SDI Open Water Scuba Diver Exam Latest
Update 2024-2025 Questions and 100% Verified
Correct Answers Actual Exam Guaranteed A+
A mask must cover the nose:
A. To prevent water from entering.
B. To ensure the best possible fit.
C. So that you can keep the pressure inside the mask equal to the pressure outside.
D. Both the first and second answers are correct. - CORRECT ANSWER: Both first and
second answers
A regulator equipped with a conventional alternate-air-source second stage: -
CORRECT ANSWER: Most widely used and readily understood type of alternative air
source, Allows the donor to give either second stage to an out of air diver
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. - CORRECT ANSWER: All the above
a rip current is a narrow flow of swiftly moving water that runs parallel to shore -
CORRECT ANSWER: false
a scuba cylinder that normally lasts one hour at the surface will last ___ minutes at 20
meters - CORRECT ANSWER: 20
Activities that may increase the risk of decompression sickness - CORRECT ANSWER:
Training and experience
, all of the following steps can you take to avoid scrapes and abrasions, except: -
CORRECT ANSWER: wear minimal exposure protection
Always dive within the limits of your:
A. Training.
B. Equipment.
C. Experience.
D. All of the above. - CORRECT ANSWER: D
always stay within your level of experience. As an open water diver you should not
venture in overhead environment such as a cave - CORRECT ANSWER: true
among the best ways to prevent decompression sickness - CORRECT ANSWER:
remain within dive computer no-decompression limit, ascend no faster than rate
allowed, make safety stops: all the above
Among the key points in doing a flutter kick:
A. Keep your knees as straight as possible.
B. Emulate the leg movements you make when pedaling a bicycle.
C. Key your toes pointed.
D. Both the first and third answers are correct. - CORRECT ANSWER: A
Among the key points in using your BC to help maintain neutral buoyancy under water:
A. Add or remove air to or from your BC only in large bursts, until you develop a more
intuitive feel for the process.
B. To be successful in maintaining neutral buoyancy, you must be: aware of changes in
depth,
and, anticipate the need to add or vent air from your BC by keeping a hand on the
inflator.
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