
提问人:网友l******8
发布时间:2022年4月5日 20:22
[单项选择题]
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

