This topic contains a solution. Click here to go to the answer

Author Question: Per NFPA 90A , fiberglass duct may be used in systems that operate with a maximum temperature of ... (Read 60 times)

Garrulous

  • Hero Member
  • *****
  • Posts: 686
Per NFPA 90A , fiberglass duct may be used in systems that operate with a maximum temperature of _____.
 
  a. 100F
  b. 150F
  c. 200F
  d. 250F

Question 2

A carburizing/reducing flame has a white feather created by excess _____.
 
  a. air
  b. oxygen
  c. acetylene
  d. acetone



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

stano32

  • Sr. Member
  • ****
  • Posts: 339
Answer to Question 1

d

Answer to Question 2

c




Garrulous

  • Member
  • Posts: 686
Reply 2 on: Jul 24, 2018
Thanks for the timely response, appreciate it


pangili4

  • Member
  • Posts: 346
Reply 3 on: Yesterday
Great answer, keep it coming :)

 

Did you know?

Pink eye is a term that refers to conjunctivitis, which is inflammation of the thin, clear membrane (conjunctiva) over the white part of the eye (sclera). It may be triggered by a virus, bacteria, or foreign body in the eye. Antibiotic eye drops alleviate bacterial conjunctivitis, and antihistamine allergy pills or eye drops help control allergic conjunctivitis symptoms.

Did you know?

Elderly adults are living longer, and causes of death are shifting. At the same time, autopsy rates are at or near their lowest in history.

Did you know?

More than 50% of American adults have oral herpes, which is commonly known as "cold sores" or "fever blisters." The herpes virus can be active on the skin surface without showing any signs or causing any symptoms.

Did you know?

The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.

Did you know?

HIV testing reach is still limited. An estimated 40% of people with HIV (more than 14 million) remain undiagnosed and do not know their infection status.

For a complete list of videos, visit our video library