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

Author Question: Which of the following is not part of the operating sequence of a natural-draft furnace? a. The ... (Read 29 times)

leilurhhh

  • Hero Member
  • *****
  • Posts: 560
on: Jul 24, 2018
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
Reply #1 on: Jul 24, 2018
Answer to Question 1

a

Answer to Question 2

a


leilurhhh

  • Member
  • Posts: 560
Reply 2 on: Jul 24, 2018
Excellent

meganmoser117

  • Member
  • Posts: 303
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.

Did you know?

The training of an anesthesiologist typically requires four years of college, 4 years of medical school, 1 year of internship, and 3 years of residency.

Did you know?

When blood is deoxygenated and flowing back to the heart through the veins, it is dark reddish-blue in color. Blood in the arteries that is oxygenated and flowing out to the body is bright red. Whereas arterial blood comes out in spurts, venous blood flows.

Did you know?

Hypertension is a silent killer because it is deadly and has no significant early symptoms. The danger from hypertension is the extra load on the heart, which can lead to hypertensive heart disease and kidney damage. This occurs without any major symptoms until the high blood pressure becomes extreme. Regular blood pressure checks are an important method of catching hypertension before it can kill you.

Did you know?

Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.

Boundaries within landscapes created by human activity (background) and natural environmental gradie Boundaries within landscapes created by human activity (background) and natural environmental gradie
Map These Genes (Part 1) Map These Genes (Part 1)
When a Tornado Strikes: Social Organization Following a Natural Disaster When a Tornado Strikes: Social Organization Following a Natural Disaster
Some drugs are still derived from natural sources Some drugs are still derived from natural sources
Some of the common structural abnormalities seen in chromosomes. (a) In a deletion, part of a chromo Some of the common structural abnormalities seen in chromosomes. (a) In a deletion, part of a chromo
Origin of replication sequence in E. coli Origin of replication sequence in E. coli
Video: Transcription - Introns and exons

For a complete list of videos, visit our video library