When should a technician read the SDS for a particular ...

[pane00]

When should a technician read the SDS for a particular refrigerant?
 
  A) Before using the refrigerant B) On the way to the hospital
  C) After being exposed to the refrigerant D) In the event of an emergency

Question 2

When should gauges be installed on small sealed systems?
 
  A) Monthly to ensure the charge is still correct
  B) Whenever the system is checked
  C) Routinely, at least every year
  D) Only when other diagnostic means have been exhausted

[bookworm410]

Answer to Question 1

A

Answer to Question 2

D

[pane00]

Thank you!

[bookworm410]

Always glad to help...