What should the net stack temperature be on a category I gas ...

[Zulu123]

What should the net stack temperature be on a category I gas furnace?
 
  A) 350F to 475F B) 200F and higher C) 500F to 675F D) 150F to 325F

Question 2

On mini-split systems both refrigerant lines must be insulated because they are both:
 
  A) Low pressure and low temperature in the heating mode.
  B) Low pressure and low temperature in the cooling mode.
  C) Low pressure and high temperature in the cooling mode.
  D) Low pressure and low temperature in the heating and cooling mode.

[jaykayy05]

Answer to Question 1

A

Answer to Question 2

B

[Zulu123]

Thanks for the timely response, appreciate it

[kishoreddi]

Wow, this really help