The lines that run horizontally from the right side to the left ...

[cnetterville]

The lines that run horizontally from the right side to the left side of the diagram are which of the following?
 
  A) Curved lines B) Saturation curves
  C) Pressure lines D) Constant quality lines

Question 2

In a parallel compressor system, oil often does not return at the same rate to all of the compressors because:
 
  A) All the compressors do not use the same type of refrigerant oil.
  B) All the compressors do not operate for the same length of time.
  C) Only some of the compressors require oil return.
  D) Parallel compressors are normally stacked vertically, so most of the returning oil returns to the crankcase of the bottom compressor.

[bpool94]

Answer to Question 1

C

Answer to Question 2

B

[cnetterville]

Wow, this really help

[AmberC1996]

Great answer, keep it coming