SSI Open Water Diver Final Exam 2022 Graded A+(Actual test 100% verified)
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SSI Open Water Diver
SSI Open Water Diver Final Exam 2022 Graded A+(Actual test 100% verified)
Which of the statements concerning sound transmission underwater is incorrect?
-A: Sound will travel farther underwater then in air
-B: Divers find it difficult to locate the direction of a sound producing source
-C: ...
ssi open water diver final exam 2022 graded aactual test 100 verified which of the statements concerning sound transmission underwater is incorrect a sound will travel farther underwater then
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SSI Open Water Diver Final Exam 2022 Graded A+(Actual
test 100% verified)
Which of the statements concerning sound transmission underwater is incorrect?
-A: Sound will travel farther underwater then in air
-B: Divers find it difficult to locate the direction of a sound producing source
-C: Divers find it easy to talk to each other directly through water
-D: Sound travels four times faster underwater than in air
C
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
The condition in which certain colors are diminished as depth increases is called:
-A: Refraction
-B: Turbidity
-C: Diffusion
-D: Absorption
D
Earplugs:
-A: Aid equalization of the middle of the ear
-B: Protect against cold
-C: Should never be worn while diving
-D: Protect ears from squeeze
C
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
D
Sinus squeeze can be prevented by:
-A: Valsalva technique
-B: Wearing earplugs
-C: Tilting the divers head back and forth
-D: Not diving with a cold
D
, The event that led to the use of the acronym SCUBA to describe diving was:
Development of what and when?
Demand regulator in 1943
Ear squeeze can be prevented by
-A: Relaxing
-B: All answers are correct
-C: Never diving with a cold
-D: rotating the jaw, swallowing or Valsalva
B
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
D
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
A
Body heat is lost at a rate of ___ than air.
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
D
Salt water weighs ___ pounds per cubic foot and freshwater weighs ___ pounds per
cubic foot.
64/62.5
Underwater, the bending of light rays causes objects to appear to be:
Closer
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
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