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

Author Question: List the agencies that promote duct standards and briefly describe what they cover. What will be ... (Read 14 times)

Ebrown

  • Hero Member
  • *****
  • Posts: 567
on: Jul 26, 2018
List the agencies that promote duct standards and briefly describe what they cover.
 
  What will be an ideal response?

Question 2

Why are rounded tipped sheet metal screws used?
 
  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

debra928

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

Underwriters Laboratories produces standards for manufactured duct and duct connections

National Fire Protection Association promotes standards for installation of heating and air conditioning systems. The NFPA is primarily interested in fire safety.

SMACNA publishes standards related to duct installation.

NAIMA publishes standards for the installation of fiber ductboard and fiberglass insulation.

Air Diffusion Council publishes standards for installing flexible duct.

ACCA publishes duct design manuals and a specification for quality installation.

Answer to Question 2

To protect against accidental stripping or shorting of wires within the electrical panel.


Ebrown

  • Member
  • Posts: 567
Reply 2 on: Jul 26, 2018
Gracias!

TheNamesImani

  • Member
  • Posts: 334
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

The Food and Drug Administration has approved Risperdal, an adult antipsychotic drug, for the symptomatic treatment of irritability in children and adolescents with autism. The approval is the first for the use of a drug to treat behaviors associated with autism in children. These behaviors are included under the general heading of irritability and include aggression, deliberate self-injury, and temper tantrums.

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.

Did you know?

Carbamazepine can interfere with the results of home pregnancy tests. If you are taking carbamazepine, do not try to test for pregnancy at home.

Did you know?

Most fungi that pathogenically affect humans live in soil. If a person is not healthy, has an open wound, or is immunocompromised, a fungal infection can be very aggressive.

Did you know?

Amoebae are the simplest type of protozoans, and are characterized by a feeding and dividing trophozoite stage that moves by temporary extensions called pseudopodia or false feet.

Four main models that describe the relationship between ecosystem function and biodiversity. Four main models that describe the relationship between ecosystem function and biodiversity.
Eastern skunk cabbage, an endothermic plant, can melt its way up through spring snow cover Eastern skunk cabbage, an endothermic plant, can melt its way up through spring snow cover
Cover/Uncover Test Cover/Uncover Test
Dred Scott and his wife and children are featured on the cover of Frank Leslie’s Illustrated Newspap Dred Scott and his wife and children are featured on the cover of Frank Leslie’s Illustrated Newspap
Reptilian Brain or Instinctive Brain Promote Understanding of Human Behavior Reptilian Brain or Instinctive Brain Promote Understanding of Human Behavior
Use a rubber finger cot to cover an open wound on a finger. Use a rubber finger cot to cover an open wound on a finger.
Video: Neurosynapse Animation

For a complete list of videos, visit our video library