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Author Question: What is the normal pressure range for compound pressure gauges made for use on R-410a systems? A) ... (Read 99 times)

NguyenJ

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on: Jul 26, 2018
What is the normal pressure range for compound pressure gauges made for use on R-410a systems?
 
  A) 0 - 30 Hg vacuum and 0 - 120 psig pressure B) 0 - 500 psig pressure
  C) 0 - 30 Hg vacuum and 0 - 350 psig pressure D) 0 - 800 psig pressure

Question 2

Since a typical GTAW procedure uses no flux, it is usually not necessary to _____.
 
  a. perform postweld cleaning
  b. use a filler metal
  c. wear welding gloves
  d. ventilate the work area


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janeli1

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Reply #1 on: Jul 26, 2018
Answer to Question 1

C

Answer to Question 2

a


NguyenJ

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Reply #2 on: Jul 26, 2018
TY


janeli1

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Reply #3 on: Jul 26, 2018
You're welcome


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