When brazing on a refrigeration line with an attached service ...

[TFauchery]

When brazing on a refrigeration line with an attached service valve:
 
  A) The valve should be cut out of the system prior to brazing to avoid overheating.
  B) The joint should be heated quickly to avoid overheating the valve.
  C) The line should be attached with quick-setting cement instead of brazed.
  D) The joint should be heated slowly to prevent overheating the valve.

Question 2

What is the purpose of TEV sensing bulbs with a limited, or gas charge?
 
  A) Gas-charged bulbs regulate better with systems experiencing liquid line flash gas.
  B) They save on installation cost by reducing the amount of charge in the TEV bulb.
  C) They reduce the amount of refrigerant in the system because of the limited charge.
  D) They produce a maximum operating pressure at high operating superheat.

[C.mcnichol98]

Answer to Question 1

B

Answer to Question 2

D

[TFauchery]

Thank you!

[C.mcnichol98]

Always glad to help...