Author Question: What is the purpose of the expansion tank? A) To provide pressure for the water system B) To ... (Read 53 times)

Mimi · **on:** Jul 24, 2018

What is the purpose of the expansion tank?

A) To provide pressure for the water system
B) To reduce the water temperature by expansion
C) To allow for water volume changes due to temperature change
D) To allow room for extra water

Question 2

An open-loop system is practical only if:

A) There is an adequate supply of water and it is of good quality.
B) A local stream or pond can be used as the water supply.
C) Local codes allow discharge of nontoxic antifreeze solutions into the water supply.
D) The secondary refrigerant loop temperature can be closely monitored.