SCUBA, SSI Open Water Diver Final Exam Questions With Complete Solutions The absolute pressure expressed in terms of atmospheres
absolute at 33 feet in sea water is:
-A: 2 ata
-B:1 ata
-C: 4 ata
-D: 3 ata - Correct Answers ✅A: 2 ata
Gauge pressure is defined as:
-A: Hydrostatic pressure minus 1 ata
-B: The pressure at the surface
-C: The depth reading on a gauge
-D: Absolute pressure minus 1 ata - Correct Answers ✅D: Gauge pressure is defined as Absolute pressure minus 1 ata
The first symptom of a sinus squeeze is usually:
-A: a dull pain deep within the head
-B: a sharp pain at the base of the neck
-C: a crushing pain high in the chest
-D: a sharp pain above the eyes - Correct Answers ✅D: a sharp pain above the eyes 1 / 3
SCUBA, SSI Open Water Diver Final Exam Questions With Complete Solutions
If you experience pain in the ear during descent:
-A: Stop the descent and ascend till the pain stops
-B: abort the dive
-C: place a finger in the ear canal and gently massage the ear
until the pain ceases
-D: continue the descent while gently exhaling into the mask
- Correct Answers ✅A: Stop the descent and ascend till the
pain stops.Body heat is lost at a rate of ___ than air. - Correct Answers ✅25-30 times faster
Proper equalization techniques must be learned in order to:
-A: prevent sinus squeeze
-B: prevent ear pain
-C: prevent squeeze injuries
-D: all answers are correct - Correct Answers ✅D
The purpose of equalization is to:
-A: ensure the uneven application of pressure between the
water and air spaces in the body 2 / 3
SCUBA, SSI Open Water Diver Final Exam Questions With Complete Solutions
-B: prevent water from entering air spaces in the body
-C: introduce additional air into body air spaces in response to
increasing external pressure
-D: remove all fluids from body air spaces - Correct Answers
✅C: introduce additional air into body air spaces in response
to increasing external pressure The three primary features to look for in a quality Exposure
System are: - Correct Answers ✅Thickness, fit, & seam
integrity An object immersed in water will be buoyed upward by a force ______ to the weight of the water it displaces. - Correct Answers ✅equal
A high pressure scuba cylinder should be stored:
-A: secured with a minimum of 500 to 750 psi
-B: lying flat with no air
-C: with the valve slightly open to allow air expansion
-D: secured with the valve open - Correct Answers ✅A: A high pressure scuba cylinder should be stored secured with a minimum of 500 to 750 psi
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