Which of the following factors tends to increase scale formation on the saltwater side of a heat exchanger used in a diesel engine cooling water system?

A、Baffleplatesthathavebeenbentduringpriorremoval.;
B、Leaksinthecoolertubenest.;
C、Operatingtheenginewhilemaintainingaliighseawateroutlettemperature.;
D、Apuncturedseawaterstrainersupplyingcoolingwatertotheheatexchanger.