Pregunta 1
Pregunta
If you travel 66ft below the surface, the pressure will equal ____________________________________________ .
Respuesta
-
1 atmosphere
-
2 atmospheres
-
3 atmospheres
-
4 atmospheres
Pregunta 2
Pregunta
You take a fully inflated beach ball to 99 ft below the surface. The beach ball will appear to be
Respuesta
-
the same size.
-
1/2 the size.
-
1/3 the size.
-
1/4 the size.
Pregunta 3
Pregunta
You take a fully inflated beach ball to 99 ft below the surface. The beach ball will appear to be
Respuesta
-
the same size.
-
1/2 the size.
-
1/3 the size.
-
1/4 the size.
Pregunta 4
Pregunta
You take a fully inflated beach ball to 99 ft below the surface. The beach ball will appear to be
Respuesta
-
the same size.
-
1/2 the size.
-
1/3 the size.
-
1/4 the size.
Pregunta 5
Pregunta
If you take a flexable container with 24 liters of air on the surface to a depth of 33 ft , the volume of the air will now be
Respuesta
-
12 liters.
-
8 liters.
-
6 liters.
-
4 liters.
Pregunta 6
Pregunta
Select the air spaces that are affected by pressure when diving.
Respuesta
-
mask
-
heart
-
lungs
-
ears
-
sinuses
Pregunta 7
Pregunta
A squeeze is a pressure related injury that occurs when the pressure inside of an air space is greater than the outside pressure.
Pregunta 8
Pregunta
Check the steps you should attempt if you can not equalize.
Respuesta
-
Descend quickly until the pain passes.
-
Ascend until your ears are comfortable.
-
Pinch your nose and gently blow. Wiggle your jaw. Try swallowing.
-
Signal your buddy that something is wrong.
-
Stop your dive and plan for diving on another day.
Pregunta 9
Pregunta
SCUBA diving's MOST important rule is
Pregunta 10
Pregunta
Check all situations that will make your air last longer.
Respuesta
-
Fin quickly while swimming against the current.
-
Breathe slow, steady breaths.
-
Choose deeper dives.
-
Stream line your equipment, use proper weighting, and perfect your buoyancy skills.
Pregunta 11
Pregunta
Find the true statement about buoyancy.
Respuesta
-
If an object weighs less than the water it displaces, it is neutrally buoyant.
-
If an object weighs less than the water it displaces, it is positively buoyant.
-
If an object weighs the same as the water it displaces, it is negatively buoyant.
-
If an object weighs more than the water it displaces, it is exponentially buoyant.
Pregunta 12
Pregunta
The buddy system is partnering up with another diver or a group of divers to plan dives, assist each other with gear, manage safety concerns, and have fun together.