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Author Question: Vacuum pumps are rated by: A) Blank-off pressure. B) CFM capacity and blank-off pressure. C) ... (Read 210 times)

fasfsadfdsfa

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on: Jul 24, 2018
Vacuum pumps are rated by:
 
  A) Blank-off pressure. B) CFM capacity and blank-off pressure.
  C) Inches of mercury vacuum. D) CFM capacity.

Question 2

Assuming that atmospheric pressure is 29.92 in Hg, which of the following measures is a perfect vacuum?
 
  A) 0 in Hg vacuum B) 29.92 in Hg vacuum
  C) 9.92 in Hg vacuum D) 20 in Hg vacuum


joewallace

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

B

Answer to Question 2

B


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fasfsadfdsfa

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Reply #2 on: Jul 24, 2018
Thanks


joewallace

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


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