If an electrical load in a split-system air conditioner is not working, the technician must determine if the problem is:
A) Chronic or acute.
B) In the line voltage or the low voltage.
C) In the load itself or in the switches that control the load.
D) Repairable or not repairable.
Question 2
Why is nitrogen used to purge the system before using the flushing solvent?
A) Nitrogen will blow open the clogs.
B) Nitrogen is more effective.
C) Nitrogen is cheaper.
D) The flush is activated by the presence of nitrogen.