What types of systems use evaporator pressure regulators (EPR)? ...

[NguyenJ]

What types of systems use evaporator pressure regulators (EPR)?
 
  A) Systems with multiple compressors
  B) Systems with multiple evaporators
  C) Systems with multiple condensers
  D) Systems that require a constant evaporator pressure

Question 2

The solder should be melted:
 
  A) By the torch flame. B) After wrapping it around the pipe.
  C) Before applying the flame to the pipe. D) By touching it to the pipe.

[chem1s3]

Answer to Question 1

B

Answer to Question 2

D

[NguyenJ]

TYSM

[irishcancer18]

Thanks for the timely response, appreciate it