A pump is needed to supply fuel oil from a day tank to a diesel engine fuel injection system.
The pump must maintain a nearly constant flow rate with a minimum of discharge pressure fluctuations as system pressure varies between 200 psig and 1,900 psig.
Which one of the following types of pumps would be most suitable for this application?
A. Axial-flow centrifugal
B. Radial-flow centrifugal
C. Rotary positive displacement
D. Reciprocating positive displacement
Share your understanding of this question with the correct explanation.