This topic contains a solution. Click here to go to the answer

Author Question: What is the airflow through a 2 foot by 3 foot hole if the air velocity is 100 feet per minute? ... (Read 74 times)

jake

  • Hero Member
  • *****
  • Posts: 538
What is the airflow through a 2 foot by 3 foot hole if the air velocity is 100 feet per minute?
 
  A) 2  3 = 6 sq feet; 6  100 FPM = 600 CFM B) 2 + 3 = 5 sq feet; 5  100 FPM = 500 CFM
  C) 2  3 = 6 sq feet; 100 FPM / 6 = 17 CFM D) 100 CFM

Question 2

Most zone dampers in zoning systems _____.
 
  a. are powered open and spring-return closed
  b. are powered closed and spring-returned open
  c. have four distinct positions
  d. must serve more than one diffuser



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
Answer to Question 1

A

Answer to Question 2

b




jake

  • Member
  • Posts: 538
Reply 2 on: Jul 26, 2018
Great answer, keep it coming :)


Missbam101

  • Member
  • Posts: 341
Reply 3 on: Yesterday
:D TYSM

 

Did you know?

The liver is the only organ that has the ability to regenerate itself after certain types of damage. As much as 25% of the liver can be removed, and it will still regenerate back to its original shape and size. However, the liver cannot regenerate after severe damage caused by alcohol.

Did you know?

The first monoclonal antibodies were made exclusively from mouse cells. Some are now fully human, which means they are likely to be safer and may be more effective than older monoclonal antibodies.

Did you know?

Patients who have undergone chemotherapy for the treatment of cancer often complain of a lack of mental focus; memory loss; and a general diminution in abilities such as multitasking, attention span, and general mental agility.

Did you know?

The types of cancer that alpha interferons are used to treat include hairy cell leukemia, melanoma, follicular non-Hodgkin's lymphoma, and AIDS-related Kaposi's sarcoma.

Did you know?

Russia has the highest death rate from cardiovascular disease followed by the Ukraine, Romania, Hungary, and Poland.

For a complete list of videos, visit our video library