SCUBA, SSI Open Water Diver Final Exam | 2025 LATEST
UPDATED| COMPLETE QUESTIONS AND ANSWERS | 100%
RATED CORRECT | 100% VERFIED | ALREADY GRADED
A+|GET 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:
-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 - (answer)A: A high pressure scuba cylinder
should be stored secured with a minimum of 500 to 750 psi
UPDATED| COMPLETE QUESTIONS AND ANSWERS | 100%
RATED CORRECT | 100% VERFIED | ALREADY GRADED
A+|GET 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:
-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 - (answer)A: A high pressure scuba cylinder
should be stored secured with a minimum of 500 to 750 psi
