Question 1

According to EPA studies of human exposure to air pollutants, the indoor levels of pollutants may be two to five times higher than outdoor levels.

Accepted Answer

EPA studies have shown that indoor levels of pollutants can be higher than outdoor levels due to factors such as poor ventilation and the use of certain products that release pollutants. This can lead to negative health effects for individuals who spend a significant amount of time indoors.

Question 2

Give at least three examples of natural sources of outdoor air pollution.

Accepted Answer

The answer of Give at least three examples of natural...

Question 3

There are several ways to control the level of contaminants in indoor air, examples include source elimination or removal, proper ventilation, exposure control, and air cleaning.

Accepted Answer

This statement is true as these are common methods for controlling indoor air contaminants.

Question 4

The Environmental Protection Agency is responsible for setting standards for these six major air pollutants: carbon monoxide (CO), lead (Pb), nitrogen dioxide, ozone, sulfur dioxide, and particulate matter (PM).

Accepted Answer

The EPA is responsible for setting standards for these six major air pollutants.

Question 5

Give three examples of some common health symptoms caused by poor indoor air quality.

Accepted Answer

The answer of Give three examples of some common health...

Quiz 3: Introduction to Engineering Design

According to EPA studies of human exposure to air pollutants, the indoor levels of pollutants may be two to five times higher than outdoor levels.

Give at least three examples of natural sources of outdoor air pollution.

There are several ways to control the level of contaminants in indoor air, examples include source elimination or removal, proper ventilation, exposure control, and air cleaning.

The Environmental Protection Agency is responsible for setting standards for these six major air pollutants: carbon monoxide (CO), lead (Pb), nitrogen dioxide, ozone, sulfur dioxide, and particulate matter (PM).

Give three examples of some common health symptoms caused by poor indoor air quality.