What is the purpose of checking the supply voltage after starting the system?
A) To determine which power leg is positive and which is negative
B) To verify that the supplied voltage is within the manufacturer's specifications
C) To determine the voltage drop in the wire
D) To determine the refrigeration coefficient of performance crop
Question 2
Compared to air heating systems, hydronic heating systems:
A) Automatically add humidity as well as heat. B) Can be more easily used for air conditioning.
C) Are normally more expensive to install. D) Are normally less expensive to install.