Author Question: In order to leak test a low-pressure chiller, the chiller pressure: A) Must be increased to a ... (Read 104 times)

bucstennis@aim.com · **on:** Jul 24, 2018

In order to leak test a low-pressure chiller, the chiller pressure:

A) Must be increased to a positive pressure less than 10 psig.
B) Should be increased by adding nitrogen.
C) Must be reduced to a safe level, under 150 psig.
D) Must be recovered and replaced with nitrogen.

Question 2

What is auxiliary heat?

A) A heating system that is not really needed
B) A separate system connected to the same ductwork
C) A heating system that operates using green alternative energy
D) Another heat source added to make up the difference between the heat pump capacity and the house load