SSI Final Exam, SSI Open Water Diver Final Exam, SCUBA Dive SSI
Final Test, SSI Open Water Final Exam Complete Questions and
Guide Answers, 100% Verified Graded A+
1. The event that led to the use of the acronym SCUBA to describe diving was:
A. Post-WWII equipment refinements
B. The invention of the diving helmet in circa 1800
C. The development of the demand regulator in 1943
D. The development of air pumps in the 19th century
Answer: C. The development of the demand regulator in 1943
2. Absolute pressure is defined as:
A. The pressure at the surface plus 1 ata
B. The weight of the water that surrounds the diver
C. The total pressure exerted on an object
,D. All answers are correct
Answer: C. The total pressure exerted on an object
3. Gauge pressure is defined as:
A. The depth reading on a gauge
B. The pressure at the surface
C. Hydrostatic pressure minus 1 ata
D. Absolute pressure minus 1 ata
Answer: D. Absolute pressure minus 1 ata
4. One atmosphere of pressure is defined as:
A. 1 ata
B. Each 33 feet of depth in sea water
C. Each 34 feet of depth in freshwater
D. All answers are correct
Answer: D. All answers are correct
5. The greatest relative pressure change in seawater takes place between
,and feet.
A. 0/33
B. 33/66
C. 66/99
D. 99/132
Answer: A. 0/33
6. If you experience pain in the ear during descent:
A. Continue the descent while gently exhaling into the mask
B. Stop the descent and ascend until the pain stops
C. Abort the dive
D. Place a finger in the ear canal and gently massage the ear until the pain ceases
Answer: B. Stop the descent and ascend until the pain stops
7. Underwater, the bending of light rays causes objects to appear to be .
A. Closer
, B. Farther away
C. The same as the surface
D. At an angle consistent with the bend of light
Answer: A. Closer
8. Body heat is lost underwater at a rate of than in air.
A. 10 times slower
B. 50 times faster
C. 25 to 30 times faster
D. same
Answer: C. 25 to 30 times faster
9. A high pressure scuba cylinder should be stored:
A. Lying flat with no air
B. With the valve slightly open to allow air expansion
C. Secured with a minimum of 500 to 750 psi
D. Secured with the valve open
Final Test, SSI Open Water Final Exam Complete Questions and
Guide Answers, 100% Verified Graded A+
1. The event that led to the use of the acronym SCUBA to describe diving was:
A. Post-WWII equipment refinements
B. The invention of the diving helmet in circa 1800
C. The development of the demand regulator in 1943
D. The development of air pumps in the 19th century
Answer: C. The development of the demand regulator in 1943
2. Absolute pressure is defined as:
A. The pressure at the surface plus 1 ata
B. The weight of the water that surrounds the diver
C. The total pressure exerted on an object
,D. All answers are correct
Answer: C. The total pressure exerted on an object
3. Gauge pressure is defined as:
A. The depth reading on a gauge
B. The pressure at the surface
C. Hydrostatic pressure minus 1 ata
D. Absolute pressure minus 1 ata
Answer: D. Absolute pressure minus 1 ata
4. One atmosphere of pressure is defined as:
A. 1 ata
B. Each 33 feet of depth in sea water
C. Each 34 feet of depth in freshwater
D. All answers are correct
Answer: D. All answers are correct
5. The greatest relative pressure change in seawater takes place between
,and feet.
A. 0/33
B. 33/66
C. 66/99
D. 99/132
Answer: A. 0/33
6. If you experience pain in the ear during descent:
A. Continue the descent while gently exhaling into the mask
B. Stop the descent and ascend until the pain stops
C. Abort the dive
D. Place a finger in the ear canal and gently massage the ear until the pain ceases
Answer: B. Stop the descent and ascend until the pain stops
7. Underwater, the bending of light rays causes objects to appear to be .
A. Closer
, B. Farther away
C. The same as the surface
D. At an angle consistent with the bend of light
Answer: A. Closer
8. Body heat is lost underwater at a rate of than in air.
A. 10 times slower
B. 50 times faster
C. 25 to 30 times faster
D. same
Answer: C. 25 to 30 times faster
9. A high pressure scuba cylinder should be stored:
A. Lying flat with no air
B. With the valve slightly open to allow air expansion
C. Secured with a minimum of 500 to 750 psi
D. Secured with the valve open
