Author Question: What type of antifreeze solutions may be used in ground loops? A) Any antifreeze that will extend ... (Read 102 times)

justinmsk · **on:** Jul 24, 2018

What type of antifreeze solutions may be used in ground loops?

A) Any antifreeze that will extend the freezing point down to -35F
B) Preferably ethylene glycol
C) A brightly colored antifreeze solution should be used to make it visible in ground water.
D) Low toxicity

Question 2

The first check when answering a no-heat oil furnace call should be:

A) Checking the fan switch setting.
B) Checking the output of the ignition transformer.
C) Checking the cad cell circuit.
D) Checking to see if there is oil in the tank and if the oil is clean.