Review Quiz: Air Quality And Environment! Hardest Trivia

76 Questions | Total Attempts: 138

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Environment Quizzes & Trivia

This exam was offered as part of A&WMA's online course, "GENAQ-100E: Environmental Practices Review Specialty Course: Air Quality" in 2008.


Questions and Answers
  • 1. 
    Air is a non-homogeneous mixture of gases, solid particles and liquids.
    • A. 

      True

    • B. 

      False

  • 2. 
    Most household cleaning products and paints contain:
    • A. 

      Metals

    • B. 

      Volatile organic compounds

    • C. 

      Carbon dioxide

    • D. 

      Nitrogen oxides

  • 3. 
    The portion of the atmosphere closest to the earth is called the:
    • A. 

      Stratosphere

    • B. 

      Ionosphere

    • C. 

      Mesosphere

    • D. 

      Troposphere

  • 4. 
    By weight how much of the air is contained in the portion of the atmosphere closest to the earth:
    • A. 

      60%

    • B. 

      75%

    • C. 

      80%

    • D. 

      95%

  • 5. 
    Which of the following is not a secondary pollutant:
    • A. 

      Nitrates

    • B. 

      Ozone

    • C. 

      SO2

    • D. 

      Sulfates

  • 6. 
    Which of the following is not a criteria pollutant:
    • A. 

      Formaldehyde

    • B. 

      Carbon monoxide

    • C. 

      Lead

    • D. 

      Total suspended particulate

    • E. 

      PM-10

  • 7. 
    Carbon monoxide has a 500 times greater affinity to hemoglobin in the blood than oxygen.
    • A. 

      True

    • B. 

      False

  • 8. 
    Most carbon monoxide deaths are caused by faulty heating systems
    • A. 

      True

    • B. 

      False

  • 9. 
    During high temperature combustion what is the predominant type of NOx that is formed:
    • A. 

      NO2

    • B. 

      N2O5

    • C. 

      NO

    • D. 

      None of the above

  • 10. 
    Generally the higher the combustion temperature the greater amount of NOx is formed.
    • A. 

      True

    • B. 

      False

  • 11. 
    High Ozone levels typically are experienced during periods of :
    • A. 

      Unstable Low Atmospheric Pressure and high temperatures

    • B. 

      Stable High Atmospheric Pressure and high temperatures

    • C. 

      Turbulent mixing in the atmosphere

    • D. 

      Inversions

  • 12. 
    What two pollutants are responsible for ozone formation in the lower atmosphere?
    • A. 

      NOx

    • B. 

      SO2

    • C. 

      CO

    • D. 

      VOC

  • 13. 
    Particulate matter is either a solid or a liquid during standard atmospheric conditions.
    • A. 

      True

    • B. 

      False

  • 14. 
    PM-10 particles have a settling time of approximately:
    • A. 

      3.6 m/hr

    • B. 

      2.0 m/hr

    • C. 

      0.4 m/hr

    • D. 

      Negligible

  • 15. 
    From lowest to highest list the following fuels in relationship to their sulfur content:a.  Bituminous coalb.  No. 2 fuel oilc.  No. 6 fuel oild.  Natural gase.  Antracite coal
    • A. 

      B, c, d, e, a

    • B. 

      D, b, c, e, a

    • C. 

      B, c, d, a, e

    • D. 

      D, b, c, a, e

  • 16. 
    What gas is most responsible for forming acidic precipitation?
    • A. 

      SO2

    • B. 

      NOx

    • C. 

      CO

    • D. 

      CO2

  • 17. 
    What is the typical pH of natural rainfall?
    • A. 

      3.5

    • B. 

      5.5

    • C. 

      6.0

    • D. 

      7.5

  • 18. 
    The smallest particle size collected at 100% efficiency in a cyclone is known as:
    • A. 

      Cut size

    • B. 

      Geometric size

    • C. 

      Aerodynamic mean size

    • D. 

      Critical size

  • 19. 
    The average velocity through a 4ft. X 5ft. diameter rectangular stack is 30 feet / sec.  What is the volume in acfm?
    • A. 

      600

    • B. 

      60

    • C. 

      3,600

    • D. 

      36,000

  • 20. 
    The exhaust from a baghouse stack has a concentration of 0.2 gr./dscf.  Given an exhaust of 10,000 scfm what is the emission rate in lbs./hr?
    • A. 

      1.0

    • B. 

      1.7

    • C. 

      3.4

    • D. 

      5.0

  • 21. 
    How many cylindrical bags, 6 inches in diameter and 25 feet long, would be needed to filter a particulate laden stream?  The total filtering surface area is 4045 square feet. 
    • A. 

      15

    • B. 

      25

    • C. 

      103

    • D. 

      150

    • E. 

      300

  • 22. 
    What are the two basic mechanisms for particulate collection in a fabric collector:
    • A. 

      Diffusion and precipitation

    • B. 

      Impaction and interception

    • C. 

      Agglomeration and diffusion

    • D. 

      Electrostatic attraction and agglomeration

  • 23. 
    The type of flow in a stack is defined by:
    • A. 

      Avagadros Number

    • B. 

      Atomic number

    • C. 

      Reynolds Number

    • D. 

      Bernoulli's Equation

  • 24. 
    A coal fired boiler is controlled by a spray dryer, a baghouse, and SCR.  Match the pollutant with the control device used:SOxNOxParticulate
    • A. 

      Particulate - baghouse SOx - spraydryer NOx - SCR

    • B. 

      Particulate - spraydryer NOx - baghouse SOx - SCR

    • C. 

      NOx - SCR SOx - spraydryer Particulate - baghouse

  • 25. 
    The above collectors are arranged in:
    • A. 

      Series

    • B. 

      Parallel