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

Author Question: Which style of burner usually operates with a higher flue gas CO2 percentage? A) Older gun ... (Read 89 times)

audie

  • Hero Member
  • *****
  • Posts: 532
on: Jul 24, 2018
Which style of burner usually operates with a higher flue gas CO2 percentage?
 
  A) Older gun burners
  B) Flame retention burners
  C) Newer gun burners
  D) The CO2 should be around 12 percent with all oil burners.

Question 2

How is the equivalent length of a duct determined?
 
  A) Add the trunk duct length to takeoff and the branch duct length.
  B) Add the equivalent lengths of all fittings from blower to register.
  C) Add the trunk duct length to takeoff with the branch duct length and subtract the equivalent lengths of all fittings used from blower to register.
  D) Add the trunk duct length to takeoff, the branch duct length, and equivalent lengths of all fittings used from blower to register.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

fffftttt

  • Sr. Member
  • ****
  • Posts: 322
Reply #1 on: Jul 24, 2018
Answer to Question 1

B

Answer to Question 2

D


audie

  • Member
  • Posts: 532
Reply 2 on: Jul 24, 2018
Excellent

dyrone

  • Member
  • Posts: 322
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

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?

Since 1988, the CDC has reported a 99% reduction in bacterial meningitis caused by Haemophilus influenzae, due to the introduction of the vaccine against it.

Did you know?

When intravenous medications are involved in adverse drug events, their harmful effects may occur more rapidly, and be more severe than errors with oral medications. This is due to the direct administration into the bloodstream.

Did you know?

The first war in which wide-scale use of anesthetics occurred was the Civil War, and 80% of all wounds were in the extremities.

Did you know?

Certain topical medications such as clotrimazole and betamethasone are not approved for use in children younger than 12 years of age. They must be used very cautiously, as directed by a doctor, to treat any child. Children have a much greater response to topical steroid medications.

The percentage of women who have cohabited by the age of 45 for 17 countries shows that the ... The percentage of women who have cohabited by the age of 45 for 17 countries shows that the ...
Children’s interactions with older siblings may help promote an understanding of other people’s ... Children’s interactions with older siblings may help promote an understanding of other people’s ...
The Gender Pay Gap Over Time: What Percentage of Men's Income Do Women Earn? The Gender Pay Gap Over Time: What Percentage of Men's Income Do Women Earn?
Higher centers influencing autonomic function. Higher centers influencing autonomic function.
Rotary engine operates on the four-stroke cycle but uses a rotor instead of a piston and crankshaft ... Rotary engine operates on the four-stroke cycle but uses a rotor instead of a piston and crankshaft ...
Patients Older than 60 Years of Age Patients Older than 60 Years of Age
Video: Types of disease resistance: innate defenses & immunity

For a complete list of videos, visit our video library