« previous next »

Author Question: What is the airflow in CFM through a 10 inch by 20 inch duct with a total pressure of 0.15 inches wc ... (Read 67 times)

leilurhhh

  • Hero Member
  • *****
  • Posts: 560
on: Jul 26, 2018
What is the airflow in CFM through a 10 inch by 20 inch duct with a total pressure of 0.15 inches wc and a static pressure of 0.1 inches wc?
 
  What will be an ideal response?

Question 2

How does a flowhood measure airflow?
 
  What will be an ideal response?


1_Step_At_ATime

  • Sr. Member
  • ****
  • Posts: 342
Reply #1 on: Jul 26, 2018
Answer to Question 1

0.15  0.1 = 0.05 inches wc velocity pressure
4005 x 0.05 = 896 CFM

Answer to Question 2

It measures the velocity though the known area of the flowhood and displays the airflow in CFM.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

The familiar sounds of your heart are made by the heart's valves as they open and close.

Did you know?

Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.

Did you know?

Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.

Did you know?

The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.

Did you know?

About 600,000 particles of skin are shed every hour by each human. If you live to age 70 years, you have shed 105 pounds of dead skin.

The oil pressure switch is connected to a warning lamp that alerts the driver of low oil pressure. The oil pressure switch is connected to a warning lamp that alerts the driver of low oil pressure.
Pressure Zones Drive Winds Pressure Zones Drive Winds
Leg pull. Grasp both feet behind the heels, and gently pull legs straight toward you several inches ... Leg pull. Grasp both feet behind the heels, and gently pull legs straight toward you several inches ...
Agricultural Land as a Fraction of Total Wealth in the United Kingdom Agricultural Land as a Fraction of Total Wealth in the United Kingdom
At 34.5°C, oxygen gas expands from 34.5 L to 45.7 L against a constant pressure of 750 mmHg. ... At 34.5°C, oxygen gas expands from 34.5 L to 45.7 L against a constant pressure of 750 mmHg. ...
Physics - Density, Pressure, and Pascal's Principle Physics - Density, Pressure, and Pascal's Principle
Video: X chromosome inactivation in calico cats

For a complete list of videos, visit our video library