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 25 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
Gracias!


parshano

  • Member
  • Posts: 333
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

 

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?

One way to reduce acid reflux is to lose two or three pounds. Most people lose weight in the belly area first when they increase exercise, meaning that heartburn can be reduced quickly by this method.

Did you know?

About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.

Did you know?

You should not take more than 1,000 mg of vitamin E per day. Doses above this amount increase the risk of bleeding problems that can lead to a stroke.

Did you know?

Only one in 10 cancer deaths is caused by the primary tumor. The vast majority of cancer mortality is caused by cells breaking away from the main tumor and metastasizing to other parts of the body, such as the brain, bones, or liver.

For a complete list of videos, visit our video library