SSI Open Water Diver Final Exam
SSI OPEN WATER DIVER FINAL EXAM NEWEST 2025/2026 COMPLETE
ALL 100 QUESTIONS AND CORRECT DETAILED ANSWERS |ALREADY
GRADED A+||ALREADY GRADED A+
One of the primary factors contributing to heat loss for divers is:
-A: Absorption
-B: Convection
-C: Diffusion
-D: Refraction - ANSWER-B
The Information System components are:
A: Dive Computer
B: Analogue Instruments
C: SSI DiveLog
D: All the above - ANSWER-D
The purpose of a BC is to:
-A: Provide surface floatation
-B: Maintain neutral buoyancy during the dive
-C: Control ascent and descent rates
-D: all answers are correct - ANSWER-D
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, SSI Open Water Diver Final Exam
Which of the following Total Diving System subsystems best describes the SCUBA?
-A: Delivery system
-B: Buoyancy system
-C: Information system
-D: Snorkeling system - ANSWER-A
Under the SSI Equipment Service Program, your Delivery System should be
serviced and performance checked:
-A: every 3 years
-B: every 5 years
-C: every month
-D: every year - ANSWER-D
Assuming a consistent air consumption rate, diving at a pressure of 4 ata will use
__ as much air as diving at 2 ata. - ANSWER-2 times
During normal diving activities, divers should never exceed an ascent rate of __
feet per minute. - ANSWER-30
A scuba tank for recreational diving should be filled with:
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, SSI Open Water Diver Final Exam
-A: A mixture of helium and oxygen
-B: Pure, filtered compressed air or Nitrox
-C: A mixture of hydrogen and oxygen
-D: pure oxygen - ANSWER-B
The rate at which the body becomes saturated with nitrogen:
-A: will vary based on factors, such as depth and blood supply to a particular area
of the body
-B: is always the same rate
-C: is slower at the beginning of the process and faster at the end of the process
-D: is faster t the beginning of the process and slower at the end of the process -
ANSWER-A
Haldanes theory that the human body can withstand a 2:1 pressure difference
was revised by D Workman to a nitrogen ratio of:
-A: 3:1
-B: 1:1
-C: 5:1
-D: 1.58:1 - ANSWER-D
If a flexible air-filled container at 100 feet of sea water has a volume of 10 cu ft,
what would be the volume if it were transported to the surface?
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, SSI Open Water Diver Final Exam
-A: 20 cu ft
-B: 15 cu ft
-C: 40 cu ft
-D: 30 cu ft - ANSWER-C
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 - ANSWER-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 - ANSWER-A
The condition in which certain colors are diminished as depth increases is called:
-A: Refraction
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SSI OPEN WATER DIVER FINAL EXAM NEWEST 2025/2026 COMPLETE
ALL 100 QUESTIONS AND CORRECT DETAILED ANSWERS |ALREADY
GRADED A+||ALREADY GRADED A+
One of the primary factors contributing to heat loss for divers is:
-A: Absorption
-B: Convection
-C: Diffusion
-D: Refraction - ANSWER-B
The Information System components are:
A: Dive Computer
B: Analogue Instruments
C: SSI DiveLog
D: All the above - ANSWER-D
The purpose of a BC is to:
-A: Provide surface floatation
-B: Maintain neutral buoyancy during the dive
-C: Control ascent and descent rates
-D: all answers are correct - ANSWER-D
1|Page
, SSI Open Water Diver Final Exam
Which of the following Total Diving System subsystems best describes the SCUBA?
-A: Delivery system
-B: Buoyancy system
-C: Information system
-D: Snorkeling system - ANSWER-A
Under the SSI Equipment Service Program, your Delivery System should be
serviced and performance checked:
-A: every 3 years
-B: every 5 years
-C: every month
-D: every year - ANSWER-D
Assuming a consistent air consumption rate, diving at a pressure of 4 ata will use
__ as much air as diving at 2 ata. - ANSWER-2 times
During normal diving activities, divers should never exceed an ascent rate of __
feet per minute. - ANSWER-30
A scuba tank for recreational diving should be filled with:
2|Page
, SSI Open Water Diver Final Exam
-A: A mixture of helium and oxygen
-B: Pure, filtered compressed air or Nitrox
-C: A mixture of hydrogen and oxygen
-D: pure oxygen - ANSWER-B
The rate at which the body becomes saturated with nitrogen:
-A: will vary based on factors, such as depth and blood supply to a particular area
of the body
-B: is always the same rate
-C: is slower at the beginning of the process and faster at the end of the process
-D: is faster t the beginning of the process and slower at the end of the process -
ANSWER-A
Haldanes theory that the human body can withstand a 2:1 pressure difference
was revised by D Workman to a nitrogen ratio of:
-A: 3:1
-B: 1:1
-C: 5:1
-D: 1.58:1 - ANSWER-D
If a flexible air-filled container at 100 feet of sea water has a volume of 10 cu ft,
what would be the volume if it were transported to the surface?
3|Page
, SSI Open Water Diver Final Exam
-A: 20 cu ft
-B: 15 cu ft
-C: 40 cu ft
-D: 30 cu ft - ANSWER-C
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 - ANSWER-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 - ANSWER-A
The condition in which certain colors are diminished as depth increases is called:
-A: Refraction
4|Page
