« previous next »

Author Question: How does the induced draft blower improve furnace efficiency of a natural draft furnace? A) the ... (Read 82 times)

Sportsfan2111

  • Hero Member
  • *****
  • Posts: 585
on: Jul 26, 2018
How does the induced draft blower improve furnace efficiency of a natural draft furnace?
 
  A) the combustion gasses can be introduced into the duct system, raising the supply air temperature
  B) combustion gasses do not have to be as hot to correctly vent
  C) the induced draft motor uses less current than the natural draft motor
  D) the induced draft blower makes it possible for furnaces to use larger, more open heat exchangers

Question 2

Seal face distortion can cause _____.
 
  a. misalignment
  b. excessive leakage
  c. pitting
  d. blistering


joshbk44

  • Sr. Member
  • ****
  • Posts: 340
Reply #1 on: Jul 26, 2018
Answer to Question 1

B

Answer to Question 2

b


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

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?

Once thought to have neurofibromatosis, Joseph Merrick (also known as "the elephant man") is now, in retrospect, thought by clinical experts to have had Proteus syndrome. This endocrine disease causes continued and abnormal growth of the bones, muscles, skin, and so on and can become completely debilitating with severe deformities occurring anywhere on the body.

Did you know?

Signs and symptoms of a drug overdose include losing consciousness, fever or sweating, breathing problems, abnormal pulse, and changes in skin color.

Did you know?

Coca-Cola originally used coca leaves and caffeine from the African kola nut. It was advertised as a therapeutic agent and "pickerupper." Eventually, its formulation was changed, and the coca leaves were removed because of the effects of regulation on cocaine-related products.

Did you know?

If you could remove all of your skin, it would weigh up to 5 pounds.

A 19-foot-long blue whale skull in the collections of the Smithsonian Museum of Natural History A 19-foot-long blue whale skull in the collections of the Smithsonian Museum of Natural History
Many Natural Resources Can Be Sustained Many Natural Resources Can Be Sustained
When a Tornado Strikes: Social Organization Following a Natural Disaster When a Tornado Strikes: Social Organization Following a Natural Disaster
Risk Factors for NSAID-Induced Gastrointestinal Ulcers Risk Factors for NSAID-Induced Gastrointestinal Ulcers
Natural community in the antelope Valley Natural community in the antelope Valley
The consequences of the intensity of natural selection on allele frequency. The consequences of the intensity of natural selection on allele frequency.
Video: Genetic distance between human groups

For a complete list of videos, visit our video library