« previous next »

Author Question: What is the difference in operating characteristics between centrifugal fans with forward curved ... (Read 37 times)

RODY.ELKHALIL

  • Hero Member
  • *****
  • Posts: 591
on: Jul 26, 2018
What is the difference in operating characteristics between centrifugal fans with forward curved blades and centrifugal fans with backward curved blades?
 
  What will be an ideal response?

Question 2

What is the most common fan used in residential air conditioning?
 
  What will be an ideal response?


rosiehomeworddo

  • Sr. Member
  • ****
  • Posts: 306
Reply #1 on: Jul 26, 2018
Answer to Question 1

Air offers more resistance to the forward motion of forward curved blades. They turn slower and make less noise than backward curved blades. Backward curved blades are more efficient, but turn faster and make more noise.

Answer to Question 2

Forward curved centrifugal fans.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

The term bacteria was devised in the 19th century by German biologist Ferdinand Cohn. He based it on the Greek word "bakterion" meaning a small rod or staff. Cohn is considered to be the father of modern bacteriology.

Did you know?

The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.

Did you know?

Patients should never assume they are being given the appropriate drugs. They should make sure they know which drugs are being prescribed, and always double-check that the drugs received match the prescription.

Did you know?

As many as 28% of hospitalized patients requiring mechanical ventilators to help them breathe (for more than 48 hours) will develop ventilator-associated pneumonia. Current therapy involves intravenous antibiotics, but new antibiotics that can be inhaled (and more directly treat the infection) are being developed.

Did you know?

On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.

Difference between.... Difference between....
Types and characteristics of stem cells for culture Types and characteristics of stem cells for culture
Hormones and secondary sex characteristics Hormones and secondary sex characteristics
Common Characteristics of the Inheritance of Autosomal Common Characteristics of the Inheritance of Autosomal
Common Characteristics of the Inheritance of Autosomal Recessive Traits Seen in Pedigrees Common Characteristics of the Inheritance of Autosomal Recessive Traits Seen in Pedigrees
General strategies of forward and reverse genetics General strategies of forward and reverse genetics
Video: Barriers - eye structures, digestive mucosa, respiratory mucosa & genitourinary mucosa

For a complete list of videos, visit our video library