SSI OPEN WATER DIVER FINAL ACTUAL
TEST PAPER QUESTIONS AND CORRECT
ANSWERS COMPLETE SOLUTION
●● 1982
Answer: When did OSHA exempt scientific diving from commercial
diving
●● 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
●● What will the buoyancy of an object be (positive, neutral, or
negative) if it displaces an amount of water:
a. more than its own weight?
b. less than its own weight?
c. equal to its own weight?
Answer: a. positive
,b. negative
c. neutral
●● AAUS
Answer: American Academy of Underwater Sciences
●● 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
●● What is purpose of first stage
Answer: to reduce cylinder pressure to immediate pressure and keep that
pressure as constant as possible
●● Define Scientific Diving
Answer: Diving performed solely as a necessary part of a scientific,
research, or educational activity by employees whose sole purpose for
diving is to perform scientific research tasks
,●● When does squeeze in the ear occur
Answer: When the presure outside the ear is greater than the pressure
inside the ear
●● 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
●● What is the relationship between increasing and decreasing depth
and water pressure?
Answer: With increasing depth the water pressure increases.
With decreasing depth the water pressure decreases.
●● 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
●● What year was the petition by United Brotherhood Carpenters and
Joiners of America AFL-CIO with respect to diving operations filed?
Answer: 1975
●● The ultimate responsibility for safe diving procedures rests with the
...
Answer: individual diver
●● 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
TEST PAPER QUESTIONS AND CORRECT
ANSWERS COMPLETE SOLUTION
●● 1982
Answer: When did OSHA exempt scientific diving from commercial
diving
●● 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
●● What will the buoyancy of an object be (positive, neutral, or
negative) if it displaces an amount of water:
a. more than its own weight?
b. less than its own weight?
c. equal to its own weight?
Answer: a. positive
,b. negative
c. neutral
●● AAUS
Answer: American Academy of Underwater Sciences
●● 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
●● What is purpose of first stage
Answer: to reduce cylinder pressure to immediate pressure and keep that
pressure as constant as possible
●● Define Scientific Diving
Answer: Diving performed solely as a necessary part of a scientific,
research, or educational activity by employees whose sole purpose for
diving is to perform scientific research tasks
,●● When does squeeze in the ear occur
Answer: When the presure outside the ear is greater than the pressure
inside the ear
●● 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
●● What is the relationship between increasing and decreasing depth
and water pressure?
Answer: With increasing depth the water pressure increases.
With decreasing depth the water pressure decreases.
●● 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
●● What year was the petition by United Brotherhood Carpenters and
Joiners of America AFL-CIO with respect to diving operations filed?
Answer: 1975
●● The ultimate responsibility for safe diving procedures rests with the
...
Answer: individual diver
●● 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
