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Author Question: The major safety concern with R-410A compared to most other common refrigerants is that: A) ... (Read 111 times)

anshika

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on: Jul 24, 2018
The major safety concern with R-410A compared to most other common refrigerants is that:
 
  A) R-410A is flammable. B) R-410A operates at much higher pressures.
  C) R-410A is toxic. D) R-410A is chemically unstable.

Question 2

Why are face shields worn during arc welding?
 
  A) Face shields are not necessary when arc welding.
  B) To magnify the work area and make it easier to see
  C) To protect technicians from strong ultraviolet (UV) light
  D) To keep the technician from breathing in harmful fumes


ciecieme

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Reply #1 on: Jul 24, 2018
Answer to Question 1

B

Answer to Question 2

C


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