Question 942 Deck General

The correct answer is D) They are gravity-fed. Centrifugal pumps aboard tankers are typically used for cargo transfer operations, which require the pumps to lift the cargo from the tank rather than being gravity-fed. This is in contrast to the statement in option D, which is incorrect. The other options are also incorrect: A) Centrifugal pumps generally require less maintenance than reciprocating pumps; B) Stripping pumps are a separate type of pump used for tank stripping, not centrifugal pumps; and C) Centrifugal pumps are typically less expensive than reciprocating pumps for cargo transfer applications on tankers.