HVAC BASICS:Ozone Layer Depletion Quiz:NATE CORE

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salvatorefricano
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304890
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HVAC BASICS:Ozone Layer Depletion Quiz:NATE CORE
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2015-07-07 10:29:22
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Ozone Layer Depletion Quiz
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Ozone Layer Depletion Quiz: NATE CORE
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  1. Ozone in the Earth’s stratosphere is created by UV light striking ____ molecule
    A:Carbon dioxide
    B:Nitrogen
    C:Water
    D:Oxygen
    C:Oxygen
  2. Ozone layer absorbs sun’s which of the following radiation and prevents it from falling on earth’s surface:
    A:Infrared radiation
    B:UV radiation
    C:X-rays radiation
    D:Gamma radiaition
    B:UV radiation
  3. One chlorine or bromine radical liberated has the capability to act as catalyst and breakdown ____number of ozone molecules:
    A:1,000,000
    B:100,000
    C:1000
    D:10,000
    E:100
    B:100,000
  4. Which one of the following is largest ozone depletion substation that is emitted through activities of human:
    A:Atomic Bromine
    B:Atomic chlorine
    C:Carbon monoxide
    D:Nitrous oxide
    D:Nitrous oxide
  5. Which of the following compounds have less severe effect on ozone layer:
    A:HFCs
    B:CFCs
    C:All the compounds are equally severe D:HCFCs
    A:HFCs
  6. The ozone layer is mainly found at _____  above the surface of the earth
    A:20 to 30 kms
    B:30 to 40 kms
    C:10 to 20 kms
    D:40 to 60 kms
    A:20 to 30 kms or (10 to 30 miles)
  7. The Montreal  Protocol treaty has been amended to ban CFC production after _____ in the developed countries:
    A:2000
    B:1996
    C:1995
    D:1987
    C:1995
  8. UV radiation can cause which of the following more significantly:
    A:Skin cancer
    B:Heart attack
    C:Loss of vision
    D:Nervous disorder
    A:Skin cancer
  9. Average ozone concentration in Earth’s atmosphere as a whole is only about ____ parts per million:
    A:1
    B:0.5
    C:0.8
    D:0.3
    D:0.3
  10. Which of the following is more reactive in lower atmosphere (Troposphere):
    A:HCFCs
    B:CFCs
    A:HCFCs
  11. Which of the following represents ozone gas molecule:
    A:O9
    B:O4
    C:O3
    D:O6
    C:O3
  12. Ozone layer is present in which of the following layers of earth:
    A:Mesosphere
    B:Ionosphere
    C:Stratosphere
    D:Troposphere
    C:Stratosphere

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