DIVEMASTER FINAL PRACTICE
EXAMINATION 2026 QUESTIONS WITH
ANSWERS GRADED A+
◍ I turn a glass upside down, trap the air in it by putting it in water, and then I
take the glass down to 10 m/33 ft. The air space would....
Answer: Become half the size it was at the surface
◍ I dive to 17 metres/56 feet for 47 minutes. After a 30-minute surface interval
I do a second dive to 17 metres/56 feet. Losing track of time, I notice my
bottom time is now 25 minutes. According to the General Rules, what
should I do?.
Answer: Ascend (go up) right away to 5 metres/15 feet and stay there for at
least 8 minutes before going to the surface, and not dive for six hours
◍ I make two dives in one day and am flying home on a commercial plane. I
should wait until my computer says I can fly or _____ hours, whichever is
longer.
Answer: 18
◍ 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
◍ 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
, ◍ If I think I have decompression sickness I should....
Answer: Breathe 100% Oxygen and contact emergency medical care
◍ Although it shouldn't have happened, on a dive I fail to watch my SPG and
run out of air. If my buddy is close by, my best option is to _____. Another
option is to _____, if I'm in shallow water and the surface is closer than my
buddy.
Answer: Ascend using my buddy's alternate air source/make a controlled
emergency swimming ascent
◍ If my cylinder of air lasts 60 minutes while I am at the surface breathing
normally, assuming all else is the same, how long will it last at 20 m/66 ft
breathing normally?.
Answer: 20 minutes
◍ 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
◍ The term No-decompression Limit is defined as:Maximum time at _____
without having to perform a ______ decompression stop during the _____.
Answer: depth, mandatory, ascent
◍ Gas can enter the bloodstream and cause serious damage to the lungs or
even death by:-A: ascending to fast -B: holding your breath underwater-C:
diving with respiratory congestion -D: all answers are correct.
Answer: D
◍ Refer to the regulator picture on the right. Each regulator part has a number
next to it. Please choose the correct numeric order from the choices below.
Answer: 1. Regulator first stage, 2. regulator second stage, 3. alternate air
source second stage, 4. low pressure inflator hose for the BCD, 5.
instrument console/gauges/computer
◍ When I look at things underwater they often seem _____ than they look on
EXAMINATION 2026 QUESTIONS WITH
ANSWERS GRADED A+
◍ I turn a glass upside down, trap the air in it by putting it in water, and then I
take the glass down to 10 m/33 ft. The air space would....
Answer: Become half the size it was at the surface
◍ I dive to 17 metres/56 feet for 47 minutes. After a 30-minute surface interval
I do a second dive to 17 metres/56 feet. Losing track of time, I notice my
bottom time is now 25 minutes. According to the General Rules, what
should I do?.
Answer: Ascend (go up) right away to 5 metres/15 feet and stay there for at
least 8 minutes before going to the surface, and not dive for six hours
◍ I make two dives in one day and am flying home on a commercial plane. I
should wait until my computer says I can fly or _____ hours, whichever is
longer.
Answer: 18
◍ 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
◍ 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
, ◍ If I think I have decompression sickness I should....
Answer: Breathe 100% Oxygen and contact emergency medical care
◍ Although it shouldn't have happened, on a dive I fail to watch my SPG and
run out of air. If my buddy is close by, my best option is to _____. Another
option is to _____, if I'm in shallow water and the surface is closer than my
buddy.
Answer: Ascend using my buddy's alternate air source/make a controlled
emergency swimming ascent
◍ If my cylinder of air lasts 60 minutes while I am at the surface breathing
normally, assuming all else is the same, how long will it last at 20 m/66 ft
breathing normally?.
Answer: 20 minutes
◍ 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
◍ The term No-decompression Limit is defined as:Maximum time at _____
without having to perform a ______ decompression stop during the _____.
Answer: depth, mandatory, ascent
◍ Gas can enter the bloodstream and cause serious damage to the lungs or
even death by:-A: ascending to fast -B: holding your breath underwater-C:
diving with respiratory congestion -D: all answers are correct.
Answer: D
◍ Refer to the regulator picture on the right. Each regulator part has a number
next to it. Please choose the correct numeric order from the choices below.
Answer: 1. Regulator first stage, 2. regulator second stage, 3. alternate air
source second stage, 4. low pressure inflator hose for the BCD, 5.
instrument console/gauges/computer
◍ When I look at things underwater they often seem _____ than they look on
