OW Scuba 1 - Under Pressure

Description

Atmospheres, Depth, Pressure, and Air Volume while SCUBA diving
Project Scuba
Quiz by Project Scuba, updated more than 1 year ago
Project Scuba
Created by Project Scuba over 10 years ago
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Resource summary

Question 1

Question
If you travel 66ft below the surface, the pressure will equal ____________________________________________ .
Answer
  • 1 atmosphere
  • 2 atmospheres
  • 3 atmospheres
  • 4 atmospheres

Question 2

Question
You take a fully inflated beach ball to 99 ft below the surface. The beach ball will appear to be
Answer
  • the same size.
  • 1/2 the size.
  • 1/3 the size.
  • 1/4 the size.

Question 3

Question
You take a fully inflated beach ball to 99 ft below the surface. The beach ball will appear to be
Answer
  • the same size.
  • 1/2 the size.
  • 1/3 the size.
  • 1/4 the size.

Question 4

Question
You take a fully inflated beach ball to 99 ft below the surface. The beach ball will appear to be
Answer
  • the same size.
  • 1/2 the size.
  • 1/3 the size.
  • 1/4 the size.

Question 5

Question
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
Answer
  • 12 liters.
  • 8 liters.
  • 6 liters.
  • 4 liters.

Question 6

Question
Select the air spaces that are affected by pressure when diving.
Answer
  • mask
  • heart
  • lungs
  • ears
  • sinuses

Question 7

Question
A squeeze is a pressure related injury that occurs when the pressure inside of an air space is greater than the outside pressure.
Answer
  • True
  • False

Question 8

Question
Check the steps you should attempt if you can not equalize.
Answer
  • 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.

Question 9

Question
SCUBA diving's MOST important rule is
Answer
  • always dive with a computer.
  • eat a healthy meal before entering the water.
  • take small sips of air.
  • never hold your breath.

Question 10

Question
Check all situations that will make your air last longer.
Answer
  • 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.

Question 11

Question
Find the true statement about buoyancy.
Answer
  • 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.

Question 12

Question
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.
Answer
  • True
  • False
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