit of 130 FSW that require special training and
equipment. This may also include decompression diving,
alternating breathing gasses, or penetration into wrecks/caves.
Nitrox - ✔✔✔ Correct Answer > Nitrogen and oxygen mixture with
higher percentage of oxygen than air. Reduces the effects of
nitrogen at depth.
Emergency Response Diving International (ERDI) - ✔✔✔ Correct
Answer > Formed in 2000 to provide highly specialized training for
police, fire service, and other public safety personnel, addressing
search and rescue techniques in various and sometimes
hazardous underwater environments, for both divers and dive
tenders.
