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

Author Question: What is the purpose of excess combustion air? A) Excess air improves the over-fire draft. B) ... (Read 100 times)

Destiiny22

  • Hero Member
  • *****
  • Posts: 557
on: Jul 24, 2018
What is the purpose of excess combustion air?
 
  A) Excess air improves the over-fire draft.
  B) Excess air is added to increase the combustion temperature.
  C) Excess air is added to improve combustion efficiency.
  D) Excess air is added to ensure complete combustion.

Question 2

Which class of manufactured duct has the lowest flame spread and smoke developed ratings?
 
  A) Ductwork does not burn. B) Class 0
  C) Class 1 D) Class 2


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

ciecieme

  • Sr. Member
  • ****
  • Posts: 331
Reply #1 on: Jul 24, 2018
Answer to Question 1

D

Answer to Question 2

B


Destiiny22

  • Member
  • Posts: 557
Reply 2 on: Jul 24, 2018
Gracias!

flexer1n1

  • Member
  • Posts: 373
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.

Did you know?

The newest statin drug, rosuvastatin, has been called a superstatin because it appears to reduce LDL cholesterol to a greater degree than the other approved statin drugs.

Did you know?

About 3.2 billion people, nearly half the world population, are at risk for malaria. In 2015, there are about 214 million malaria cases and an estimated 438,000 malaria deaths.

Did you know?

To prove that stomach ulcers were caused by bacteria and not by stress, a researcher consumed an entire laboratory beaker full of bacterial culture. After this, he did indeed develop stomach ulcers, and won the Nobel Prize for his discovery.

Did you know?

Astigmatism is the most common vision problem. It may accompany nearsightedness or farsightedness. It is usually caused by an irregularly shaped cornea, but sometimes it is the result of an irregularly shaped lens. Either type can be corrected by eyeglasses, contact lenses, or refractive surgery.

Lymphatic vessels pick up excess tissue fluid, purify it in the lymph nodes, and then return it to t Lymphatic vessels pick up excess tissue fluid, purify it in the lymph nodes, and then return it to t
Tornado and Fire Tornado and Fire
If a fire were to occur, follow the evacuation plan. If a fire were to occur, follow the evacuation plan.
Special Purpose Checks Special Purpose Checks
Forest Fire Management Forest Fire Management
The oceans have absorbed 90% of excess energy The oceans have absorbed 90% of excess energy
Video: Protein Structure - Primary, Secondary, Tertiary and Quaternary

For a complete list of videos, visit our video library