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a)Draw the operational principle diagram for a roots-type vacuum pump. b)Describe the advantages and disadvantages of using...

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Physics

a)Draw the operational principle diagram for a roots-typevacuum pump.
b)Describe the advantages and disadvantages of using a rootspump over the more common
rotary vane pump.

Answer & Explanation Solved by verified expert
4.5 Ratings (1092 Votes)
ARoots vacuum pumps are rotary plunger type pumps where twosymmetrically shaped impellors rotate in opposite directions insidethe pump The impellors are counterrotating in such a way thatthey are near to one another and to the housing without actualcontacting In rotor positions I and II    See Answer
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