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SDI Open Water Scuba Diver Exam + Q's
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Scuba Midterm Scuba Diving SDI Open Water Scuba Diver Exam SDI Exa
61 terms 26 terms 75 terms 65 terms
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Terms in this set (144) Hide definitions
How big do Objects under water appear Objects appear 33% larger underwater.
How far away do objects appear underwater? Objects appear 25% closer.
How much faster does sound travel in water, compared 4 times
to air?
How fast does Water conduct heat away from your body 25 times faster than air does
As you descend what happens to colors and which colors fade, reds and oranges fade first, 30 meters seem blue and gray
colors?
At what water temp does your body need thermal < 86 degrees
protection
What does SCUBA mean self-contained underwater breathing apparatus
, When water stratifies itself into layers, according to Thermocline
temperature, the boundary between layers is known as
a(n):
1: Halocline.
2: Ichtyocline.
3: Thermodyne.
4: Thermocline.
What is the primary cause of waves? wind
Which of the following factors do we take into account Height, Length
when measuring waves?
Which of the following is incorrect? Waves are not hazardous to divers during shore dives
The consequences of becoming cold under water improved judgment and coordination
include the following except
Because sound travels faster under water: Its harder to determine the direction from which a sound is coming
Entering through surf requires special skills. These skills true
are often included in beginning scuba course taught in
areas in which surf entries are common
which of the following are true Surge is the back-and-forth movement of water caused by passing over head
Which of the following are true The sun warming water near the equator, coupled with the earth's rotation, is the
primary cause of permanent ocean currents
despite its apparent warmth, divers in warm waters still true
need to consider to wear protection
longshore currents always move in the same direction as false
prevailing offshore currents
a rip current is a narrow flow of swiftly moving water that false
runs parallel to shore
the trick to dealing with surge is to anticipate its action in true
order to avoid contact with stationary objects
SDI Open Water Scuba Diver Exam + Q's
9 studiers today Leave the first rating
Save
Students also studied
Flashcard sets Study guides
Scuba Midterm Scuba Diving SDI Open Water Scuba Diver Exam SDI Exa
61 terms 26 terms 75 terms 65 terms
molly_flagg Preview Katiegrace7 Preview Byrnes_Pearson1 Preview jess
Terms in this set (144) Hide definitions
How big do Objects under water appear Objects appear 33% larger underwater.
How far away do objects appear underwater? Objects appear 25% closer.
How much faster does sound travel in water, compared 4 times
to air?
How fast does Water conduct heat away from your body 25 times faster than air does
As you descend what happens to colors and which colors fade, reds and oranges fade first, 30 meters seem blue and gray
colors?
At what water temp does your body need thermal < 86 degrees
protection
What does SCUBA mean self-contained underwater breathing apparatus
, When water stratifies itself into layers, according to Thermocline
temperature, the boundary between layers is known as
a(n):
1: Halocline.
2: Ichtyocline.
3: Thermodyne.
4: Thermocline.
What is the primary cause of waves? wind
Which of the following factors do we take into account Height, Length
when measuring waves?
Which of the following is incorrect? Waves are not hazardous to divers during shore dives
The consequences of becoming cold under water improved judgment and coordination
include the following except
Because sound travels faster under water: Its harder to determine the direction from which a sound is coming
Entering through surf requires special skills. These skills true
are often included in beginning scuba course taught in
areas in which surf entries are common
which of the following are true Surge is the back-and-forth movement of water caused by passing over head
Which of the following are true The sun warming water near the equator, coupled with the earth's rotation, is the
primary cause of permanent ocean currents
despite its apparent warmth, divers in warm waters still true
need to consider to wear protection
longshore currents always move in the same direction as false
prevailing offshore currents
a rip current is a narrow flow of swiftly moving water that false
runs parallel to shore
the trick to dealing with surge is to anticipate its action in true
order to avoid contact with stationary objects
