After servicing a system using a bolt-on piercing valve, the ...

[mia]

After servicing a system using a bolt-on piercing valve, the technician should:
 
  A) Simply remove the gauges because most bolt-on valves are self-sealing.
  B) Close the bolt-on valve, remove the gauges, and put on the valve cap.
  C) Remove the bolt-on valve and quickly braze up the hole.
  D) Recover the refrigerant, remove the bolt-on valve, and replace it with a permanent valve.

Question 2

A saddle piercing valve:
 
  A) Is used to gain access to a sealed system.
  B) Is used to pierce the saddle on a manual service valve whose stem has been rounded off so the technician can still get a reading.
  C) Is the most common type of refrigeration service valve used on commercial refrigeration systems.
  D) Should be installed on all systems at the start of a service call.

[marict]

Answer to Question 1

D

Answer to Question 2

A

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Gracias!

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Excellent