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Author Question: In a dual-fuel heat pump, what operates when second-stage heat calls? A) The electric heat strips ... (Read 581 times)

09madisonrousseau09

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on: Jul 24, 2018
In a dual-fuel heat pump, what operates when second-stage heat calls?
 
  A) The electric heat strips are energized to supplement the furnace.
  B) The furnace starts and the heat pump shuts off.
  C) Both the heat pump and the furnace operate.
  D) The heat pump starts and the furnace shuts off.

Question 2

When homeowners neglect to change filters, airflow is reduced to the point where the cooling coil can freeze. This can cause what critical component to fail prematurely?
 
  A) Compressor B) Blower fan C) Metering device D) Condenser fan


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laurnthompson

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

B

Answer to Question 2

A


09madisonrousseau09

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Reply 2 on: Jul 24, 2018
Excellent

adammoses97

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Reply 3 on: Yesterday
Wow, this really help

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