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

Author Question: Which of the following is not part of the operating sequence of a natural-draft furnace? a. The ... (Read 30 times)

leilurhhh

  • Hero Member
  • *****
  • Posts: 560
Which of the following is not part of the operating sequence of a natural-draft furnace?
 
  a. The draft inducer starts on a call for heat.
  b. The controls prove that the pilot is lit.
  c. The gas valve energizes and opens.
  d. The fan switch starts the blower.

Question 2

What occurs after the pilot flame is proven on a gas furnace or boiler that uses spark ignition to light the
  pilot?
 
  a. Sparking ceases
  b. Burners light
  c. Inducer starts
  d. Flame is sensed



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

debra928

  • Sr. Member
  • ****
  • Posts: 342
Answer to Question 1

a

Answer to Question 2

a




leilurhhh

  • Member
  • Posts: 560
Reply 2 on: Jul 24, 2018
Thanks for the timely response, appreciate it


JaynaD87

  • Member
  • Posts: 368
Reply 3 on: Yesterday
Wow, this really help

 

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?

Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.

Did you know?

Your skin wrinkles if you stay in the bathtub a long time because the outermost layer of skin (which consists of dead keratin) swells when it absorbs water. It is tightly attached to the skin below it, so it compensates for the increased area by wrinkling. This happens to the hands and feet because they have the thickest layer of dead keratin cells.

Did you know?

Patients who cannot swallow may receive nutrition via a parenteral route—usually, a catheter is inserted through the chest into a large vein going into the heart.

Did you know?

In the ancient and medieval periods, dysentery killed about ? of all babies before they reach 12 months of age. The disease was transferred through contaminated drinking water, because there was no way to adequately dispose of sewage, which contaminated the water.

For a complete list of videos, visit our video library