Author Question: The resistance reading of an open heating element is: A) Infinite ohms, which would show OL on ... (Read 40 times)

beccaep · **on:** Jul 24, 2018

The resistance reading of an open heating element is:

A) Infinite ohms, which would show OL on most digital meters.
B) It is not possible to check the resistance of an open heating element.
C) 0, which would show as 0.0 to 0.1 on most digital meters.
D) A measurable resistance of approximately 12.

Question 2

How should a thermostat be connected to a system that has two transformers: one in the furnace and one in the air conditioner?

A) Wire the furnace to RC and the air conditioner to RH.
B) Tie the transformers together and leave off the R terminal.
C) Wire the furnace to RH and the air conditioner to RC.
D) Wire both transformers to the R terminal.