2025|SCUBA, SSI Open Water Diver Final Exam
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Already graded A+
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 - ANSWER-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 - ANSWER-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 - ANSWER-D: a sharp pain
above the eyes
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 -
ANSWER-A: Stop the descent and ascend till the pain stops.
Body heat is lost at a rate of ___ than air. - ANSWER-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 - ANSWER-D
The purpose of equalization is to:
-A: ensure the uneven application of pressure between the water
and air spaces in the body
-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 - ANSWER-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: - ANSWER-Thickness, fit, & seam integrity
An object immersed in water will be buoyed upward by a force
______ to the weight of the water it displaces. - ANSWER-equal
A high pressure scuba cylinder should be stored:
|Comprehensive questions and verified
answers/accurate solutions|Get it 100% correct!!
Already graded A+
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 - ANSWER-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 - ANSWER-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 - ANSWER-D: a sharp pain
above the eyes
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 -
ANSWER-A: Stop the descent and ascend till the pain stops.
Body heat is lost at a rate of ___ than air. - ANSWER-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 - ANSWER-D
The purpose of equalization is to:
-A: ensure the uneven application of pressure between the water
and air spaces in the body
-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 - ANSWER-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: - ANSWER-Thickness, fit, & seam integrity
An object immersed in water will be buoyed upward by a force
______ to the weight of the water it displaces. - ANSWER-equal
A high pressure scuba cylinder should be stored:
