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 66 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
YES! Correct, THANKS for helping me on my review

kalskdjl1212

  • Member
  • Posts: 353
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

All adverse reactions are commonly charted in red ink in the patient's record and usually are noted on the front of the chart. Failure to follow correct documentation procedures may result in malpractice lawsuits.

Did you know?

Asthma-like symptoms were first recorded about 3,500 years ago in Egypt. The first manuscript specifically written about asthma was in the year 1190, describing a condition characterized by sudden breathlessness. The treatments listed in this manuscript include chicken soup, herbs, and sexual abstinence.

Did you know?

Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.

Did you know?

Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.

Did you know?

Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.

Ground cover and colour such as shown here in (a) white sand Ground cover and colour such as shown here in (a) white sand
Historical timeline of regulatory acts, standards, and organizations. Historical timeline of regulatory acts, standards, and organizations.
Purse cover, from the Sutton Hoo burial ship. Purse cover, from the Sutton Hoo burial ship.
An example of a selection list used to identify symptoms. An example of a selection list used to identify symptoms.
What looks like an oil pan gasket leak can be a rocker cover gasket leak. Always look up and look ... What looks like an oil pan gasket leak can be a rocker cover gasket leak. Always look up and look ...
Key foreign policy agencies Key foreign policy agencies
Video: Homeostasis (range of body conditions, normal limits, mild stresses & severe stresses)

For a complete list of videos, visit our video library