« previous next »

Author Question: How does the induced draft blower improve furnace efficiency of a natural draft furnace? A) the ... (Read 72 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?

The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.

Did you know?

Inotropic therapy does not have a role in the treatment of most heart failure patients. These drugs can make patients feel and function better but usually do not lengthen the predicted length of their lives.

Did you know?

The toxic levels for lithium carbonate are close to the therapeutic levels. Signs of toxicity include fine hand tremor, polyuria, mild thirst, nausea, general discomfort, diarrhea, vomiting, drowsiness, muscular weakness, lack of coordination, ataxia, giddiness, tinnitus, and blurred vision.

Did you know?

Approximately 15–25% of recognized pregnancies end in miscarriage. However, many miscarriages often occur before a woman even knows she is pregnant.

Did you know?

The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.

A draft horse sleeping while standing up A draft horse sleeping while standing up
Natural defenses against stomach acid Natural defenses against stomach acid
Earth scientists have devised a scheme to divide the planet’s natural history into distinct time ... Earth scientists have devised a scheme to divide the planet’s natural history into distinct time ...
Conformational Selection vs. Induced Fit Conformational Selection vs. Induced Fit
Stages of Natural Birth "مراحل الولادة الطبيعية" Stages of Natural Birth "مراحل الولادة الطبيعية"
Responses to artificial and natural selection Responses to artificial and natural selection
Video: Hormonal feedback loop components

For a complete list of videos, visit our video library