ENGR 202 – Midterm Exam Questions With Correct Answers
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Course
ENGR 202
Institution
ENGR 202
ENGR 202 – Midterm Exam Questions With
Correct Answers
What are the main landmarks of environmental engineering? - answerWhen Nixon created
NEPA in 1970
The EPA
What are the 3 essentials for life? - answerair, water, food
What is EPA and when was it established? - answerEnvironmental protec...
ENGR 202 – Midterm Exam Questions With
Correct Answers
What are the main landmarks of environmental engineering? - answer✔When Nixon created
NEPA in 1970
The EPA
What are the 3 essentials for life? - answer✔air, water, food
What is EPA and when was it established? - answer✔Environmental protection agency,
established in 1970
What does the EPA do? - answer✔created research centers > documents. All documents are free
because its government run
When was environment Canada established? and what were the first things that were studied? -
answer✔Established in 1976 and they studied water ,air, soil
What are some of the most damaging human activities? - answer✔1. Agriculture - putting
chemicals into the soil imposes a negative effect
2. Deforestation - non reversible, will create a desert
3. Urbanization
How do we figure out how dangerous a chemical is? - answer✔Figure out the short term effects
(acute effects) and long term effects (weeks months years)
How do we test new products before they go on the market? - answer✔Periodic testing because
we cant test long term without waiting to see the effects
What does it mean for something to be carcinogenic? - answer✔Substance capable of causing
cancer in living tissues - cancerous
What happens if a substance is part of the list of carcinogens? - answer✔Gets treated more
strictly and separately
What was the first substance to be on the carcinogens list? - answer✔Asbestos
What is the purpose of the NEPA? - answer✔NEPA requires federal agencies to assess the
environmental effects of their proposed actions prior to making decisions.
Created by Nixon in 1970
What does CAA stand for? - answer✔Clean Air Act
What are the 6 priority air pollutants thats the CAA required the EPA to set standards for? -
answer✔PM: Particular matter
SO2: sulphuric dioxides
CO: Carbon monoxide
NO2: nitrogen oxides
O3: ground-level ozone
Lead
What were the primary and secondary standards from the CAA associated with? -
answer✔Primary: Concern about human health (stricter) Secondary: Human welfare
What does CAA enforce? - answer✔Pollutants, standards, penalties
What are particulate matter? - answer✔Particulate matter is the sum of all solid and liquid
particles in the air which are hazerdous.
What characteristics of particles in an air column matter the most? - answer✔size and number
What process causes particles to be created or emitted? - answer✔Mainly combustion
What was a major way that developing countries reduced PM? - answer✔Paving roads. Unpaved
rodes cause dust to be in the air. Part of developing a country is paving roads which cost money
and take time
What is the current standard for PM in Canada? - answer✔PM-10
What is a main source of Sulfur Dioxide? - answer✔Combustion and metal smelting due to
impurities in the metal
Where is the biggest source of oil in the world? - answer✔Azerbaijan
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