A compressor that takes suction at a pressure below atmospheric and discharge against atmospheric pressure is called a ____________ pump?
Correct answer: C. Vacuum
- A. Sump
- B. Volute
- C. Vacuum
- D. Submerged
Explanation
A vacuum pump draws gas from a pressure below atmospheric and discharges it at or near atmospheric pressure. Sump, volute, and submerged describe pump arrangements or components, not this pressure function.
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