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

[bucstennis@aim.com]

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

[Chocorrol77]

Answer to Question 1

A

Answer to Question 2

D

[bucstennis@aim.com]

Thanks for the timely response, appreciate it

[diana chang]

Gracias!