To avoid being injured by a catastrophic regulator failure, when ...

[khang]

To avoid being injured by a catastrophic regulator failure, when cracking open the oxygen cylinder you should stand:
 
  A) In front of the valve on the same side of the T handle.
  B) Directly in front of the T handle so you can turn it off quickly.
  C) Behind the valve by the T handle.
  D) Behind the valve on the opposite side of the T handle.

Question 2

A biflow expansion valve:
 
  A) Is designed to allow refrigerant flow in both directions.
  B) Can be used with two different refrigerants.
  C) Has both a low flow and a high flow setting.
  D) Provides flow out of two ports simultaneously, eliminating the need for a refrigerant distributor.

[mfedorka]

Answer to Question 1

D

Answer to Question 2

A

[khang]

Excellent

[strudel15]

Gracias!