PHYSICS & PRESSURE BLOCK 9

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Author:
carLORENZ0
ID:
255364
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PHYSICS & PRESSURE BLOCK 9
Updated:
2014-01-06 12:50:19
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  1. What has a definite shape & definite volume?
    Soilds
  2. What has no shape & a define volume?
    Liquids
  3. What has infinite volume & no shape?
    Gases
  4. _____ & ______ are both fluids, due to them assuming the shape of the containers in which they are placed.
    Gases & Liquids
  5. Sea Level PSI
    14.69 PSI
  6. As an object increases in altitude, PSI to it  _________.
    decreases.
  7. PSI decreases 1 PSI every _, _ _ _ ft.
    2,343 ft <<<< higher you go less psi.
  8. Gases are compressible, then liquids are?
    Liquids are considered incompressible.
  9. an area containing pressure below atmospheric pressure.
    Vacuum
  10. What is the reason why a container that has less pressure inside than outside?
    Negative Pressure (Vacuum) : Result the can will crumple.
  11. What objects apply pressure in ONE DIRECTION?
    Soilds
  12. What applies pressure in a downward & outward direction?
    Liquids
  13. What applies pressure in ALL directions?
    Gases
  14. + Measures atmospheric & applied pressure.
    PSIA ( Psi Absolute )
  15. +Has “0” fixed at atmospheric pressure
    +Tire Pressure Gauge
    +Measures specifically applied
    PSIG (Psi Gauge)
  16. Pressure difference between two areas
    PSID (Psi Differential)
  17. This is often used for atmospheric pressure
    Symbol: Hg
    1 inch of mercury= .49psi
    Inches of Mercury: good conductor
  18. Used for accurate readings of low pressure
    Symbol is H2O
    Inches of Water

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