Engineering – practice material
Where is the Ozone Layer? - ANS ✔✔Stratosphere
Ground level ozone is a - ANS ✔✔secondary pollutant
Smog is more common in the winter - ANS ✔✔false
PM2.5 is worse for your health than PM10 - ANS ✔✔True
2.5- organic compounds, metals
10-dust, pollen, mould
What Is needed for smog formation - ANS ✔✔warm enough temperatures
violate organic compounds
sunlight
NOx
Gasoline is the same if purchased in the summer or the winter - ANS ✔✔False
we need to avoid vapor lock in the summer months so the blend is different
The ozone layer is the primary cause of climate change - ANS ✔✔false
What helps to trap ground level ozone - ANS ✔✔temperature inversions
What is the protocol that phased out the chlorofluorocarbons that are ozone destroying chemicals - ANS
✔✔Montreal Protocol
, What is the largest contribution to the hole in the ozone layer? - ANS ✔✔Solvent learning products
Emission (answer) is the process where you have allowances that can be banked, used, or sold. It lowers
the overall cost of compliance and achieves a limit on how much can be emitted. - ANS ✔✔Emission
Trading
What is the pH value of normal rain - ANS ✔✔5.6
What are two answers are always correct for reducing all pollution - ANS ✔✔conservation and
efficiency
This answer SO2 from the coal fired flue gas before it exits stacks. - ANS ✔✔Scrubbers
In the United States where is the higher acid "rain" challenge - ANS ✔✔North East
When acidic snow mets the stream gets a rapid increase in acid water. What is that called? - ANS
✔✔acid shock
What gases are covered by the term NOx - ANS ✔✔NO2
NO
N2O
Acid mine runoff is due mostly to? - ANS ✔✔Water filtering though abandoned underground coal
mines
culm and gob banks
What are significant natural emissions sources for SO2 or NOx - ANS ✔✔microbial processes
lightning