2
Science of Diving Final, SCUBA, SSI Open Water Diver || || || || || || || || ||
Final Exam with precise detailed answers || || || || ||
What are the two dive flags - ✔✔Recreational Diving and Alpha Flag
|| || || || || || || || || || ||
1982 - ✔✔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 - ✔✔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? - ✔✔a. positive
|| || || || || || || ||
b. negative
||
c. neutral
||
AAUS - ✔✔American Academy of Underwater Sciences
|| || || || || ||
Gauge pressure is defined as: || || || ||
-A: Hydrostatic pressure minus 1 ata
|| || || || || ||
,2
-B: The pressure at the surface
|| || || || ||
-C: The depth reading on a gauge
|| || || || || || ||
-D: Absolute pressure minus 1 ata - ✔✔D: Gauge pressure is defined as Absolute pressure minus
|| || || || || || || || || || || || || || || ||
1 ata
||
What is purpose of first stage - ✔✔to reduce cylinder pressure to immediate pressure and keep
|| || || || || || || || || || || || || || || ||
that pressure as constant as possible
|| || || || ||
Define Scientific Diving - ✔✔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 - ✔✔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 - ✔✔D: a sharp pain above the eyes
|| || || || || || || || || || || || || ||
What is the relationship between increasing and decreasing depth and water pressure? - ✔✔With
|| || || || || || || || || || || || || ||
increasing depth the water pressure increases. || || || || || ||
With decreasing depth the water pressure decreases.
|| || || || || ||
If you experience pain in the ear during descent:
|| || || || || || || ||
,2
-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: Stop the descent and ascend
|| || || || || || || || || || || || || || || ||
till the pain stops.
|| || || ||
Body heat is lost at a rate of ___ than air. - ✔✔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? - ✔✔1975
|| || || || || || ||
The ultimate responsibility for safe diving procedures rests with the ... - ✔✔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 - ✔✔D
|| || || || || ||
At what depth does the greatest expension occur - ✔✔4 feet
|| || || || || || || || || ||
What are the absolute pressures, air volume, and air density in atmospheres, for:
|| || || || || || || || || || || || ||
a. 10m/33ft
||
b. 20m/66ft
||
b. 30m/99ft
||
c. 40m/132ft - ✔✔a. 2 bar/ata, 1/2, x 2
|| || || || || || || ||
b. 3 bar/ata, 1/3, x 3
|| || || || ||
, 2
c. 4 bar/ata, 1/4, x4
|| || || ||
d. 5 bar/ata, 1/5, x5
|| || || ||
In what year did OSHA exempt scientific diving from commercial diving regulations? - ✔✔1982
|| || || || || || || || || || || || ||
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 - ✔✔C: introduce additional air into body air spaces in
|| || || || || || || || || || || || || || || || || ||
response to increasing external pressure || || || ||
True or false: One of the requirements for meeting the scientific diving exemption to OSHA
|| || || || || || || || || || || || || || ||
commercial diving regulations is that the majority of members of an organization's Diving || || || || || || || || || || || || ||
Control Board must be active scientific divers - ✔✔True
|| || || || || || || ||
Who fought to obtain a scientific diving exemption in 1975 with a petition filed with OSHA -
|| || || || || || || || || || || || || || || || ||
✔✔United Brotherhood of Carpenters and Joiners of America || || || || || || ||
The three primary features to look for in a quality Exposure System are: - ✔✔Thickness, fit, &
|| || || || || || || || || || || || || || || || ||
seam integrity ||
Under what two conditions did OSHA exempt scientific diving from commercial diving
|| || || || || || || || || || || ||
regulations? - ✔✔Diving Safety Manual and Diving Control (Safety) Board || || || || || || || || ||
An object immersed in water will be buoyed upward by a force ______ to the weight of the water
|| || || || || || || || || || || || || || || || || || ||
it displaces. - ✔✔equal
|| || ||
Science of Diving Final, SCUBA, SSI Open Water Diver || || || || || || || || ||
Final Exam with precise detailed answers || || || || ||
What are the two dive flags - ✔✔Recreational Diving and Alpha Flag
|| || || || || || || || || || ||
1982 - ✔✔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 - ✔✔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? - ✔✔a. positive
|| || || || || || || ||
b. negative
||
c. neutral
||
AAUS - ✔✔American Academy of Underwater Sciences
|| || || || || ||
Gauge pressure is defined as: || || || ||
-A: Hydrostatic pressure minus 1 ata
|| || || || || ||
,2
-B: The pressure at the surface
|| || || || ||
-C: The depth reading on a gauge
|| || || || || || ||
-D: Absolute pressure minus 1 ata - ✔✔D: Gauge pressure is defined as Absolute pressure minus
|| || || || || || || || || || || || || || || ||
1 ata
||
What is purpose of first stage - ✔✔to reduce cylinder pressure to immediate pressure and keep
|| || || || || || || || || || || || || || || ||
that pressure as constant as possible
|| || || || ||
Define Scientific Diving - ✔✔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 - ✔✔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 - ✔✔D: a sharp pain above the eyes
|| || || || || || || || || || || || || ||
What is the relationship between increasing and decreasing depth and water pressure? - ✔✔With
|| || || || || || || || || || || || || ||
increasing depth the water pressure increases. || || || || || ||
With decreasing depth the water pressure decreases.
|| || || || || ||
If you experience pain in the ear during descent:
|| || || || || || || ||
,2
-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: Stop the descent and ascend
|| || || || || || || || || || || || || || || ||
till the pain stops.
|| || || ||
Body heat is lost at a rate of ___ than air. - ✔✔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? - ✔✔1975
|| || || || || || ||
The ultimate responsibility for safe diving procedures rests with the ... - ✔✔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 - ✔✔D
|| || || || || ||
At what depth does the greatest expension occur - ✔✔4 feet
|| || || || || || || || || ||
What are the absolute pressures, air volume, and air density in atmospheres, for:
|| || || || || || || || || || || || ||
a. 10m/33ft
||
b. 20m/66ft
||
b. 30m/99ft
||
c. 40m/132ft - ✔✔a. 2 bar/ata, 1/2, x 2
|| || || || || || || ||
b. 3 bar/ata, 1/3, x 3
|| || || || ||
, 2
c. 4 bar/ata, 1/4, x4
|| || || ||
d. 5 bar/ata, 1/5, x5
|| || || ||
In what year did OSHA exempt scientific diving from commercial diving regulations? - ✔✔1982
|| || || || || || || || || || || || ||
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 - ✔✔C: introduce additional air into body air spaces in
|| || || || || || || || || || || || || || || || || ||
response to increasing external pressure || || || ||
True or false: One of the requirements for meeting the scientific diving exemption to OSHA
|| || || || || || || || || || || || || || ||
commercial diving regulations is that the majority of members of an organization's Diving || || || || || || || || || || || || ||
Control Board must be active scientific divers - ✔✔True
|| || || || || || || ||
Who fought to obtain a scientific diving exemption in 1975 with a petition filed with OSHA -
|| || || || || || || || || || || || || || || || ||
✔✔United Brotherhood of Carpenters and Joiners of America || || || || || || ||
The three primary features to look for in a quality Exposure System are: - ✔✔Thickness, fit, &
|| || || || || || || || || || || || || || || || ||
seam integrity ||
Under what two conditions did OSHA exempt scientific diving from commercial diving
|| || || || || || || || || || || ||
regulations? - ✔✔Diving Safety Manual and Diving Control (Safety) Board || || || || || || || || ||
An object immersed in water will be buoyed upward by a force ______ to the weight of the water
|| || || || || || || || || || || || || || || || || || ||
it displaces. - ✔✔equal
|| || ||
