SSI SCIENCE OF DIVING CERTIFICATION 2026/2027 – FULL
STUDY GUIDE WITH QUESTIONS ANSWERS RATED A+
◎ A dive computer keeps track of a diver's nitrogen absorption levels so that the diver
can. ANSWER: -stay within the no-decompression limits on each dive
◎ If you lose contact with your buddy, you should. ANSWER: -Search for no more than
a minute by turning 360 degrees and looking up and down and then perform a normal
ascent to the surface
◎ When entering the water through the surf, dive buddy teams should. ANSWER: -
maintain physical contact and time entry to coincide with the lull between wave sets
◎ The most important reason for planning your dives and executing the dive per your
plan is to. ANSWER: -prevent accidents
◎ Which of the following steps should be taken in the selection of a dive site.
ANSWER: -Purpose of the dive, degree of difficulty presented by the site, honest
evaluation of your diving abilities and conditioning levels, as well as those of your
buddy.
◎ You should perform a safety stop at 15 ft for 3-5 mins on every dive. ANSWER: -true
◎ The term No-decompression Limit is defined as. ANSWER: -the max allowed time at
depth without having to perform a mandatory decompression stop during the ascent
◎ The term surface interval is defined as. ANSWER: -the amount of time the diver
stays out of the water or on the surface between dives
◎ rip currents are formed by. ANSWER: -water breaks over sand bars and reefs near
the beach and recedes through channels or cuts in the bars and reefs
◎ use of the SSI Total Dive Log is important because. ANSWER: -it contains your
medical history and provides important emergency information, it is an important
information resource for future dives, it keeps an accurate record of your personal
information and dives
◎ Residual nitrogen is defined as. ANSWER: -the amount of excessive nitrogen
dissolved in our blood stream and tissues after a dive
◎ to use a compass to navigate to a sighted object. ANSWER: -Point the compass
toward the object, rotate the bezel until the witness marks are over the magnetic needle
and follow the lubber line.
STUDY GUIDE WITH QUESTIONS ANSWERS RATED A+
◎ A dive computer keeps track of a diver's nitrogen absorption levels so that the diver
can. ANSWER: -stay within the no-decompression limits on each dive
◎ If you lose contact with your buddy, you should. ANSWER: -Search for no more than
a minute by turning 360 degrees and looking up and down and then perform a normal
ascent to the surface
◎ When entering the water through the surf, dive buddy teams should. ANSWER: -
maintain physical contact and time entry to coincide with the lull between wave sets
◎ The most important reason for planning your dives and executing the dive per your
plan is to. ANSWER: -prevent accidents
◎ Which of the following steps should be taken in the selection of a dive site.
ANSWER: -Purpose of the dive, degree of difficulty presented by the site, honest
evaluation of your diving abilities and conditioning levels, as well as those of your
buddy.
◎ You should perform a safety stop at 15 ft for 3-5 mins on every dive. ANSWER: -true
◎ The term No-decompression Limit is defined as. ANSWER: -the max allowed time at
depth without having to perform a mandatory decompression stop during the ascent
◎ The term surface interval is defined as. ANSWER: -the amount of time the diver
stays out of the water or on the surface between dives
◎ rip currents are formed by. ANSWER: -water breaks over sand bars and reefs near
the beach and recedes through channels or cuts in the bars and reefs
◎ use of the SSI Total Dive Log is important because. ANSWER: -it contains your
medical history and provides important emergency information, it is an important
information resource for future dives, it keeps an accurate record of your personal
information and dives
◎ Residual nitrogen is defined as. ANSWER: -the amount of excessive nitrogen
dissolved in our blood stream and tissues after a dive
◎ to use a compass to navigate to a sighted object. ANSWER: -Point the compass
toward the object, rotate the bezel until the witness marks are over the magnetic needle
and follow the lubber line.
