Before starting a diesel engine that has an engine driven lube oil pump, the engineer should （）.<br>A:open the bypass line<br>B:cut in the lube oil cooler<br>C:pressurize the lube oil system<br>D:top off the expansion tank

Before starting a diesel engine that has an engine driven lube oil pump, the engineer should （）.
A:open the bypass line
B:cut in the lube oil cooler
C:pressurize the lube oil system
D:top off the expansion tank

出自：海船船员证

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