When adding zeotropes, you can throttle the refrigerant using the ...

[deesands]

When adding zeotropes, you can throttle the refrigerant using the hand valves on the gauges or add it as a:
 
  A) Gas to the suction side of the compressor.
  B) Gas to the output side of the compressor.
  C) Liquid directly to the compressor.
  D) Gas using a charging device in line with the cylinder.

Question 2

When the unit is operating, the refrigerant cylinder pressure will be:
 
  A) More than the back pressure of the condenser. B) More than the head pressure of the evaporator.
  C) Less than the head pressure of the condenser. D) Less than the back pressure of the evaporator.

[ciecieme]

Answer to Question 1

D

Answer to Question 2

C

[deesands]

Gracias!

[amandanbreshears]

Excellent