【单选题】
If a crankcase explosion has occurred in a diesel engine, and the crankcase remains intact, which of following precautions should be observed?()
A . The cylinder indicator cocks should be opened
B . The sump lube oil scavenge pump should be secured immediately
C . The explosion relief valves should be manually opened
D . The crankcase should remain unopened until the engine has cooled
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根据网考网考试中心的答案统计,该试题:
14%的考友选择了A选项0%的考友选择了B选项2%的考友选择了C选项84%的考友选择了D选项