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

Author Question: What is the airflow through a register with a free area of 72 square inches if the air velocity is ... (Read 109 times)

Lisaclaire

  • Hero Member
  • *****
  • Posts: 569
on: Jul 26, 2018
What is the airflow through a register with a free area of 72 square inches if the air velocity is 300 feet per minute?
 
  What will be an ideal response?

Question 2

What are grains and what air property is measured in grains?
 
  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

Kingjoffery

  • Sr. Member
  • ****
  • Posts: 332
Reply #1 on: Jul 26, 2018
Answer to Question 1

72/144 = 0.5 ft2 0.5ft2 x 300 ft/min = 150 CFM

Answer to Question 2

A grain is a small measurement of weight. 7000 grains = 1 pound. Grains are used to measure the amount of water in the air. This is called the specific humidity.


Lisaclaire

  • Hero Member
  • *****
  • Posts: 569
Reply #2 on: Jul 26, 2018
TY


Kingjoffery

  • Sr. Member
  • ****
  • Posts: 332
Reply #3 on: Jul 26, 2018
You're welcome


« previous next »
 

Did you know?

Aspirin may benefit 11 different cancers, including those of the colon, pancreas, lungs, prostate, breasts, and leukemia.

Did you know?

Barbituric acid, the base material of barbiturates, was first synthesized in 1863 by Adolph von Bayer. His company later went on to synthesize aspirin for the first time, and Bayer aspirin is still a popular brand today.

Did you know?

The lipid bilayer is made of phospholipids. They are arranged in a double layer because one of their ends is attracted to water while the other is repelled by water.

Did you know?

Complications of influenza include: bacterial pneumonia, ear and sinus infections, dehydration, and worsening of chronic conditions such as asthma, congestive heart failure, or diabetes.

Did you know?

In Eastern Europe and Russia, interferon is administered intranasally in varied doses for the common cold and influenza. It is claimed that this treatment can lower the risk of infection by as much as 60–70%.

Field research on free-living primates allows primatologists to study patterns of behavior in the se Field research on free-living primates allows primatologists to study patterns of behavior in the se
Upper Airflow and Weather Forecasting Upper Airflow and Weather Forecasting
Place a towel or sheet over knee area. Use a thin barrier to protect skin from cold source. Place a towel or sheet over knee area. Use a thin barrier to protect skin from cold source.
A peice of paper has a perimeter of 100 cm and an area of 616cm^2. Find the dimensions A peice of paper has a perimeter of 100 cm and an area of 616cm^2. Find the dimensions
What is the maximum velocity (in km/s) of a photoelectron emitted from a surface whose work ... What is the maximum velocity (in km/s) of a photoelectron emitted from a surface whose work ...
Free-swimming tunicate larva Free-swimming tunicate larva
Video: Lipid digestion - mouth, stomach and small intestine

For a complete list of videos, visit our video library