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Author Question: A difference between a straight heat-cool thermostat and a heat pump thermostat is that: A) Y and ... (Read 112 times)

melly21297

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on: Jul 24, 2018
A difference between a straight heat-cool thermostat and a heat pump thermostat is that:
 
  A) Y and W swap functions.
  B) Y is energized in both heating and cooling.
  C) Y is energized in heating instead of cooling.
  D) Heat pump thermostats do not energize the fan in the heating cycle.

Question 2

If a modern home is built too tightly, the air change rate per hour is reduced. What should be done to increase ventilation to safe levels?
 
  A) Open the ground floor windows.
  B) Increase the blower fan speed.
  C) Use a mechanical ventilation system to bring in fresh air.
  D) Reduce the insulation in the home.


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phuda

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

B

Answer to Question 2

C


melly21297

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Reply 2 on: Jul 24, 2018
Gracias!

mohan

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Reply 3 on: Yesterday
Excellent

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