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Author Question: When reassembling a valve, handle ________ carefully to avoid nicking or damaging them. A) ... (Read 16 times)

pragya sharda

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on: Jul 24, 2018
When reassembling a valve, handle ________ carefully to avoid nicking or damaging them.
 
  A) flanges and gaskets B) seals and O-rings
  C) solenoids and electrical leads D) locks and tags

Question 2

When working in a confined space where concentrations of harmful substances are very high, why should atmosphere-supplying respirators be worn?
 
  A) To supply clean breathing air from a compressed air source
  B) To enable asphyxiation to occur in a very short time
  C) To circulate odorless, tasteless, invisible refrigerants
  D) To purify air of harmful dust, mist, metal, fumes, and vapors


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epscape

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

B

Answer to Question 2

A


pragya sharda

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Reply #2 on: Jul 24, 2018
Thanks


epscape

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Reply #3 on: Jul 24, 2018
Welcome :)


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