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 75 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
Gracias!


kusterl

  • Member
  • Posts: 315
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

 

Did you know?

Methicillin-resistant Staphylococcus aureus or MRSA was discovered in 1961 in the United Kingdom. It if often referred to as a superbug. MRSA infections cause more deaths in the United States every year than AIDS.

Methicilli ...
Did you know?

During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).

Did you know?

There are 20 feet of blood vessels in each square inch of human skin.

Did you know?

Cucumber slices relieve headaches by tightening blood vessels, reducing blood flow to the area, and relieving pressure.

Did you know?

The longest a person has survived after a heart transplant is 24 years.

For a complete list of videos, visit our video library