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

Author Question: When installing an oil fired furnace in a confined space with a firing rate of 100,000 Btuh, what is ... (Read 96 times)

Capo

  • Hero Member
  • *****
  • Posts: 545
on: Jul 27, 2018
When installing an oil fired furnace in a confined space with a firing rate of 100,000 Btuh, what is the minimum free air opening required if the combustion air vents are directly communicating with the outside?
 
  A) 100,000 / 2,000 = 50 square inches for each grille
  B) 100,000 / 5,000 = 20 square inches for each grille
  C) 100,000 / 1,000 = 100 square inches for each grille
  D) 100,000 / 4,000 = 25 square inches for each grille

Question 2

If combustion air openings pass through horizontal ducts with 4,000 BTU input, how large should the openings measure?
 
  A) 3 inches squared B) 1 inch squared C) 4 inches squared D) 2 inches squared


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

macagn

  • Sr. Member
  • ****
  • Posts: 345
Reply #1 on: Jul 27, 2018
Answer to Question 1

B

Answer to Question 2

A


Capo

  • Hero Member
  • *****
  • Posts: 545
Reply #2 on: Jul 27, 2018
Thank you!


macagn

  • Sr. Member
  • ****
  • Posts: 345
Reply #3 on: Jul 27, 2018
Always glad to help...


« previous next »
 

Did you know?

Opium has influenced much of the world's most popular literature. The following authors were all opium users, of varying degrees: Lewis Carroll, Charles, Dickens, Arthur Conan Doyle, and Oscar Wilde.

Did you know?

Although the Roman numeral for the number 4 has always been taught to have been "IV," according to historians, the ancient Romans probably used "IIII" most of the time. This is partially backed up by the fact that early grandfather clocks displayed IIII for the number 4 instead of IV. Early clockmakers apparently thought that the IIII balanced out the VIII (used for the number 8) on the clock face and that it just looked better.

Did you know?

Critical care patients are twice as likely to receive the wrong medication. Of these errors, 20% are life-threatening, and 42% require additional life-sustaining treatments.

Did you know?

Hip fractures are the most serious consequences of osteoporosis. The incidence of hip fractures increases with each decade among patients in their 60s to patients in their 90s for both women and men of all populations. Men and women older than 80 years of age show the highest incidence of hip fractures.

Did you know?

Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.

C, A nurse can also administer the medication by setting the dose and rate with an electronic infusi C, A nurse can also administer the medication by setting the dose and rate with an electronic infusi
Rate of Growth of Brain Areas Rate of Growth of Brain Areas
How to convert units of any rate to another (Part 2) How to convert units of any rate to another (Part 2)
Fertility, Mortality, and the Net Rate of Reproduction in Sweden Fertility, Mortality, and the Net Rate of Reproduction in Sweden
Explain the myogenic autoregulation of the glomerular filtration rate Explain the myogenic autoregulation of the glomerular filtration rate
The age-adjusted rate of melanoma, a deadly form of skin cancer, from 1973 to 2000. Over that time p The age-adjusted rate of melanoma, a deadly form of skin cancer, from 1973 to 2000. Over that time p
Video: Red alga life cycle Animation

For a complete list of videos, visit our video library