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

Author Question: How is the Annual Fuel Utilization Efficiency (AFUE) efficiency rating determined? A) By using ... (Read 149 times)

Pineapplelove6

  • Hero Member
  • *****
  • Posts: 560
on: Jul 24, 2018
How is the Annual Fuel Utilization Efficiency (AFUE) efficiency rating determined?
 
  A) By using the NIST equation for 100 percent efficiency
  B) By multiplying the amount of combustion air with BTU output
  C) By comparing new furnace units to the efficiency of older models
  D) By using the NIST equation for 100 percent efficiency minus losses

Question 2

The two main types of fan drives are:
 
  A) Magnetic drive and hydrodrive. B) Serpentine belt and chain drive.
  C) Direct drive and belt drive. D) Planetary gear drive and worm gear drive.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

ntsoane kedibone

  • Sr. Member
  • ****
  • Posts: 333
Reply #1 on: Jul 24, 2018
Answer to Question 1

D

Answer to Question 2

C


Pineapplelove6

  • Hero Member
  • *****
  • Posts: 560
Reply #2 on: Jul 24, 2018
TY


ntsoane kedibone

  • Sr. Member
  • ****
  • Posts: 333
Reply #3 on: Jul 24, 2018
You're welcome


« previous next »
 

Did you know?

The shortest mature adult human of whom there is independent evidence was Gul Mohammed in India. In 1990, he was measured in New Delhi and stood 22.5 inches tall.

Did you know?

Never take aspirin without food because it is likely to irritate your stomach. Never give aspirin to children under age 12. Overdoses of aspirin have the potential to cause deafness.

Did you know?

The first war in which wide-scale use of anesthetics occurred was the Civil War, and 80% of all wounds were in the extremities.

Did you know?

Stroke kills people from all ethnic backgrounds, but the people at highest risk for fatal strokes are: black men, black women, Asian men, white men, and white women.

Did you know?

Though “Krazy Glue” or “Super Glue” has the ability to seal small wounds, it is not recommended for this purpose since it contains many substances that should not enter the body through the skin, and may be harmful.

Annual Federal Deficit (or Surplus), 1992–2016 Annual Federal Deficit (or Surplus), 1992–2016
Many gasoline service stations have signs posted warning customers to place plastic fuel containers ... Many gasoline service stations have signs posted warning customers to place plastic fuel containers ...
Cross section of a typical port fuel-injection nozzle assembly. These injectors are serviced as an ... Cross section of a typical port fuel-injection nozzle assembly. These injectors are serviced as an ...
Fuel should be heard returning to the fuel tank at the fuel return line if the fuel-pump and ... Fuel should be heard returning to the fuel tank at the fuel return line if the fuel-pump and ...
Enriched uranium is used as fuel in nuclear reactors Enriched uranium is used as fuel in nuclear reactors
Emissions from fossil fuel burning Emissions from fossil fuel burning
Video: Glucose anabolism reactions: Glycogenolysis and Gluconeogenesis

For a complete list of videos, visit our video library