Which of the following is an example of a reciprocating compressor?

A) Lobe
B) Screw
C) Liquid ring
D) Double-acting piston


Answer: D
Explanation: A) Incorrect. A lobe is an example of a rotary compressor.
B) Incorrect. A screw is an example of a rotary compressor.
C) Incorrect. A liquid ring is an example of a rotary compressor.
D) Correct. A double-acting piston is an example of a reciprocating compressor.

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