Chapter 5: Diving Physics

27 Questions

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Diving Quizzes & Trivia

SSI Divecon course dead scientist chapter


Questions and Answers
  • 1. 
    Water is denser than air.
    • A. 

      True

    • B. 

      False

  • 2. 
    A cubic foot of salt water weighs ___ pounds
  • 3. 
    A cubic foot of fresh water weighs ___ pounds
  • 4. 
    One atmosphere is ___ feet.
  • 5. 
    • A. 

      Heat / temperature

    • B. 

      Cold / sound

    • C. 

      Temperature / heat

    • D. 

      Energy / light

  • 6. 
    Water absorbs heat ____ times faster than air.
  • 7. 
    The "pulling away" of heat in cold water is a property of heat energy transmission known as:
    • A. 

      Conduction

    • B. 

      Convection

    • C. 

      Radiation

    • D. 

      Microwave

  • 8. 
    Atmospheric pressure at One Atomsophere = _____ PSI.
  • 9. 
    The sum of atmospheric pressure and hydrostatic pressure is:
    • A. 

      Gauge pressure

    • B. 

      Absolute pressure

    • C. 

      Sum pressure

    • D. 

      Under pressure

    • E. 

      Ambient pressure

  • 10. 
    The pressur surrounding you, whether you are underwater or above water is:
    • A. 

      Absolute pressure

    • B. 

      Gauge pressure

    • C. 

      Under pressure

    • D. 

      Partial pressure

    • E. 

      Ambient pressure

  • 11. 
    At a given pressure, the pressure of a single gas within a mixture of gases is.
    • A. 

      Ambient pressure

    • B. 

      Atmospheric pressure

    • C. 

      Partial pressure

    • D. 

      Absolute pressure

    • E. 

      Gauge pressure

  • 12. 
    The total pressure exerted by a mixture of gases is the sum of the pressures that would be exerted by each of the gases if it alone were present and occupied the total volume.
    • A. 

      Archimedes' Principle

    • B. 

      Dalton's Law

    • C. 

      Boyle's Law

    • D. 

      Henry's Law

    • E. 

      Charles' Law

  • 13. 
    What is the partial pressure of nitrogen at sea level? ____ PSI
  • 14. 
    • A. 

      Dalton's Law

    • B. 

      Boyle's Law

    • C. 

      Archimedes' Principle

    • D. 

      Charles' Law

    • E. 

      Henry's Law

  • 15. 
    When pressure increases, volume of the gas ______.  When pressure decreases, volume of a gas ______.
    • A. 

      Decreases / increases

    • B. 

      Increases / decreases

  • 16. 
    A gas is using 120 cubic feet at the surface.  What volume will it be at 66 feet? ____ cubic feet
  • 17. 
    For any gas at a constant pressure, the volume of the gas will vary directly with the absolute temperature.  For any gas at a constant volume, the presure of the gas will vary directly with the absolute temperature.  This is:
    • A. 

      Henry's Law

    • B. 

      Archimedes' Principle

    • C. 

      Boyle's Law

    • D. 

      Charles' Law

    • E. 

      Dalton's Law

  • 18. 
    The amount of any given gas that will dissolve in a liquid at a given temperature is a function of the partial pressure of that gas in contact with the liquid and the solubility coefficient of the gas in the particular liquid.  This is:
    • A. 

      Charles' Law

    • B. 

      Boyle's Law

    • C. 

      Dalton's Law

    • D. 

      Henry's Law

    • E. 

      Archimede's Principle

  • 19. 
    A body immersed in liquid, either wholly or partially, is buoyed up by a force equal to the weight of the liquid displaced by the body.  This is:
    • A. 

      Archimede's Principle

    • B. 

      Boyle's Law

    • C. 

      Charles' Law

    • D. 

      Dalton's Law

    • E. 

      Henry's Law

  • 20. 
    You will be less buoyant in salt water than fresh.
    • A. 

      True

    • B. 

      False

  • 21. 
    _____, which is the bending of light waves, results when light waves pass through mediums of different densities, and changing speed.
  • 22. 
    Objects appear ___% closer underwater.
  • 23. 
    Objects appear ___% larger underwater.
  • 24. 
    What color disappears first underater?
    • A. 

      Yellow

    • B. 

      Green

    • C. 

      Red

    • D. 

      Orange

  • 25. 
    Sound travels ___ times faters through water than air.
  • 26. 
    Changes in pressure will alter the volume of a gas.
    • A. 

      True

    • B. 

      False

  • 27. 
    Pressure will force a gas into solution.
    • A. 

      True

    • B. 

      False