Why are dynamic compressors more commonly used than positive displacement compressors?

A. They are more efficient.
B. Less energy is required.
C. They have a smaller capacity.
D. They require no maintenance.


A. Correct. Dynamic compressors are more commonly used than positive displacement compressors because they are less expensive, more efficient, have a larger capacity, and require less maintenance.
B. Incorrect. Dynamic compressors are more commonly used than positive displacement compressors because they are less expensive, more efficient, have a larger capacity, and require less maintenance.
C. Incorrect. Dynamic compressors are more commonly used than positive displacement compressors because they are less expensive, more efficient, have a larger capacity, and require less maintenance.
D. Incorrect. Dynamic compressors are more commonly used than positive displacement compressors because they are less expensive, more efficient, have a larger capacity, and require less maintenance.

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