This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: What is an air change? What will be an ideal response? ... (Read 29 times)

Shelles

  • Hero Member
  • *****
  • Posts: 582
on: Jul 26, 2018
What is an air change?
 
  What will be an ideal response?

Question 2

Why do commercial buildings require more air changes per hour than a residential house?
 
  What will be an ideal response?


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

momtoalll

  • Sr. Member
  • ****
  • Posts: 326
Reply #1 on: Jul 26, 2018
Answer to Question 1

An air change is replacing all the air in a building with air from outside.

Answer to Question 2

The higher air change rates are necessary due to the increased number of occupants and processes giving off carbon dioxide, water, and fumes.


Shelles

  • Hero Member
  • *****
  • Posts: 582
Reply #2 on: Jul 26, 2018
Thank you!


momtoalll

  • Sr. Member
  • ****
  • Posts: 326
Reply #3 on: Jul 26, 2018
Always glad to help...


« previous next »
 

Did you know?

Looking at the sun may not only cause headache and distort your vision temporarily, but it can also cause permanent eye damage. Any exposure to sunlight adds to the cumulative effects of ultraviolet (UV) radiation on your eyes. UV exposure has been linked to eye disorders such as macular degeneration, solar retinitis, and corneal dystrophies.

Did you know?

As many as 28% of hospitalized patients requiring mechanical ventilators to help them breathe (for more than 48 hours) will develop ventilator-associated pneumonia. Current therapy involves intravenous antibiotics, but new antibiotics that can be inhaled (and more directly treat the infection) are being developed.

Did you know?

It is believed that the Incas used anesthesia. Evidence supports the theory that shamans chewed cocoa leaves and drilled holes into the heads of patients (letting evil spirits escape), spitting into the wounds they made. The mixture of cocaine, saliva, and resin numbed the site enough to allow hours of drilling.

Did you know?

As of mid-2016, 18.2 million people were receiving advanced retroviral therapy (ART) worldwide. This represents between 43–50% of the 34–39.8 million people living with HIV.

Did you know?

Drug-induced pharmacodynamic effects manifested in older adults include drug-induced renal toxicity, which can be a major factor when these adults are experiencing other kidney problems.

Allergic response by allergens. Allergic response by allergens.
Sleep Requirements Change with Age Sleep Requirements Change with Age
Climate Change: Timescale decades to centuries Climate Change: Timescale decades to centuries
The impact of climate change is greater in some areas than in others The impact of climate change is greater in some areas than in others
The Impact of Climate Change in the world The Impact of Climate Change in the world
Experiments showing that long- or short-day plants flower in response to night length. Each horizont Experiments showing that long- or short-day plants flower in response to night length. Each horizont
Video: Non-specific disease resistance mechanisms & Skin's defense barriers

For a complete list of videos, visit our video library