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Author Question: What are the two most common types of vacuum pumps? What will be an ideal ... (Read 37 times)

crobinson2013

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on: Jul 26, 2018
What are the two most common types of vacuum pumps?
 
  What will be an ideal response?

Question 2

When were recovery units required to be tested by a third party to prove they perform to EPA specifications?
 
  What will be an ideal response?


pikon

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

Rolling piston and rotary vane

Answer to Question 2

November 15, 1993


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