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Navigation Specialty
There are 20 questions in total.
You must answer at least 16 questions correctly to pass.
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Email
*
Your email
Name
[e.g. John Smith]
*
Your answer
Country
[e.g. Japan]
*
Your answer
Navigation is the technique of determining your position underwater and on the surface and <>.
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1 point
conducting appropriate searches.
to help those involved in an accident.
moving in the appropriate direction.
investigate underwater life.
The geology changes from <> toward the coast.
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1 point
"Sand"to "Big rock"to"Stone"
"Stone" to "Sand" to "Big rock"
"Big rock" to "Sand" to "Stone"
"Stone" to"Big rock" to"Sand"
Ripple marks can be made <>.
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1 point
parallel to the coast
parallel to wind direction
perpendicular to the coast.
perpendicular to wind direction
Unless the terrain is complex, <>
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the shallower the water, the closer to shore.
the deeper water, the closer to shore.
the shallower the water, the further away from shore
the shallower the location, the more parallel to the shore.
The number that a magnetic needle points to indicates the compass direction
<>.
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1 point
indicated by the index mark
indicated by the rubber line
of sunset
of sunrise
When moving underwater, don't just look at the compass, <>.
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1 point
move forward while looking at the next target point
move forward while imagineing a bright future
move forward while pursuing high ideals
move forward while regretting your past mistakes
Navigation that uses a compass is called <>.
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1 point
natural navigation
compass navigation
analog navigation
AI navigation
Hold the compass parallel to the ground or water, at the center of your body, <>.
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1 point
at your chest.
belly button
foot
overhead
Make sure the magnetic needle is in the same position as <>, and swim <> in the direction of the rubber line to move in the direction you want.
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1 point
the Index mark / vertically
the rubber line / vertically
the Index mark / straight
the rubber line / straight
If you become disoriented underwater, <>.
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1 point
assent to the surface
swim with sixth sense
ask the fish for direction
wait for the Japan Coast Guard's water rescue team on the ocean floor
When moving to the surface, <>.
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1 point
avoid areas where you can see other divers on the surface of the water.
avoid areas where the diving flag can be seen on the surface of the water.
avoid places where you can see waves on the water surface that are different from other water surfaces on the movement course.
avoid places where you can see the same waves on the water surface as other water surfaces on the movement course.
Navigation that uses natural terrain and the locations of living things as landmarks is called <>.
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1 point
compass navigation
natural navigation
AI navigation
digital navigation
Accurate navigation is possible by using compass navigation with <>.
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1 point
good performance compass
natural navigation
communication with fish
sixth sense
Diving equipment that cannot estimate travel distance is
<>.
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1 point
a diver's watch
a residual pressure gauge
a compass
fins
Set <> in the direction you want to go.
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1 point
the compass direction
the bezel with index marks
the magnetic needle
the rubber line
<> always points to north.
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1 point
A compass direction
A bezel with index marks
A magnetic needle
A rubber line
A diver can rotate <> part of the compass.
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1 point
a compass direction
a bezel with index marks
a magnetic needle
a rubber line
<> in the direction you are moving is the number that the magnetic needle is pointing to.
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1 point
The compass direction
The bezel with index marks
The magnetic needle
The rubber line
<> is the technique required to enjoy diving while enjoying the underwater world.
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1 point
Compass navigation
Natural navigation
Analog navigation
Digital navigation
The method of determining the approximate <> based on the topography of the coastline as seen from the sea is called
"Mountain navigation"
.
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1 point
underwater terrain
elapsed time
water surface position
underwater life
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