What are volatile organic compounds, and how are they emitted from a motor vehicle?
What will be an ideal response?
They are emitted from the evaporative emissions and may include benzene, acetaldehyde, formaldehyde, toluene, xylene, and 1-3-butadiene. VOCs react with sunlight to form smog and other air pollutants.
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What is the title of the drawing?
Review drawing number 523797C0A and then answer the question.
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Metal lath is required when stucco is applied on _________.
A) masonry walls. B) stud-wall assemblies. C) concrete walls. D) all of the above. E) none of the above.
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The use of pickling as a method of preserving food is only about 20 years old
Indicate whether the statement is true or false.
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What is the reason to use cylinder unloading in high pressure chillers?
What will be an ideal response?
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