If a technician needs to read the refrigerant pressure of a ...

[nummyann]

If a technician needs to read the refrigerant pressure of a window unit, they must:
 
  A) Use a hose that has a depressor core for the Schrader valve.
  B) Backseat crack the compressor access valve.
  C) First cut open the process stub on the compressor.
  D) Use a piercing valve.

Question 2

Compared to air-conditioning evaporator coils, commercial refrigeration coils have:
 
  A) Materials that are less brittle at low temperatures.
  B) About the same number of fins per inch.
  C) Fewer fins per inch.
  D) More fins per inch.

[kingfahad97]

Answer to Question 1

D

Answer to Question 2

C

[nummyann]

Thanks for the timely response, appreciate it

[vickybb89]

Excellent