单选题If the jacket water temperature of an operating diesel engine suddenly rises above normal, the cause can be attributed to （）.Aan overfilled expansion tankBexcess chromate treatment of the jacket waterCa clogged raw water sea suctionDcavitation erosion of the heat exchanger tubes
单选题
If the jacket water temperature of an operating diesel engine suddenly rises above normal, the cause can be attributed to （）.
A
an overfilled expansion tank
B
excess chromate treatment of the jacket water
C
a clogged raw water sea suction
D
cavitation erosion of the heat exchanger tubes
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