What does the emergency heat setting do on a heat pump ...

[nummyann]

What does the emergency heat setting do on a heat pump thermostat?
 
  A) De-energizes the refrigeration circuit and operates the system on auxiliary heat
  B) Sounds an alarm whenever the temperature drops below the thermostat set point
  C) Adds auxiliary heat to the heat from the refrigeration circuit in cold weather
  D) Shuts down all system operation to prevent damage to the system components

Question 2

What is the purpose of the second line on a two-pipe oil delivery system?
 
  A) To double the amount of oil that can be delivered and increase capacity
  B) To allow smaller piping
  C) To allow two flow rates for two-stage oil burners
  D) To send the oil that was pumped but not burned back to the tank

[brbarasa]

Answer to Question 1

A

Answer to Question 2

D

[nummyann]

Both answers were spot on, thank you once again

[brbarasa]

Great! Please up vote