Why are centrifugal pumps used more often than positive displacement pumps?
A) They are more effective
B) They are less expensive
C) They require more space
D) They are more complex to operate
Answer: B
Explanation: A) Incorrect. Centrifugal pumps tend to be used more often than positive displacement pumps because they are less expensive, require less maintenance, require less space, and are easier to operate.
B) Correct. Centrifugal pumps tend to be used more often than positive displacement pumps because they are less expensive, require less maintenance, require less space, and are easier to operate.
C) Incorrect. Centrifugal pumps tend to be used more often than positive displacement pumps because they are less expensive, require less maintenance, require less space, and are easier to operate.
D) Incorrect. Centrifugal pumps tend to be used more often than positive displacement pumps because they are less expensive, require less maintenance, require less space, and are easier to operate.
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