SCUBA Certification Exam | Questions
and Verified Answers | Latest 2024/2025
The absolute pressure expressed in terms of atmospheres
absolute at 99 feet in salt water is:
- Correct Answer - 4 ATA
Proper equalization techniques must be learned in order to:
- Correct Answer - *Prevent ear pain
*prevent sinus squeeze
*prevent squeeze injuries
Underwater, the bending of light rays causes objects to appear to
be: - Correct Answer - closer
During normal diving activities, divers should never exceed an
ascent rate of __ feet per minute.
- Correct Answer - 30
,The three Basic Rules of Scuba stated in the proper order of
importance are:
- Correct Answer - Breathe continuously, ascend slowly and
maintain control, and never dive alone or beyond your level of
training (3 B's breath, bubbles, and buddy)
An object immersed in water will be buoyed upward by a force
______ the weight of the water it displaces.
- Correct Answer - equal to
A high pressure scuba cylinder should be stored:
- Correct Answer - secured and with a minimum of 500 to 750 psi
The most efficient breathing pattern for scuba diving is:
- Correct Answer - A deep balanced inhalation followed by a long
balance exhalation without any pauses between inhalation and
exhalation.
A scuba cylinder must be hydrostatically tested:
- Correct Answer - within fixed intervals set by local laws
, A scuba tank for recreational diving should be filled with:
- Correct Answer - pure, filtered compressed air or nitrox
The three primary features to look for in a quality Exposure
System are: - Correct Answer - Thickness, fit and seam integrity.
Which of the following Total Diving System subsystems best
describes the SCUBA unit?
- Correct Answer - the delivery system
The Information System components are:
- Correct Answer - Dive Computer, Analogue Instruments, if the
Dive Computer does not supply all necessary information and SSI
Total DiveLog
The Buoyancy Control System components are:
- Correct Answer - Buoyancy compensator, inflation device, and
weight belt or BC weight pockets
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