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
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: Absolu...
the absolute pressure expressed in terms of atmospheres absolute at 33 feet in sea water is
gauge pressure is defined as
the first symptom of a sinus
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SCUBA, SSI Open Water Diver
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SCUBA, SSI Open Water Diver Final
Exam
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
One of the primary factors contributing to heat loss for divers is:
-A: Absorption
-B: Convection
-C: Diffusion
-D: Refraction - Answer B: One of the primary factors contributing to heat loss for divers
is Convection
The Information System components are:
A: Dive Computer
B: Analogue Instruments
C: SSI DiveLog
D: All the above - Answer D: All of the above (Dive Computer, Analogue Instruments, &
SSI DiveLog)
The purpose of a BC is to: - Answer -Provide surface floatation
-Maintain neutral buoyancy during the dive
-Control ascent and descent rates
Under the SSI Equipment Service Program, your Delivery System should be serviced
and performance checked:
-A: every 3 years
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