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Author Question: How is the Annual Fuel Utilization Efficiency (AFUE) efficiency rating determined? A) By using ... (Read 139 times)

Pineapplelove6

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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.


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ntsoane kedibone

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Reply #1 on: Jul 24, 2018
Answer to Question 1

D

Answer to Question 2

C


Pineapplelove6

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Reply #2 on: Jul 24, 2018
TY


ntsoane kedibone

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Reply #3 on: Jul 24, 2018
You're welcome


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