Practice Differential Mobility Analyzer (3.2) - Introduction to Source Apportionment and Chemical Composition

Practice: Differential Mobility Analyzer

Lesson 3.2Introduction to Source Apportionment and Chemical Composition

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11 questions

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6 sample questions

Question 1.
What does DMA stand for?
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Think about particle analysis tools.
Question 2.
What is the purpose of the CPC?
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It helps in measuring very small particles.
3Question 3.
What is the function of a Differential Mobility Analyzer?
- To measure temperature of aerosols
- To classify particles based on their size
- To count the total number of particles
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Consider how the sense of size plays a role in DMAs.
4Question 4.
True or False: The aerodynamic diameter and scattering diameter are always the same.
- True
- False
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Think about what each diameter measures specifically.
Question 5.
Explain how a Differential Mobility Analyzer could change air quality assessments in urban planning.
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Consider how accurate data can lead to better decision-making.
Question 6.
Design a small experimental approach using both DMA and CPC to analyze air quality in a busy city junction. Detail your methodology.
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Think about capturing data over varying periods to grasp fluctuation trends.

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