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 28 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?

Your heart beats over 36 million times a year.

Did you know?

Historic treatments for rheumatoid arthritis have included gold salts, acupuncture, a diet consisting of apples or rhubarb, nutmeg, nettles, bee venom, bracelets made of copper, prayer, rest, tooth extractions, fasting, honey, vitamins, insulin, snow collected on Christmas, magnets, and electric convulsion therapy.

Did you know?

The average older adult in the United States takes five prescription drugs per day. Half of these drugs contain a sedative. Alcohol should therefore be avoided by most senior citizens because of the dangerous interactions between alcohol and sedatives.

Did you know?

Street names for barbiturates include reds, red devils, yellow jackets, blue heavens, Christmas trees, and rainbows. They are commonly referred to as downers.

Did you know?

A strange skin disease referred to as Morgellons has occurred in the southern United States and in California. Symptoms include slowly healing sores, joint pain, persistent fatigue, and a sensation of things crawling through the skin. Another symptom is strange-looking, threadlike extrusions coming out of the skin.

Change in Drawing Abilities from Early to Middle Childhood Drawings become more realistic as fine m Change in Drawing Abilities from Early to Middle Childhood Drawings become more realistic as fine m
Agonists, partial agonists, and antagonists: (a) An agonist results in maximum response. (b) A ... Agonists, partial agonists, and antagonists: (a) An agonist results in maximum response. (b) A ...
Change in Annual Precipitation Over Land, 1901-2010 Change in Annual Precipitation Over Land, 1901-2010
Barenboim's study show the change in children's descriptions of their peers Barenboim's study show the change in children's descriptions of their peers
(left) Urine sample from an unaffected person does not change color upon exposure to air. (right) Ur (left) Urine sample from an unaffected person does not change color upon exposure to air. (right) Ur
Epigenetic changes to DNA, such as methylation, change patterns of gene expression by activating or Epigenetic changes to DNA, such as methylation, change patterns of gene expression by activating or
Video: What are Strong & Weak Acids and How they're different?

For a complete list of videos, visit our video library